bgpmap

AS17621 China Unicom Shanghai network

AS17621 China Unicom Shanghai network announces 396 IPv4 prefixes and 425 IPv6 prefixes. The map below is for 58.246.0.0/16, the largest of them that RIPE RIS can see: 325 collector peers reach it over 250 AS paths, through one upstream, AS4837 CHINA UNICOM China169 Backbone.

Routes checked 14:18:28 UTC

No change in the origin, the upstreams or the number of peers since 17:10 UTC on 27 Oct, when this site first looked at 58.246.0.0/16.

AS-path graph toward 58.246.0.0/16
BGP map of 58.246.0.0/1613 networks on the paths RIPE RIS collector peers use to reach 58.246.0.0/16. Best path, chosen by the most peers: AS24482 → AS2914 → AS701 → AS4837 → AS17621.AS8218 → AS6461 · 7 routesAS6461 → AS4837 · 12 routesAS13030 → AS1299 · 4 routesAS1299 → AS4837 · 18 routesAS9002 → AS5511 · 4 routesAS5511 → AS4837 · 4 routesAS14840 → AS6762 · 4 routesAS6762 → AS4837 · 4 routesAS24482 → AS2914 · 8 routes · best pathAS2914 → AS701 · 11 routes · best pathAS701 → AS4837 · 11 routes · best pathAS4837 → AS17621 · 52 routes · best pathAS17621 → 58.246.0.0/16 · 52 routes · best path7AS8218 → AS6461 · 7 routes12AS6461 → AS4837 · 12 routes4AS13030 → AS1299 · 4 routes18AS1299 → AS4837 · 18 routes4AS9002 → AS5511 · 4 routes4AS5511 → AS4837 · 4 routes4AS14840 → AS6762 · 4 routes4AS6762 → AS4837 · 4 routes8AS24482 → AS2914 · 8 routes · best path11AS2914 → AS701 · 11 routes · best path11AS701 → AS4837 · 11 routes · best path52AS4837 → AS17621 · 52 routes · best path52AS17621 → 58.246.0.0/16 · 52 routes · best pathT2AS4837CHINA UNICOMChina169 BackboneAS4837 CHINA UNICOM China169 Backbone · Tier 2 · 52 routes · on the best pathAS17621China UnicomShanghai networkAS17621 China Unicom Shanghai network · origin · 52 routes · on the best pathT1AS1299TWELVE99 ArelionSweden ABAS1299 TWELVE99 Arelion Sweden AB · Tier 1 · 18 routesT1AS6461Zayo BandwidthAS6461 Zayo Bandwidth · Tier 1 · 12 routesT1AS2914NTT America, Inc.AS2914 NTT America, Inc. · Tier 1 · 11 routes · on the best pathT1AS701Verizon BusinessAS701 Verizon Business · Tier 1 · 11 routes · on the best pathAS24482SG.GSAS24482 SG.GS · edge network · 8 routes · on the best pathAS8218NEO-ASN ZayoInfrastructure France SAAS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 7 routesT2AS13030INIT7 Init7(Switzerland) Ltd.AS13030 INIT7 Init7 (Switzerland) Ltd. · Tier 2 · 4 routesT2AS9002RETN-AS RETN LimitedAS9002 RETN-AS RETN Limited · Tier 2 · 4 routesT1AS5511Opentransit Orange S.A.AS5511 Opentransit Orange S.A. · Tier 1 · 4 routesAS14840BR.Digital TelecomAS14840 BR.Digital Telecom · edge network · 4 routesT1AS6762SEABONE-NET TELECOMITALIA SPARKLE S.p.A.AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A. · Tier 1 · 4 routes58.246.0.0/1658.246.0.0/16

origin Tier 1Tier 2edge network prefix best path: chosen by 8 of 325 peers (2%) number on a line = peers using that link RIS data up to 14:18 UTC what the colours mean 12 of 250 paths drawn 5 quieter networks left out

View JSON Raw upstream Full map of 58.246.0.0/16 →

Upstreams of 58.246.0.0/16

Networks directly in front of the origin, counted over the paths the collector peers use.

NetworkPeersShare
AS4837 CHINA UNICOM China169 Backbone325100%

IPv4 prefixes (396)

The 200 largest are listed. All 396 on RIPEstat.

IPv6 prefixes (425)

The 200 largest are listed. All 425 on RIPEstat.

Prefixes announced in the last two weeks, as seen by RIPE RIS.