bgpmap

BGP map for 121.37.64.0/18

121.37.64.0/18 is announced by AS55990 Huawei Cloud Service data center and seen by 335 peers of 23 RIPE RIS collectors, over 255 different AS paths. Its busiest upstreams are AS23724 IDC, China Telecommunications Corporation (83%), AS4808 China Unicom Beijing Province Network (16%) and AS9808 China Mobile Communications Group Co., Ltd. (<1%). The most common path, used by 11 peers, is AS24482 AS2914 AS4134 AS23724 AS55990.

Routes checked 05:49:35 UTC

No change in the origin, the upstreams or the number of peers since 05:49 UTC, when this site first looked at 121.37.64.0/18.

AS-path graph toward 121.37.64.0/18
BGP map of 121.37.64.0/1815 networks on the paths RIPE RIS collector peers use to reach 121.37.64.0/18. Best path, chosen by the most peers: AS24482 → AS2914 → AS4134 → AS23724 → AS55990.AS8218 → AS4134 · 7 routesAS199524 → AS1299 · 6 routesAS1299 → AS4134 · 14 routesAS6461 → AS4134 · 5 routesAS12779 → AS4837 · 4 routesAS4837 → AS4808 · 4 routesAS4808 → AS55990 · 4 routesAS13030 → AS1299 · 4 routesAS47147 → AS1299 · 4 routesAS24482 → AS2914 · 11 routes · best pathAS2914 → AS4134 · 14 routes · best pathAS4134 → AS23724 · 53 routes · best pathAS23724 → AS55990 · 53 routes · best pathAS55990 → 121.37.64.0/18 · 57 routes · best path7AS8218 → AS4134 · 7 routes6AS199524 → AS1299 · 6 routes14AS1299 → AS4134 · 14 routes5AS6461 → AS4134 · 5 routes4AS12779 → AS4837 · 4 routes4AS4837 → AS4808 · 4 routes4AS4808 → AS55990 · 4 routes4AS13030 → AS1299 · 4 routes4AS47147 → AS1299 · 4 routes11AS24482 → AS2914 · 11 routes · best path14AS2914 → AS4134 · 14 routes · best path53AS4134 → AS23724 · 53 routes · best path53AS23724 → AS55990 · 53 routes · best path57AS55990 → 121.37.64.0/18 · 57 routes · best pathAS55990Huawei CloudService data centerAS55990 Huawei Cloud Service data center · origin · 57 routes · on the best pathT2AS4134No.31,Jin-rong StreetAS4134 No.31,Jin-rong Street · Tier 2 · 53 routes · on the best pathAS23724IDC, China TelecommunicationsCorporationAS23724 IDC, China Telecommunications Corporation · transit · 53 routes · on the best pathT1AS2914NTT America, Inc.AS2914 NTT America, Inc. · Tier 1 · 14 routes · on the best pathT1AS1299TWELVE99 ArelionSweden ABAS1299 TWELVE99 Arelion Sweden AB · Tier 1 · 14 routesAS24482SG.GSAS24482 SG.GS · edge network · 11 routes · on the best pathAS8218NEO-ASN ZayoInfrastructure France SAAS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 7 routesAS199524GCORE G-Core Labs S.A.AS199524 GCORE G-Core Labs S.A. · edge network · 6 routesT1AS6461Zayo BandwidthAS6461 Zayo Bandwidth · Tier 1 · 5 routesAS12779ITGATE IT.Gate S.p.A.AS12779 ITGATE IT.Gate S.p.A. · edge network · 4 routesT2AS4837CHINA UNICOMChina169 BackboneAS4837 CHINA UNICOM China169 Backbone · Tier 2 · 4 routesAS4808China Unicom BeijingProvince NetworkAS4808 China Unicom Beijing Province Network · transit · 4 routesT2AS13030INIT7 Init7(Switzerland) Ltd.AS13030 INIT7 Init7 (Switzerland) Ltd. · Tier 2 · 4 routesAS14840BR.Digital TelecomAS14840 BR.Digital Telecom · edge network · 4 routesAS47147AS-ANX Anexia CloudSolutions GmbHAS47147 AS-ANX Anexia Cloud Solutions GmbH · edge network · 4 routes121.37.64.0/18121.37.64.0/18

origin Tier 1Tier 2transitedge network prefix best path: chosen by 11 of 335 peers (3%) number on a line = peers using that link RIS data up to 05:48 UTC what the colours mean 12 of 255 paths drawn 4 quieter networks left out

Download PNG View JSON Raw upstream

335collector peers
23RIS collectors
255distinct AS paths
4.9average AS hops, 3 to 7

Upstreams

Networks directly in front of the origin.

