Re: [sidr] Request for WG Last Call fordraft-ietf-sidr-bogons-02.txt anddraft-ietf-sidr-roa-validation-01.txt

Geoff Huston <gih@apnic.net> Tue, 02 December 2008 00:22 UTC

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From: Geoff Huston <gih@apnic.net>
To: Pradosh Mohapatra <pmohapat@cisco.com>
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Subject: Re: [sidr] Request for WG Last Call fordraft-ietf-sidr-bogons-02.txt anddraft-ietf-sidr-roa-validation-01.txt
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WG Chair Hat OFF

On 02/12/2008, at 11:05 AM, Pradosh Mohapatra (pmohapat) wrote:

> Hi Geoff,
>
> | >> 1. I have been allocated 203.10.61.0/24. I do not use it
> | today in any
> | >> public routing context. It should not appear in BGP at
> | all. I do not
> | >> give my authorization to any AS to originate a route for
> | this prefix,
> | >> or any more specific of this prefix. If I generate a BOA for
> | >> 203.10.61.0/24 then my intention of saying that any use of this
> | >> prefix in the public Internet is unauthorized is clear.
> | >
> | > If you do not give your authorization then do not issue a ROA.
> | > With the incremental deployment argument, I'm not sure who would  
> be
> | > looking at BOAs if they're not looking at ROAs.
> |
> | I'm sorry, but I cannot see any logic in that response. If I
> | do not give my authorization and I would like to inform
> | everyone else that any use of this address, or this AS is an
> | instance of a hijack then your response seems to be saying to
> | me that I should not do anything.
> | If that is what you are saying then it seems to be a totally
> | ineffectual course of action in my opinion.
>
>
> What if: when "I have been allocated 203.10.61.0/24", I issue an
> ROA for the same with my origin AS? Doesn't that automatically
> mean that all the advertisements of the prefix from another origin
> AS are automatically invalid?


No. Some folk believe that this should be the case, others believe  
that this should not be the case. Those who believe that this should  
not be the case are  proposing the BOA as a form of explicitly stating  
what is invalid without having to state what is valid.

By the way, given that you have published a ROA aithorizing your  
origin AS to advertise the prefix, I suspect that this has created  
some further vulnerabilities that a BOA would not create. What happens  
if I use this ROA you've created to hijack with your prefix by  
prepending your origin AS to my AS? Can a third party detect that this  
is a hijack of your prefix from the origination information and the  
ROA? I do not think so.


> And since I will not be generating
> any updates for this prefix, it will not appear in BGP at all!
> Doesn't that solve the problem you cited?

no - see above,.

> Are you concerned that
> some other AS would also issue an ROA for the same or a more
> specific block of the prefix? That can't be!

>
> | >> 2. I have been allocated AS 131074 as an AS number. I do
> | not use it
> | >> today in any public routing context. It should not appear
> | in BGP at
> | >> all either as an origination AS nor as a transit AS in any AS  
> path.
> | >> If I generate a BOA for AS131074 then my intention of
> | saying that any
> | >> use of this AS number in the public Internet is unauthorized is
> | >> clear.
> | >
> | > But the draft currently does not mitigate "nor as a transit AS",
> | > unless I'm missing something.  Specifically:
> | >
> | > S.5 graf 2:
> | >
> | > "If a route object has an AS origination that refers to an
> | AS number
> | > that is listed in a valid BOA, then the route object can be
> | regarded
> | > as a Bogon object, and local policies that apply to Bogon
> | AS's can be
> | > applied to the object. This holds whether or not the
> | address prefix of
> | > the route object is described by a valid ROA or not."
> | >
> | > I see nothing about "or as a transit AS" in there.
> |
> | My apologies - we are not allowed to talk about transit yet
> | as its not an agreed requirement coming out of RSPSEC. So if
> | I remove "nor as a transit AS" and sundry words then I trust
> | that the point I was making is amply clear.
>
>
> How important is the case of "AS protection" as opposed to
> "prefix" protection? Doesn't this automatically become a
> by-product of ROA level checks?
>
>

