bgpmap

BGP map for 187.54.50.0/23

187.54.50.0/23 is announced by AS137897 PAN-LIAN TECHNOLOGY CO., LIMITED and seen by 186 peers of 23 RIPE RIS collectors, over 152 different AS paths. All of those routes reach it through one upstream, AS4837 CHINA UNICOM China169 Backbone. The most common path, used by 7 peers, is AS199524 AS174 AS3356 AS137897 AS4837 AS137897.

Routes checked 06:35:47 UTC

No change in the origin, the upstreams or the number of peers since 08:45 UTC on 26 Oct, when this site first looked at 187.54.50.0/23.

AS-path graph toward 187.54.50.0/23
BGP map of 187.54.50.0/2311 networks on the paths RIPE RIS collector peers use to reach 187.54.50.0/23. Best path, chosen by the most peers: AS199524 → AS174 → AS3356 → AS137897 → AS4837 → AS137897.AS8218 → AS174 · 6 routesAS14840 → AS174 · 4 routesAS35280 → AS3356 · 3 routesAS12779 → AS174 · 3 routesAS48362 → AS1764 · 3 routesAS1764 → AS174 · 3 routesAS199524 → AS174 · 7 routes · best pathAS174 → AS3356 · 35 routes · best pathAS3356 → AS137897 · 38 routes · best pathAS137897 → AS4837 · 38 routes · best pathAS4837 → AS137897 · 38 routes · best pathAS137897 → 187.54.50.0/23 · 38 routes · best path6AS8218 → AS174 · 6 routes4AS14840 → AS174 · 4 routes3AS35280 → AS3356 · 3 routes3AS12779 → AS174 · 3 routes3AS48362 → AS1764 · 3 routes3AS1764 → AS174 · 3 routes7AS199524 → AS174 · 7 routes · best path35AS174 → AS3356 · 35 routes · best path38AS3356 → AS137897 · 38 routes · best path38AS137897 → AS4837 · 38 routes · best path38AS4837 → AS137897 · 38 routes · best path38AS137897 → 187.54.50.0/23 · 38 routes · best pathT1AS3356Level 3 Parent, LLCAS3356 Level 3 Parent, LLC · Tier 1 · 38 routes · on the best pathAS137897PAN-LIAN TECHNOLOGYCO., LIMITEDAS137897 PAN-LIAN TECHNOLOGY CO., LIMITED · origin · 38 routes · on the best pathT2AS4837CHINA UNICOMChina169 BackboneAS4837 CHINA UNICOM China169 Backbone · Tier 2 · 38 routes · on the best pathT1AS174CogentCommunications, LLCAS174 Cogent Communications, LLC · Tier 1 · 35 routes · on the best pathAS199524GCORE G-Core Labs S.A.AS199524 GCORE G-Core Labs S.A. · edge network · 7 routes · on the best pathAS8218NEO-ASN ZayoInfrastructure France SAAS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 6 routesAS14840BR.Digital TelecomAS14840 BR.Digital Telecom · edge network · 4 routesAS35280F5 F5 Networks SARLAS35280 F5 F5 Networks SARL · edge network · 3 routesAS12779ITGATE IT.Gate S.p.A.AS12779 ITGATE IT.Gate S.p.A. · edge network · 3 routesAS48362TKSWF-ASStadtwerke FeldkirchAS48362 TKSWF-AS Stadtwerke Feldkirch · edge network · 3 routesAS1764NEXTLAYER-AS Next LayerTelekommunikationsdienstleistungs-und Beratungs GmbHAS1764 NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH · transit · 3 routes187.54.50.0/23187.54.50.0/23

origin Tier 1Tier 2transitedge network prefix best path: chosen by 7 of 186 peers (4%) number on a line = peers using that link RIS data up to 06:35 UTC what the colours mean 12 of 152 paths drawn 6 quieter networks left out

View JSON Raw upstream

186collector peers
23RIS collectors
152distinct AS paths
6.6average AS hops, 5 to 10

Upstreams

Networks directly in front of the origin.

NetworkPeersShare
AS4837 CHINA UNICOM China169 Backbone186100%

Transit networks

Networks between the collector peer and the origin.

