BGP Update Report Interval: 15-Mar-12 -to- 22-Mar-12 (7 days) Observation Point: BGP Peering with AS131072 TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name 1 - AS7029 81049 4.0% 44.6 -- WINDSTREAM - Windstream Communications Inc 2 - AS8402 72347 3.6% 34.1 -- CORBINA-AS OJSC "Vimpelcom" 3 - AS786 72205 3.6% 353.9 -- JANET The JNT Association 4 - AS9829 42734 2.1% 62.3 -- BSNL-NIB National Internet Backbone 5 - AS24560 32672 1.6% 32.8 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 6 - AS12479 26875 1.3% 131.7 -- UNI2-AS France Telecom Espana SA 7 - AS28683 25791 1.3% 437.1 -- BENINTELECOM 8 - AS32528 22765 1.1% 7588.3 -- ABBOTT Abbot Labs 9 - AS5800 21139 1.1% 72.1 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center 10 - AS6066 12856 0.6% 6428.0 -- VERIZON-BUSINESS-MAE-AS6066 - Verizon Business Network Services Inc. 11 - AS17974 11016 0.6% 8.8 -- TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 12 - AS26615 10992 0.6% 14.0 -- Tim Celular S.A. 13 - AS7552 10764 0.5% 9.4 -- VIETEL-AS-AP Vietel Corporation 14 - AS9583 8846 0.4% 11.7 -- SIFY-AS-IN Sify Limited 15 - AS11456 8074 0.4% 25.6 -- NUVOX - Windstream Nuvox, Inc. 16 - AS36926 7871 0.4% 3935.5 -- CKL1-ASN 17 - AS16637 7807 0.4% 56.2 -- MTNNS-AS 18 - AS38735 7705 0.4% 226.6 -- GDS-AS-VN Global Data Service Joint Stock Company 19 - AS13277 7636 0.4% 3818.0 -- HP-MS HP-MS Autonomous System 20 - AS5089 7540 0.4% 47.4 -- NTL Virgin Media Limited TOP 20 Unstable Origin AS (Updates per announced prefix) Rank ASN Upds % Upds/Pfx AS-Name 1 - AS32528 22765 1.1% 7588.3 -- ABBOTT Abbot Labs 2 - AS6066 12856 0.6% 6428.0 -- VERIZON-BUSINESS-MAE-AS6066 - Verizon Business Network Services Inc. 3 - AS36926 7871 0.4% 3935.5 -- CKL1-ASN 4 - AS13277 7636 0.4% 3818.0 -- HP-MS HP-MS Autonomous System 5 - AS26646 1983 0.1% 1983.0 -- TRAVELCLICKCORP1 - TravelCLICK Inc. 6 - AS17370 1944 0.1% 1944.0 -- MCAFEE-COM - McAfee, Inc. 7 - AS29933 3244 0.2% 1622.0 -- OFF-CAMPUS-TELECOMMUNICATIONS - Off Campus Telecommunications 8 - AS8657 1354 0.1% 1354.0 -- CPRM CPRM Autonomous System 9 - AS23266 1085 0.1% 1085.0 -- COMCAST-23266 - Comcast Cable Communications 10 - AS55665 981 0.1% 981.0 -- STMI-AS-ID PT Sampoerna Telemedia Indonesia 11 - AS8163 898 0.0% 898.0 -- METROTEL REDES S.A. 12 - AS57767 891 0.0% 891.0 -- RTTC-AS Federal State-owned Enterprise Russian Television and Radio Broadcasting Network 13 - AS16935 845 0.0% 845.0 -- KSC-NETWORKS - Kingland Systems Corp. 14 - AS13224 3912 0.2% 652.0 -- NAIROBINET 15 - AS4 4296 0.2% 576.0 -- Maria Irma Salazar 16 - AS37396 613 0.0% 613.0 -- ocean-five 17 - AS2728 2332 0.1% 583.0 -- APARTMENTCOMMUNICATIONPARTNERTSLLC - Apartment Communication Partners, LLC 18 - AS28861 516 0.0% 516.0 -- CARR-FUTURES-LONDON-AS Carr Futures Inc London 19 - AS48632 512 0.0% 512.0 -- BTS-HOLDINGS-PLC BTS Holdings PLC 20 - AS48018 512 0.0% 512.0 -- MTB-COMPUTER-SERVICES-LTD MTB Computer Services Ltd TOP 20 Unstable Prefixes Rank Prefix Upds % Origin AS -- AS Name 1 - 130.36.34.0/24 11381 0.5% AS32528 -- ABBOTT Abbot Labs 2 - 130.36.35.0/24 11381 0.5% AS32528 -- ABBOTT Abbot Labs 3 - 204.234.0.0/17 10973 0.5% AS7029 -- WINDSTREAM - Windstream Communications Inc 4 - 122.161.0.0/16 9991 0.5% AS24560 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 5 - 182.64.0.0/16 