bgpmap

BGP map for 173.234.20.0/23

173.234.20.0/23 is announced by AS205544 LEASEWEB-UK-LON-11 and seen by 339 peers of 23 RIPE RIS collectors, over 266 different AS paths. Its busiest upstreams are AS16265 LEASEWEB-NETWORK (59%), AS1299 TWELVE99 (14%) and AS174 Cogent Communications, LLC (13%). The most common path, used by 10 peers, is AS24482 AS16265 AS205544.

Routes checked 18:31:45 UTC

Recent route changes

AS-path graph toward 173.234.20.0/23
BGP map of 173.234.20.0/239 networks on the paths RIPE RIS collector peers use to reach 173.234.20.0/23. Best path, chosen by the most peers: AS24482 → AS16265 → AS205544.AS8218 → AS16265 · 7 routesAS13030 → AS16265 · 4 routesAS9002 → AS3257 · 4 routesAS3257 → AS205544 · 4 routesAS14840 → AS16265 · 4 routesAS6453 → AS205544 · 3 routesAS24482 → AS16265 · 10 routes · best pathAS16265 → AS205544 · 44 routes · best pathAS205544 → 173.234.20.0/23 · 51 routes · best path7AS8218 → AS16265 · 7 routes4AS13030 → AS16265 · 4 routes4AS9002 → AS3257 · 4 routes4AS3257 → AS205544 · 4 routes4AS14840 → AS16265 · 4 routes3AS6453 → AS205544 · 3 routes10AS24482 → AS16265 · 10 routes · best path44AS16265 → AS205544 · 44 routes · best path51AS205544 → 173.234.20.0/23 · 51 routes · best pathAS205544LEASEWEB-UK-LON-11Leaseweb UK LimitedAS205544 LEASEWEB-UK-LON-11 Leaseweb UK Limited · origin · 51 routes · on the best pathAS16265LEASEWEB-NETWORKLeaseWeb Network B.V.AS16265 LEASEWEB-NETWORK LeaseWeb Network B.V. · transit · 44 routes · on the best pathAS24482SG.GSAS24482 SG.GS · edge network · 10 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 routesT1AS3257GTT-BACKBONE GTTCommunications Inc.AS3257 GTT-BACKBONE GTT Communications Inc. · Tier 1 · 4 routesAS14840BR.Digital TelecomAS14840 BR.Digital Telecom · edge network · 4 routesT1AS6453TATA COMMUNICATIONS(AMERICA) INCAS6453 TATA COMMUNICATIONS (AMERICA) INC · Tier 1 · 3 routes173.234.20.0/23173.234.20.0/23

origin Tier 1Tier 2transitedge network prefix best path: chosen by 10 of 339 peers (3%) number on a line = peers using that link RIS data up to 18:30 UTC what the colours mean 12 of 266 paths drawn 6 quieter networks left out

View JSON Raw upstream

339collector peers
23RIS collectors
266distinct AS paths
3.3average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

NetworkPeersShare
AS16265 LEASEWEB-NETWORK LeaseWeb Network B.V.20159%
AS1299 TWELVE99 Arelion Sweden AB4814%
AS174 Cogent Communications, LLC4413%
AS6453 TATA COMMUNICATIONS (AMERICA) INC299%
AS3257 GTT-BACKBONE GTT Communications Inc.175%

Transit networks

Networks between the collector peer and the origin.

NetworkPeersShare
AS16265 LEASEWEB-NETWORK LeaseWeb Network B.V.19858%
AS1299 TWELVE99 Arelion Sweden AB4614%
AS174 Cogent Communications, LLC4413%
AS6453 TATA COMMUNICATIONS (AMERICA) INC288%
AS3257 GTT-BACKBONE GTT Communications Inc.165%
AS2914 NTT America, Inc.62%
AS3356 Level 3 Parent, LLC62%
AS6939 Hurricane Electric LLC41%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.41%
AS13030 INIT7 Init7 (Switzerland) Ltd.3<1%

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
1AS24482AS16265AS205544103%10
2AS8218AS16265AS20554472%6
3AS13030AS16265AS20554441%4
4AS9002AS3257AS20554441%4
5AS14840AS16265AS20554441%2
6AS47147AS16265AS20554441%4
7AS16265AS2055443<1%2
8AS2914AS6453AS2055443<1%3
9AS48185AS16265AS2055443<1%3
10AS51185AS16265AS2055443<1%3
11AS34927AS16265AS2055443<1%3
12AS3214AS16265AS2055443<1%3
13AS199524AS1299AS2055443<1%3
14AS34019AS16265AS2055443<1%3
15AS25091AS16265AS2055443<1%3
16AS48362AS16265AS2055443<1%3
17AS1299AS2055442<1%2
18AS6461AS6453AS2055442<1%2
19AS62167AS16265AS2055442<1%2
20AS25160AS16265AS2055442<1%2
21AS35710AS16265AS2055442<1%2
22AS35280AS6453AS2055442<1%2
23AS212483AS16265AS2055442<1%1
24AS49544AS16265AS2055442<1%2
25AS14907AS16265AS2055442<1%2
26AS199524AS16265AS2055442<1%2
27AS15547AS16265AS2055442<1%2
28AS12779AS16265AS2055442<1%2
29AS51184AS16265AS2055442<1%2
30AS6461AS174AS2055442<1%2
31AS47692AS16265AS2055442<1%2
32AS59890AS174AS2055442<1%2
33AS271253AS174AS2055442<1%1
34AS199524AS174AS2055442<1%2
35AS19151AS174AS2055442<1%2
36AS917AS60068AS16265AS2055442<1%2
37AS55720AS2914AS6453AS2055442<1%1
38AS49544AS3356AS1299AS2055442<1%1
39AS31027AS6797AS16265AS2055442<1%1
40AS49544AS2914AS6453AS2055442<1%2
41AS20612AS9044AS16265AS2055442<1%1
42AS142289AS9583AS4755AS6453AS2055442<1%1
43AS6453AS2055441<1%1
44AS3257AS2055441<1%1
45AS15692AS174AS2055441<1%1
46AS48070AS16265AS2055441<1%1
47AS6894AS174AS2055441<1%1
48AS31742AS16265AS2055441<1%1
49AS35266AS16265AS2055441<1%1
50AS286AS3257AS2055441<1%1

50 of 266 paths shown. All of them are in the JSON.

More prefixes from AS205544

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 18:30 UTC, fetched just now.