No, it does not. There are many instances of use of AS numbers what  
are not recorded in any allocation database. See the attached list for  
today's set of bogon ASs


> | >> 3. I have been allocated 203.10.60.0/22. I wish to ensure that  
> any
> | >> more specific advertisement of this prefix is unauthorized. If I
> | >> generate a BOA for 203.10.60.0/23 AND 203.10.62.0/23 then my
> | >> intention is clear.
> | >
> | > I still don't by it..  As an operator, you tell me who is
> | authorized
> | > to originate and that's the only origin AS I accept.
> | That's easier to
> | > configure in a router, requires less objects in the RPKI, and  
> makes
> | > life much simpler.
> |
> |
> | No security at all makes like enormously simpler.  At some
> | point it is
> | necessary to understand what makes a robust security
> | environemnt even
> | in a world of partial use and piecemeal adoptions and then work
> | through the issues related to operational deployment. But you appear
> | to have some other approach in mind.
>
> As others have suggested, when "I have been allocated 203.10.60.0/22",
> I issue an ROA for 203.10.60.0/22-22. That automatically means that
> there can't be any other advertisements for this prefix or its more
> specifics (unless I suballocate a more specific block and a new ROA
> gets added to the repository for that]. Is there any case that's not
> handled by doing this?
>

That's your _assumption_ of the sematics of a ROA. What reference  
material or working group draft can you cite for semantic  
interpretation of a ROA? draft-ieft-sidr-roa-validation? I don't think  
so. The point of hte BOA draft it that it challenges this assumption  
by taking the position that such route aorigination authorities are  
explicitly scoped to the authority described in the object, without  
the implicit inclusion of any other authority or denial.

AS referred to earlier, here's the list of today's bogon AS numbers,  
just in case you thought  that this is a non-problem:


AS4801	  Announced by     	AS703	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS4801	  Announced by     	AS9304	  HUTCHISON-AS-AP Hutchison Global  
Communications
AS8008	  Announced by     	AS23577	  ATM-MPLS-AS-KR Korea Telecom
AS9218	  Announced by     	AS71	  HP-INTERNET-AS Hewlett-Packard Company
AS9798	  Announced by     	AS151	  IND-NTC-AS - Hewlett-Packard Company
AS9935	  Announced by     	AS2687	  ASATTCA AT&T Global Network  
Services - AP
AS11153	  Announced by     	AS10910	  INTERNAP-BLK - Internap Network  
Services Corporation
AS11196	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS11253	  Announced by     	AS4323	  TWTC - tw telecom holdings, inc.
AS11378	  Announced by     	AS22822	  LLNW - Limelight Networks, Inc.
AS11536	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS11536	  Announced by     	AS13333	  NAUTICOM-NET - Pinnatech, Inc.
AS11600	  Announced by     	AS6461	  MFNX MFN - Metromedia Fiber Network
AS11720	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS11967	  Announced by     	AS6203	  ISDN-NET - ISDN-Net Inc.
AS12077	  Announced by     	AS13768	  PEER1 - Peer 1 Network Inc.
AS12134	  Announced by     	AS3356	  LEVEL3 Level 3 Communications
AS12185	  Announced by     	AS209	  ASN-QWEST - Qwest Communications  
Corporation
AS13317	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS13377	  Announced by     	AS3549	  GBLX Global Crossing Ltd.
AS13608	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS13746	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS13926	  Announced by     	AS5109	  AS-IDS-NET - Integrated Data  
Systems, LLC
AS13956	  Announced by     	AS3549	  GBLX Global Crossing Ltd.
AS14293	  Announced by     	AS6461	  MFNX MFN - Metromedia Fiber Network
AS14373	  Announced by     	AS6922	  TEXASAGENCYNET - State of Texas  
General Services Commission
AS14458	  Announced by     	AS1239	  SPRINTLINK - Sprint
AS14539	  Announced by     	AS6517	  RELIANCEGLOBALCOM - Reliance  
Globalcom Services, Inc
AS14548	  Announced by     	AS7385	  INTEGRATELECOM - Integra Telecom,  
Inc.
AS14568	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS14575	  Announced by     	AS2828	  XO-AS15 - XO Communications
AS14584	  Announced by     	AS10910	  INTERNAP-BLK - Internap Network  
Services Corporation
AS14606	  Announced by     	AS4323	  TWTC - tw telecom holdings, inc.
AS14715	  Announced by     	AS19024	  INTERNAP-BLK5 - Internap Network  
Services Corporation
AS14764	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS14812	  Announced by     	AS209	  ASN-QWEST - Qwest Communications  
Corporation
AS14923	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS15037	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS15053	  Announced by     	AS12180	  INTERNAP-2BLK - Internap Network  
Services Corporation
AS15115	  Announced by     	AS1239	  SPRINTLINK - Sprint
AS15115	  Announced by     	AS10912	  INTERNAP-BLK - Internap Network  
Services Corporation
AS15132	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS15211	  Announced by     	AS6395	  LVLT-6395 - Level 3  
Communications, Inc.
AS15337	  Announced by     	AS6325	  ILLINOIS-CENTURY - Illinois  
Century Network
AS16611	  Announced by     	AS3144	  PINNACLE - Pinnacle On-Line
AS16611	  Announced by     	AS12064	  ASN-CXA-HR-12064-CBS - Cox  
Communications Inc.
AS16859	  Announced by     	AS19262	  VZGNI-TRANSIT - Verizon Internet  
Services Inc.
AS16876	  Announced by     	AS4181	  TDS-AS - TDS TELECOM
AS16927	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS17144	  Announced by     	AS209	  ASN-QWEST - Qwest Communications  
Corporation
AS17144	  Announced by     	AS13791	  INTERNAP-BLK3 - Internap Network  
Services Corporation
AS17275	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS17275	  Announced by     	AS6461	  MFNX MFN - Metromedia Fiber Network
AS17275	  Announced by     	AS22773	  ASN-CXA-ALL-CCI-22773-RDC - Cox  
Communications Inc.
AS17283	  Announced by     	AS3549	  GBLX Global Crossing Ltd.
AS17300	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS17300	  Announced by     	AS1239	  SPRINTLINK - Sprint
