IPv4 BGP weathermap

Welcome to the IPv4 BGP weathermap, Below you'll find the result of the analyses of:

• Analyzing :35497 originating AS number
• Analyzing :346443 Prefixes
• Analyzing :236 Countries

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Prefixes per country

the number represent the number of unique prefixes found in the routing table

1 United States 125496 2 Russian Federation 16461 3 Korea, Republic of 14718 4 India 13921 5 China 12221 6 Australia 11290 7 Canada 10317 8 United Kingdom 6939 9 Brazil 6816 10 Germany 5468 11 Romania 5427 12 Japan 5097 13 Indonesia 4874 14 Bulgaria 4628 15 Mexico 4612 16 Argentina 4138 17 France 3962 18 Ukraine 3848 19 Colombia 3651 20 Israel 3387 21 Egypt 3239 22 Hong Kong 3112 23 Poland 2726 24 Taiwan, Province of China 2518

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Top 25 Origin AS numbers in the current routing table

This represents how many prefixes are originated by these AS numbers

Origin AS number AS description number of origin prefixes announced AS8402 CORBINA-AS Corbina Telecom 4672 AS4538 ERX-CERNET-BKB China Education and Research Network Center 4536 AS4323 TWTC - tw telecom holdings, inc. 4280 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 3716 AS174 COGENT Cogent/PSI 2043 AS4755 TATACOMM-AS TATA Communications formerly VSNL is Leading ISP 1992 AS4766 KIXS-AS-KR Korea Telecom 1958 AS19262 VZGNI-TRANSIT - Verizon Internet Services Inc. 1903 AS1785 AS-PAETEC-NET - PaeTec Communications, Inc. 1745 AS8151 Uninet S.A. de C.V. 1583 AS20115 CHARTER-NET-HKY-NC - Charter Communications 1580 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 1541 AS7545 TPG-INTERNET-AP TPG Internet Pty Ltd 1396 AS8468 ENTANET ENTANET International Ltd 1362 AS17488 HATHWAY-NET-AP Hathway IP Over Cable Internet 1316 AS6478 ATT-INTERNET3 - AT&T WorldNet Services 1299 AS2386 INS-AS - AT&T Data Communications Services 1298 AS3356 LEVEL3 Level 3 Communications 1262 AS8551 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone 1234 AS8452 TEDATA TEDATA 1199 AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. 1178 AS11492 CABLEONE - CABLE ONE, INC. 1164 AS17974 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 1131 AS7011 FRONTIER-AND-CITIZENS - Frontier Communications of America, Inc. 1130 AS18566 COVAD - Covad Communications Co. 1080

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Top 25 Transit/Upstream AS numbers in the routing table

This represents the number of distinct prefixes for which these AS's provide transit (i.e. are seen as upstream AS).

Transit/upstream AS number AS description number of prefixes AS3356 LEVEL3 Level 3 Communications 55098 AS6939 HURRICANE - Hurricane Electric, Inc. 43463 AS174 COGENT Cogent/PSI 37752 AS3549 GBLX Global Crossing Ltd. 37718 AS9002 RETN-AS ReTN.net Autonomous System 36247 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 32996 AS3257 TINET-BACKBONE Tinet SpA 30950 AS1239 SPRINTLINK - Sprint 30772 AS2914 NTT-COMMUNICATIONS-2914 - NTT America, Inc. 30293 AS6453 GLOBEINTERNET TATA Communications 29225 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 28202 AS1299 TELIANET TeliaNet Global Network 27244 AS6461 MFNX MFN - Metromedia Fiber Network 26467 AS8359 COMSTAR COMSTAR-Direct global network 24828 AS2516 KDDI KDDI CORPORATION 24239 AS12956 TELEFONICA Telefonica Backbone Autonomous System 23137 AS4637 REACH Reach Network Border AS 22822 AS2497 IIJ Internet Initiative Japan Inc. 17161 AS209 ASN-QWEST - Qwest Communications Company, LLC 16873 AS286 KPN KPN Internet Backbone 16489 AS23148 TERREMARK Terremark 15454 AS11164 TRANSITRAIL - National LambdaRail, LLC 14428 AS4323 TWTC - tw telecom holdings, inc. 13222 AS8001 NET-ACCESS-CORP - Net Access Corporation 12599 AS19151 WVFIBER-1 - WV FIBER 11083

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Top 25 Transit/Upstream AS numbers in the routing table based on OriginAS

This represents the number of distinct number of originAS's for which these AS's provide transit (i.e. are seen as upstream AS)

Transit/Upstream AS number AS description number of AS's for which this AS is providing Transit AS174 COGENT Cogent/PSI 2894 AS3356 LEVEL3 Level 3 Communications 2804 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 2406 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 2042 AS9002 RETN-AS ReTN.net Autonomous System 1477 AS6939 HURRICANE - Hurricane Electric, Inc. 1473 AS3549 GBLX Global Crossing Ltd. 1454 AS209 ASN-QWEST - Qwest Communications Company, LLC 1390 AS4323 TWTC - tw telecom holdings, inc. 1336 AS1239 SPRINTLINK - Sprint 1297 AS2828 XO-AS15 - XO Communications 870 AS8359 COMSTAR COMSTAR-Direct global network 831 AS6461 MFNX MFN - Metromedia Fiber Network 819 AS3257 TINET-BACKBONE Tinet SpA 699 AS2914 NTT-COMMUNICATIONS-2914 - NTT America, Inc. 627 AS1299 TELIANET TeliaNet Global Network 594 AS6453 GLOBEINTERNET TATA Communications 546 AS3216 SOVAM-AS EDN Sovintel LLC 520 AS8220 COLT COLT Technology Services 509 AS702 AS702 Verizon Business EMEA - Commercial IP service provider in Europe 503 AS3320 DTAG Deutsche Telekom AG 487 AS12389 ROSTELECOM-AS JSC Rostelecom 478 AS8928 INTEROUTE Interoute Communications Ltd 443 AS20485 TRANSTELECOM JSC Company TransTeleCom 420 AS3561 SAVVIS - Savvis 405