NetworkPeersShare
AS3356 Level 3 Parent, LLC186100%
AS137897 PAN-LIAN TECHNOLOGY CO., LIMITED186100%
AS4837 CHINA UNICOM China169 Backbone186100%
AS174 Cogent Communications, LLC16388%
AS1764 NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH84%
AS3303 SWISSCOM Swisscom (Schweiz) AG74%
AS34549 MEER-AS meerfarbig GmbH & Co. KG53%
AS35280 F5 F5 Networks SARL53%
AS50629 LWLCOM LWLcom GmbH53%
AS9002 RETN-AS RETN Limited42%

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
1AS199524AS174AS3356AS137897AS4837AS13789774%7
2AS8218AS174AS3356AS137897AS4837AS13789763%5
3AS14840AS174AS3356AS137897AS4837AS13789742%2
4AS35280AS3356AS137897AS4837AS13789732%3
5AS12779AS174AS3356AS137897AS4837AS13789732%3
6AS48362AS1764AS174AS3356AS137897AS4837AS13789732%3
7AS62167AS174AS3356AS137897AS4837AS13789721%2
8AS6424AS174AS3356AS137897AS4837AS13789721%2
9AS25160AS174AS3356AS137897AS4837AS13789721%2
10AS15547AS174AS3356AS137897AS4837AS13789721%2
11AS59890AS174AS3356AS137897AS4837AS13789721%2
12AS271253AS174AS3356AS137897AS4837AS13789721%1
13AS2497AS174AS3356AS137897AS4837AS13789721%2
14AS19151AS174AS3356AS137897AS4837AS13789721%2
15AS917AS60068AS174AS3356AS137897AS4837AS13789721%2
16AS58057AS34549AS174AS3356AS137897AS4837AS13789721%2
17AS8529AS137409AS174AS3356AS137897AS4837AS13789721%2
18AS51184AS1764AS174AS3356AS137897AS4837AS13789721%2
19AS20612AS9044AS174AS3356AS137897AS4837AS13789721%1
20AS142289AS9583AS55836AS64049AS174AS3356AS137897AS4837AS13789721%1
21AS132825AS3356AS137897AS4837AS1378971<1%1
22AS3549AS3356AS137897AS4837AS1378971<1%1
23AS38008AS3356AS137897AS4837AS1378971<1%1
24AS49544AS3356AS137897AS4837AS1378971<1%1
25AS134823AS3356AS137897AS4837AS1378971<1%1
26AS9002AS3356AS137897AS4837AS1378971<1%1
27AS6894AS174AS3356AS137897AS4837AS1378971<1%1
28AS31742AS174AS3356AS137897AS4837AS1378971<1%1
29AS39122AS174AS3356AS137897AS4837AS1378971<1%1
30AS3170AS174AS3356AS137897AS4837AS1378971<1%1
31AS22652AS174AS3356AS137897AS4837AS1378971<1%1
32AS55720AS132825AS3356AS137897AS4837AS1378971<1%1
33AS34927AS174AS3356AS137897AS4837AS1378971<1%1
34AS20205AS174AS3356AS137897AS4837AS1378971<1%1
35AS34549AS174AS3356AS137897AS4837AS1378971<1%1
36AS852AS174AS3356AS137897AS4837AS1378971<1%1
37AS50300AS174AS3356AS137897AS4837AS1378971<1%1
38AS58057AS174AS3356AS137897AS4837AS1378971<1%1
39AS17639AS174AS3356AS137897AS4837AS1378971<1%1
40AS46997AS38008AS3356AS137897AS4837AS1378971<1%1
41AS61138AS55850AS3356AS137897AS4837AS1378971<1%1
42AS835AS174AS3356AS137897AS4837AS1378971<1%1
43AS198150AS174AS3356AS137897AS4837AS1378971<1%1
44AS1257AS174AS3356AS137897AS4837AS1378971<1%1
45AS36236AS174AS3356AS137897AS4837AS1378971<1%1
46AS8888AS137409AS3356AS137897AS4837AS1378971<1%1
47AS212271AS174AS3356AS137897AS4837AS1378971<1%1
48AS56457AS174AS3356AS137897AS4837AS1378971<1%1
49AS51185AS174AS3356AS137897AS4837AS1378971<1%1
50AS28910AS174AS3356AS137897AS4837AS1378971<1%1

50 of 152 paths shown. All of them are in the JSON.

More prefixes from AS137897

Routes seen by RIPE RIS in the 24 hours up to 1 Nov 2026, 06:35 UTC, fetched just now.