AS17300	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS18504	  Announced by     	AS4565	  MEGAPATH2-US - MegaPath Networks  
Inc.
AS18506	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS18533	  Announced by     	AS174	  COGENT Cogent/PSI
AS18641	  Announced by     	AS209	  ASN-QWEST - Qwest Communications  
Corporation
AS18706	  Announced by     	AS3356	  LEVEL3 Level 3 Communications
AS18726	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS18726	  Announced by     	AS14742	  INTERNAP-BLOCK-4 - Internap  
Network Services Corporation
AS18860	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS18932	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS18932	  Announced by     	AS7132	  SBIS-AS - AT&T Internet Services
AS19097	  Announced by     	AS1785	  AS-PAETEC-NET - PaeTec  
Communications, Inc.
AS19097	  Announced by     	AS13407	  CTC-BGP2 - Computer Telephone Corp
AS19132	  Announced by     	AS6140	  IMPSAT-USA - ImpSat USA, Inc.
AS19243	  Announced by     	AS2686	  AT&T Global Network Services - EMEA
AS19243	  Announced by     	AS10913	  INTERNAP-BLK - Internap Network  
Services Corporation
AS19612	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS19612	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS19713	  Announced by     	AS10367	  METRO2000 - Metro2000, Inc.
AS19851	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS19981	  Announced by     	AS80	  GE-CRD - General Electric Company
AS19999	  Announced by     	AS577	  BACOM - Bell Canada
AS19999	  Announced by     	AS15290	  ALLST-15290 - Allstream Corp.  
Corporation Allstream
AS20146	  Announced by     	AS209	  ASN-QWEST - Qwest Communications  
Corporation
AS20156	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS20247	  Announced by     	AS19262	  VZGNI-TRANSIT - Verizon Internet  
Services Inc.
AS20323	  Announced by     	AS3300	  BT-INFONET-EUROPE BT-Infonet-Europe
AS20364	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS20380	  Announced by     	AS1239	  SPRINTLINK - Sprint
AS20408	  Announced by     	AS7132	  SBIS-AS - AT&T Internet Services
AS20463	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS21676	  Announced by     	AS1239	  SPRINTLINK - Sprint
AS21732	  Announced by     	AS12181	  INTERNAP-2BLK - Internap Network  
Services Corporation
AS21846	  Announced by     	AS209	  ASN-QWEST - Qwest Communications  
Corporation
AS22022	  Announced by     	AS3356	  LEVEL3 Level 3 Communications
AS22056	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS22219	  Announced by     	AS3356	  LEVEL3 Level 3 Communications
AS22219	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS22232	  Announced by     	AS2647	  SITA SITA
AS22232	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS22360	  Announced by     	AS209	  ASN-QWEST - Qwest Communications  
Corporation
AS22372	  Announced by     	AS3549	  GBLX Global Crossing Ltd.
AS22372	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS22457	  Announced by     	AS6496	  ANET - ANET Internet Solutions, Inc
AS22457	  Announced by     	AS19024	  INTERNAP-BLK5 - Internap Network  
Services Corporation
AS22492	  Announced by     	AS4323	  TWTC - tw telecom holdings, inc.
AS22586	  Announced by     	AS209	  ASN-QWEST - Qwest Communications  
Corporation
AS22721	  Announced by     	AS174	  COGENT Cogent/PSI
AS22741	  Announced by     	AS10910	  INTERNAP-BLK - Internap Network  
Services Corporation
AS22751	  Announced by     	AS22197	  APPS - Apps Communications
AS22757	  Announced by     	AS17054	  AS17054 - CONTINENTAL BROADBAND  
PENNSYLVANIA, INC.
AS22761	  Announced by     	AS7029	  WINDSTREAM - Windstream  
Communications Inc
AS22815	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS22815	  Announced by     	AS3356	  LEVEL3 Level 3 Communications
AS22846	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS22846	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS22875	  Announced by     	AS10910	  INTERNAP-BLK - Internap Network  
Services Corporation