8769 0.4% AS24560 -- AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services 6 - 62.36.252.0/22 8407 0.4% AS12479 -- UNI2-AS France Telecom Espana SA 7 - 150.225.0.0/16 6430 0.3% AS6066 -- VERIZON-BUSINESS-MAE-AS6066 - Verizon Business Network Services Inc. 8 - 204.29.239.0/24 6426 0.3% AS6066 -- VERIZON-BUSINESS-MAE-AS6066 - Verizon Business Network Services Inc. 9 - 62.36.249.0/24 6306 0.3% AS12479 -- UNI2-AS France Telecom Espana SA 10 - 62.36.241.0/24 5920 0.3% AS12479 -- UNI2-AS France Telecom Espana SA 11 - 62.36.210.0/24 5651 0.3% AS12479 -- UNI2-AS France Telecom Espana SA 12 - 217.15.120.0/22 5173 0.2% AS56696 -- ASLIQUID-MPLS Liquid Telecommunications Ltd 13 - 41.223.56.0/24 3936 0.2% AS36926 -- CKL1-ASN 14 - 41.223.57.0/24 3935 0.2% AS36926 -- CKL1-ASN 15 - 194.209.13.0/24 3818 0.2% AS13277 -- HP-MS HP-MS Autonomous System 16 - 194.209.211.0/24 3818 0.2% AS13277 -- HP-MS HP-MS Autonomous System 17 - 202.153.174.0/24 3456 0.2% AS17408 -- ABOVE-AS-AP AboveNet Communications Taiwan 18 - 67.214.235.0/24 3238 0.1% AS29933 -- OFF-CAMPUS-TELECOMMUNICATIONS - Off Campus Telecommunications 19 - 194.63.9.0/24 3209 0.1% AS1273 -- CW Cable and Wireless Worldwide plc 20 - 109.124.113.0/24 2346 0.1% AS20632 -- PETERSTAR-AS OJSC MegaFon Details at http://bgpupdates.potaroo.net ------------------------------------ Copies of this report are mailed to: nanog@nanog.org eof-list@ripe.net apops@apops.net routing-wg@ripe.net afnog@afnog.org
A few people have mentioned it to me already, so...
TOP 20 Unstable Origin AS Rank ASN Upds % Upds/Pfx AS-Name [...] 3 - AS786 72205 3.6% 353.9 -- JANET The JNT Association
That hits a little close to home for a routing working group co-chair! My defence is that I do not believe it was our fault (and I'm certain it wasn't intentional on the part of our peer either). A peer of ours close to Geoff's monitoring point appeared to flap a number of its peers across the LINX's Extreme LAN. This is coincident with a renumbering that is happening on that LAN, but I've not been in touch with the peer ASN yet to see if it was connected, the log messages suggest it may have been. If you look at the second table on Geoff's page, ordered by 'updates per prefix': <http://bgpupdates.potaroo.net/instability/bgpupd.html> AS786 is clustered with a few other ASs at about 450 updates per prefix, but as we advertise 200 prefixes, that means we generated about 90,000 updates compared to 450 for peers advertising one prefix or 900 for two prefixes. Compare the pattern of updates for one of our prefixes, 128.86.0.0/16: <http://bgpupdates.potaroo.net/cgi-bin/pfx-rate-plot?prefix=128%2e86%2e0%2e0%2f16> With, for example, one of the BBC's prefixes, 132.185.0.0/16: <http://bgpupdates.potaroo.net/cgi-bin/pfx-rate-plot?prefix=132%2e185%2e0%2e0%2f16> I'll follow up with the peer next week to see what they did, I am going to guess at fat fingers, but I suppose the moral, as always, is what you see depends on where you're looking from. :-) <Cue the usual plea from people that measure this stuff for more probe locations, BGP peerings to monitoring points, etc, etc.> Cheers (defensively), Rob
participants (2)
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cidr-report@potaroo.net
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Rob Evans