BGP Map › AS19905 › 139.104.72.0/21
BGP map for 139.104.72.0/21
139.104.72.0/21 is announced by 2 networks, mostly AS19905 Vercara, LLC and seen by 327 peers of 23 RIPE RIS collectors, over 272 different AS paths. Its busiest upstreams are AS2914 NTT America, Inc. (32%), AS3356 Level 3 Parent, LLC (24%) and AS3257 GTT-BACKBONE (23%). The most common path, used by 10 peers, is AS24482 › AS2914 › AS19905 .
Routes checked 18:20:30 UTC . This page checks again every 30 seconds while it is open.
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No change in the origin, the upstreams or the number of peers since 09:51 UTC on 27 Oct, when this site first looked at 139.104.72.0/21.
AS-path graph toward 139.104.72.0/21
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BGP map of 139.104.72.0/21 13 networks on the paths RIPE RIS collector peers use to reach 139.104.72.0/21. Best path, chosen by the most peers: AS24482 → AS2914 → AS19905. AS13030 → AS2914 · 4 routes AS14840 → AS174 · 4 routes AS174 → AS6453 · 4 routes AS6453 → AS19905 · 6 routes AS8218 → AS6461 · 4 routes AS6461 → AS3356 · 4 routes AS3356 → AS8137 · 6 routes AS9002 → AS3257 · 3 routes AS3257 → AS19905 · 8 routes AS6461 → AS6453 · 2 routes AS8137 → 139.104.72.0/21 · 6 routes AS24482 → AS2914 · 10 routes · best path AS2914 → AS19905 · 22 routes · best path AS19905 → 139.104.72.0/21 · 36 routes · best path 4 AS13030 → AS2914 · 4 routes 4 AS14840 → AS174 · 4 routes 4 AS174 → AS6453 · 4 routes 6 AS6453 → AS19905 · 6 routes 4 AS8218 → AS6461 · 4 routes 4 AS6461 → AS3356 · 4 routes 6 AS3356 → AS8137 · 6 routes 3 AS9002 → AS3257 · 3 routes 8 AS3257 → AS19905 · 8 routes 2 AS6461 → AS6453 · 2 routes 6 AS8137 → 139.104.72.0/21 · 6 routes 10 AS24482 → AS2914 · 10 routes · best path 22 AS2914 → AS19905 · 22 routes · best path 36 AS19905 → 139.104.72.0/21 · 36 routes · best path AS19905 Vercara, LLC AS19905 Vercara, LLC · origin · 36 routes · on the best path T1 AS2914 NTT America, Inc. AS2914 NTT America, Inc. · Tier 1 · 22 routes · on the best path AS24482 SG.GS AS24482 SG.GS · edge network · 10 routes · on the best path T1 AS3257 GTT-BACKBONE GTT Communications Inc. AS3257 GTT-BACKBONE GTT Communications Inc. · Tier 1 · 8 routes T1 AS6453 TATA COMMUNICATIONS (AMERICA) INC AS6453 TATA COMMUNICATIONS (AMERICA) INC · Tier 1 · 6 routes T1 AS6461 Zayo Bandwidth AS6461 Zayo Bandwidth · Tier 1 · 6 routes T1 AS3356 Level 3 Parent, LLC AS3356 Level 3 Parent, LLC · Tier 1 · 6 routes AS8137 Disney Worldwide Services, Inc. AS8137 Disney Worldwide Services, Inc. · origin · 6 routes T2 AS13030 INIT7 Init7 (Switzerland) Ltd. AS13030 INIT7 Init7 (Switzerland) Ltd. · Tier 2 · 4 routes AS14840 BR.Digital Telecom AS14840 BR.Digital Telecom · edge network · 4 routes T1 AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC · Tier 1 · 4 routes AS8218 NEO-ASN Zayo Infrastructure France SA AS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 4 routes T2 AS9002 RETN-AS RETN Limited AS9002 RETN-AS RETN Limited · Tier 2 · 3 routes 139.104.72.0/21 139.104.72.0/21
327 collector peers
23 RIS collectors
272 distinct AS paths
3.6 average AS hops, 2 to 6
Upstreams
Networks directly in front of the origin.
Network Peers Share
AS2914 NTT America, Inc. 106 32%
AS3356 Level 3 Parent, LLC 77 24%
AS3257 GTT-BACKBONE GTT Communications Inc. 74 23%
AS6453 TATA COMMUNICATIONS (AMERICA) INC 68 21%
AS7018 AT&T Enterprises, LLC 1 <1%
AS286 KPN GTT Communications Inc. 1 <1%
Transit networks
Networks between the collector peer and the origin.
Network Peers Share
AS2914 NTT America, Inc. 103 31%
AS3356 Level 3 Parent, LLC 84 26%
AS3257 GTT-BACKBONE GTT Communications Inc. 73 22%
AS6453 TATA COMMUNICATIONS (AMERICA) INC 67 20%
AS1299 TWELVE99 Arelion Sweden AB 25 8%
AS174 Cogent Communications, LLC 20 6%
AS6461 Zayo Bandwidth 10 3%
AS3320 DTAG Deutsche Telekom AG 6 2%
AS6939 Hurricane Electric LLC 6 2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A. 6 2%
AS paths
Every distinct path the collector peers use, most common first. An ASN repeated to lengthen a path (a prepend) is shown once.
50 of 272 paths shown. All of them are in the JSON .
More prefixes from AS19905
Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 18:19 UTC, fetched 28 minutes ago.