AS22875	  Announced by     	AS13789	  INTERNAP-BLK3 - Internap Network  
Services Corporation
AS22943	  Announced by     	AS10910	  INTERNAP-BLK - Internap Network  
Services Corporation
AS23011	  Announced by     	AS12006	  EUREKANETWORKS-AS-12006 - eLink  
Communications INC.
AS23021	  Announced by     	AS209	  ASN-QWEST - Qwest Communications  
Corporation
AS23021	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS23035	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS23108	  Announced by     	AS209	  ASN-QWEST - Qwest Communications  
Corporation
AS23108	  Announced by     	AS1239	  SPRINTLINK - Sprint
AS23108	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS23247	  Announced by     	AS10910	  INTERNAP-BLK - Internap Network  
Services Corporation
AS23276	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS23276	  Announced by     	AS21548	  MTO - MTO Telecom Inc.
AS23434	  Announced by     	AS16852	  LVLT-16852 - Level 3  
Communications, Inc.
AS23448	  Announced by     	AS852	  ASN852 - Telus Advanced  
Communications
AS23448	  Announced by     	AS6327	  SHAW - Shaw Communications Inc.
AS23475	  Announced by     	AS1239	  SPRINTLINK - Sprint
AS23475	  Announced by     	AS7132	  SBIS-AS - AT&T Internet Services
AS23480	  Announced by     	AS6298	  ASN-CXA-PH-6298-CBS - Cox  
Communications Inc.
AS23491	  Announced by     	AS6395	  LVLT-6395 - Level 3  
Communications, Inc.
AS23502	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS23918	  Announced by     	AS4716	  POWEREDCOM KDDI Corporation
AS24011	  Announced by     	AS174	  COGENT Cogent/PSI
AS24012	  Announced by     	AS1239	  SPRINTLINK - Sprint
AS24012	  Announced by     	AS4862	  EQUANT-ASIA Equant AS for Asian  
Region covering Japan
AS24084	  Announced by     	AS3300	  BT-INFONET-EUROPE BT-Infonet-Europe
AS24084	  Announced by     	AS4755	  TATACOMM-AS TATA Communications  
formerly VSNL is Leading ISP
AS25639	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS25964	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS25992	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS26001	  Announced by     	AS1239	  SPRINTLINK - Sprint
AS26023	  Announced by     	AS16399	  NETWORKGCI - Globalcom
AS26051	  Announced by     	AS17229	  ATT-CERFNET-BLOCK - AT&T  
Enhanced Network Services
AS26064	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS26187	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS26396	  Announced by     	AS32703	  IFN-NET - Indiana Fiber Network,  
LLC
AS26483	  Announced by     	AS3356	  LEVEL3 Level 3 Communications
AS26515	  Announced by     	AS7795	  NTELOSINC - Ntelos Inc.
AS26539	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS26581	  Announced by     	AS1239	  SPRINTLINK - Sprint
AS26650	  Announced by     	AS3491	  BTN-ASN - Beyond The Network  
America, Inc.
AS26656	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS26656	  Announced by     	AS1239	  SPRINTLINK - Sprint
AS26690	  Announced by     	AS7132	  SBIS-AS - AT&T Internet Services
AS26883	  Announced by     	AS6337	  HIWAAY - HIWAAY INFORMATION  
SERVICES, INC.
AS26951	  Announced by     	AS14743	  INTERNAP-BLOCK-4 - Internap  
Network Services Corporation
AS26970	  Announced by     	AS209	  ASN-QWEST - Qwest Communications  
Corporation
AS26970	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS26973	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS27197	  Announced by     	AS7029	  WINDSTREAM - Windstream  
Communications Inc
AS27223	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS27243	  Announced by     	AS17054	  AS17054 - CONTINENTAL BROADBAND  
PENNSYLVANIA, INC.
AS27252	  Announced by     	AS30314	  KAN-ED - Kansas Education Network
AS27301	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS27363	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS27363	  Announced by     	AS1239	  SPRINTLINK - Sprint
AS27363	  Announced by     	AS6128	  CABLE-NET-1 - Cablevision Systems  
Corp.
AS27451	  Announced by     	AS209	  ASN-QWEST - Qwest Communications  
Corporation
AS27451	  Announced by     	AS7132	  SBIS-AS - AT&T Internet Services
