IPv4 BGP weathermap

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

• Analyzing :35870 originating AS number
• Analyzing :352408 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 127414 2 Russian Federation 17430 3 Korea, Republic of 14583 4 India 14337 5 China 12223 6 Australia 11390 7 Canada 9571 8 United Kingdom 7205 9 Brazil 7006 10 Germany 5448 11 Romania 5276 12 Japan 5138 13 Indonesia 5021 14 Mexico 4772 15 Argentina 4563 16 Bulgaria 4343 17 Ukraine 3922 18 France 3904 19 Colombia 3800 20 unkn 3622 21 Israel 3418 22 Egypt 3177 23 Hong Kong 3124 24 Poland 2728

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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 4719 AS4538 ERX-CERNET-BKB China Education and Research Network Center 4554 AS4323 TWTC - tw telecom holdings, inc. 4304 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 3685 AS4755 TATACOMM-AS TATA Communications formerly VSNL is Leading ISP 2040 AS174 COGENT Cogent/PSI 2039 AS19262 VZGNI-TRANSIT - Verizon Online LLC 1931 AS4766 KIXS-AS-KR Korea Telecom 1843 AS1785 AS-PAETEC-NET - PaeTec Communications, Inc. 1738 AS13343 SCRR-13343 - Road Runner HoldCo LLC 1712 AS8151 Uninet S.A. de C.V. 1580 AS8468 ENTANET ENTANET International Ltd 1575 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 1517 AS20115 CHARTER-NET-HKY-NC - Charter Communications 1488 AS7545 TPG-INTERNET-AP TPG Internet Pty Ltd 1426 AS6478 ATT-INTERNET3 - AT&T WorldNet Services 1339 AS17488 HATHWAY-NET-AP Hathway IP Over Cable Internet 1328 AS2386 INS-AS - AT&T Data Communications Services 1304 AS3356 LEVEL3 Level 3 Communications 1252 AS11492 CABLEONE - CABLE ONE, INC. 1250 AS8551 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbone 1225 AS17974 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia 1195 AS8452 TEDATA TEDATA 1188 AS22773 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. 1182 AS7011 FRONTIER-AND-CITIZENS - Frontier Communications of America, Inc. 1153

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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 55265 AS6939 HURRICANE - Hurricane Electric, Inc. 43539 AS174 COGENT Cogent/PSI 37416 AS3549 GBLX Global Crossing Ltd. 37162 AS9002 RETN-AS ReTN.net Autonomous System 35677 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 33015 AS3257 TINET-BACKBONE Tinet SpA 30865 AS1239 SPRINTLINK - Sprint 29352 AS2914 NTT-COMMUNICATIONS-2914 - NTT America, Inc. 28896 AS6453 GLOBEINTERNET TATA Communications 28522 AS1299 TELIANET TeliaNet Global Network 26178 AS6461 MFNX MFN - Metromedia Fiber Network 25591 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 24269 AS8359 COMSTAR COMSTAR-Direct global network 24034 AS2516 KDDI KDDI CORPORATION 22896 AS12956 TELEFONICA Telefonica Backbone Autonomous System 22476 AS4637 REACH Reach Network Border AS 21751 AS2497 IIJ Internet Initiative Japan Inc. 16185 AS209 ASN-QWEST - Qwest Communications Company, LLC 16042 AS23148 TERREMARK Terremark 15820 AS4323 TWTC - tw telecom holdings, inc. 13669 AS11164 TRANSITRAIL - National LambdaRail, LLC 13573 AS8001 NET-ACCESS-CORP - Net Access Corporation 11989 AS19151 WVFIBER-1 - WV FIBER 11560 AS3216 SOVAM-AS EDN Sovintel LLC 10849

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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 2929 AS3356 LEVEL3 Level 3 Communications 2828 AS7018 ATT-INTERNET4 - AT&T WorldNet Services 2408 AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business 2023 AS6939 HURRICANE - Hurricane Electric, Inc. 1497 AS3549 GBLX Global Crossing Ltd. 1466 AS9002 RETN-AS ReTN.net Autonomous System 1441 AS209 ASN-QWEST - Qwest Communications Company, LLC 1408 AS4323 TWTC - tw telecom holdings, inc. 1353 AS1239 SPRINTLINK - Sprint 1263 AS2828 XO-AS15 - XO Communications 888 AS8359 COMSTAR COMSTAR-Direct global network 830 AS6461 MFNX MFN - Metromedia Fiber Network 830 AS3257 TINET-BACKBONE Tinet SpA 715 AS2914 NTT-COMMUNICATIONS-2914 - NTT America, Inc. 627 AS1299 TELIANET TeliaNet Global Network 609 AS6453 GLOBEINTERNET TATA Communications 555 AS3216 SOVAM-AS EDN Sovintel LLC 526 AS8220 COLT COLT Technology Services 509 AS12389 ROSTELECOM-AS JSC Rostelecom 503 AS3320 DTAG Deutsche Telekom AG 493 AS702 AS702 Verizon Business EMEA - Commercial IP service provider in Europe 452 AS8928 INTEROUTE Interoute Communications Ltd 449 AS20485 TRANSTELECOM JSC Company TransTeleCom 432 AS3561 SAVVIS - Savvis 411