NetworkPeersShare
AS23724 IDC, China Telecommunications Corporation27783%
AS4808 China Unicom Beijing Province Network5516%
AS9808 China Mobile Communications Group Co., Ltd.3<1%

Transit networks

Networks between the collector peer and the origin.

NetworkPeersShare
AS23724 IDC, China Telecommunications Corporation27783%
AS4134 No.31,Jin-rong Street27682%
AS1299 TWELVE99 Arelion Sweden AB6620%
AS4808 China Unicom Beijing Province Network5516%
AS4837 CHINA UNICOM China169 Backbone5416%
AS3356 Level 3 Parent, LLC3611%
AS2914 NTT America, Inc.3510%
AS174 Cogent Communications, LLC247%
AS6939 Hurricane Electric LLC113%
AS6453 TATA COMMUNICATIONS (AMERICA) INC82%

AS paths

Every distinct path the collector peers use, most common first. An ASN repeated to lengthen a path (a prepend) is shown once.

#Path, collector peer to originPeersShareCollectors
1AS24482AS2914AS4134AS23724AS55990113%11
2AS8218AS4134AS23724AS5599072%6
3AS199524AS1299AS4134AS23724AS5599062%6
4AS6461AS4134AS23724AS5599051%5
5AS12779AS4837AS4808AS5599041%4
6AS13030AS1299AS4134AS23724AS5599041%4
7AS14840AS3356AS4134AS23724AS5599041%2
8AS47147AS1299AS4134AS23724AS5599041%4
9AS2914AS4134AS23724AS559903<1%3
10AS3491AS4134AS23724AS559903<1%3
11AS9002AS4134AS23724AS559903<1%3
12AS34019AS4134AS23724AS559903<1%3
13AS25091AS4134AS23724AS559903<1%3
14AS34927AS1299AS4134AS23724AS559903<1%3
15AS49544AS2914AS4134AS23724AS559903<1%3
16AS51185AS6762AS4837AS4808AS559903<1%3
17AS48362AS1299AS4134AS23724AS559903<1%3
18AS3257AS4134AS23724AS559902<1%2
19AS6830AS4134AS23724AS559902<1%2
20AS3320AS4134AS23724AS559902<1%2
21AS1299AS4134AS23724AS559902<1%2
22AS8529AS4134AS23724AS559902<1%2
23AS3214AS58807AS9808AS559902<1%2
24AS51184AS4134AS23724AS559902<1%2
25AS47692AS4134AS23724AS559902<1%2
26AS917AS60068AS4134AS23724AS559902<1%2
27AS62167AS3356AS4134AS23724AS559902<1%2
28AS25160AS174AS4134AS23724AS559902<1%2
29AS42473AS1299AS4134AS23724AS559902<1%2
30AS55720AS23764AS4134AS23724AS559902<1%1
31AS58057AS1836AS4134AS23724AS559902<1%2
32AS49544AS3356AS4134AS23724AS559902<1%1
33AS31027AS1299AS4134AS23724AS559902<1%1
34AS35710AS3320AS4134AS23724AS559902<1%2
35AS14907AS1299AS4134AS23724AS559902<1%2
36AS15547AS174AS4134AS23724AS559902<1%2
37AS59890AS3356AS4134AS23724AS559902<1%2
38AS271253AS3356AS4134AS23724AS559902<1%1
39AS19151AS2914AS4134AS23724AS559902<1%2
40AS58057AS34549AS5511AS4837AS4808AS559902<1%2
41AS20612AS9044AS1299AS4134AS23724AS559902<1%1
42AS142289AS9583AS4755AS6453AS4837AS4808AS559902<1%1
43AS4134AS23724AS559901<1%1
44AS4837AS4808AS559901<1%1
45AS5511AS4837AS4808AS559901<1%1
46AS7018AS4837AS4808AS559901<1%1
47AS6057AS4134AS23724AS559901<1%1
48AS1257AS4134AS23724AS559901<1%1
49AS49028AS4134AS23724AS559901<1%1
50AS2027AS4134AS23724AS559901<1%1

50 of 255 paths shown. All of them are in the JSON.

More prefixes from AS55990

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 05:48 UTC, fetched just now.