AS27642	  Announced by     	AS7132	  SBIS-AS - AT&T Internet Services
AS28544	  Announced by     	AS6503	  Avantel, S.A.
AS28551	  Announced by     	AS11172	  Alestra
AS28551	  Announced by     	AS22566	  MAXCOM Telecomunicaciones SA de CV
AS29703	  Announced by     	AS852	  ASN852 - Telus Advanced  
Communications
AS29703	  Announced by     	AS6539	  GT-BELL - Bell Canada
AS29755	  Announced by     	AS7132	  SBIS-AS - AT&T Internet Services
AS29770	  Announced by     	AS209	  ASN-QWEST - Qwest Communications  
Corporation
AS29770	  Announced by     	AS1239	  SPRINTLINK - Sprint
AS29837	  Announced by     	AS3549	  GBLX Global Crossing Ltd.
AS29994	  Announced by     	AS558	  NET2EZ - Net2EZ
AS30028	  Announced by     	AS7132	  SBIS-AS - AT&T Internet Services
AS30273	  Announced by     	AS6128	  CABLE-NET-1 - Cablevision Systems  
Corp.
AS30273	  Announced by     	AS23329	  AS-OPENACCESS - Open Access Inc.
AS30419	  Announced by     	AS3356	  LEVEL3 Level 3 Communications
AS30707	  Announced by     	AS12181	  INTERNAP-2BLK - Internap Network  
Services Corporation
AS30711	  Announced by     	AS7132	  SBIS-AS - AT&T Internet Services
AS31966	  Announced by     	AS4265	  CERNET-ASN-BLOCK - California  
Education and Research Federation Network
AS31966	  Announced by     	AS4267	  CERNET-ASN-BLOCK - California  
Education and Research Federation Network
AS31966	  Announced by     	AS14743	  INTERNAP-BLOCK-4 - Internap  
Network Services Corporation
AS32057	  Announced by     	AS26554	  US-SIGNAL - US Signal Corporation
AS32108	  Announced by     	AS209	  ASN-QWEST - Qwest Communications  
Corporation
AS32108	  Announced by     	AS36607	  NETONEGROUP - NET ONE GROUP, LLC
AS32326	  Announced by     	AS3549	  GBLX Global Crossing Ltd.
AS32326	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS32434	  Announced by     	AS4323	  TWTC - tw telecom holdings, inc.
AS32458	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS32567	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS32689	  Announced by     	AS13675	  FAIRPO-3 - FAIRPOINT  
COMMUNICATIONS, INC.
AS32732	  Announced by     	AS1785	  AS-PAETEC-NET - PaeTec  
Communications, Inc.
AS32822	  Announced by     	AS209	  ASN-QWEST - Qwest Communications  
Corporation
AS32822	  Announced by     	AS3356	  LEVEL3 Level 3 Communications
AS32873	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS32873	  Announced by     	AS10912	  INTERNAP-BLK - Internap Network  
Services Corporation
AS32895	  Announced by     	AS10910	  INTERNAP-BLK - Internap Network  
Services Corporation
AS33089	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS33400	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS33445	  Announced by     	AS701	  UUNET - MCI Communications  
Services, Inc. d/b/a Verizon Business
AS33574	  Announced by     	AS209	  ASN-QWEST - Qwest Communications  
Corporation
AS33649	  Announced by     	AS7018	  ATT-INTERNET4 - AT&T WorldNet  
Services
AS38137	  Announced by     	AS17494	  BTTB-AS-AP Telecom Operator &  
Internet Service Provider as well
AS38205	  Announced by     	AS17494	  BTTB-AS-AP Telecom Operator &  
Internet Service Provider as well
AS38722	  Announced by     	AS9304	  HUTCHISON-AS-AP Hutchison Global  
Communications
AS38870	  Announced by     	AS9482	  ASN-ACON-AP Australia Connect Pty  
Ltd
AS64553	  Announced by     	AS9498	  BBIL-AP BHARTI Airtel Ltd.
AS65009	  Announced by     	AS15924	  BORUSANTELEKOM-AS Borusan  
Telekom Autonomus System
AS65031	  Announced by     	AS2588	  LATNET ISP
AS65101	  Announced by     	AS29405	  VNET-AS VNET ISP Bratislava,  
Slovakia, SK
AS65445	  Announced by     	AS27817	  Red Nacional Académica de  
Tecnología Avanzada - RENATA
AS65491	  Announced by     	AS27817	  Red Nacional Académica de  
Tecnología Avanzada - RENATA
AS65498	  Announced by     	AS27817	  Red Nacional Académica de  
Tecnología Avanzada - RENATA
AS65528	  Announced by     	AS31405	  TMD AS for T-Mobile Deutschland,  
GPRS/UMTS access and content provider

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