bgpmap

BGP map for 81.209.128.0/17

81.209.128.0/17 is announced by AS13237 LAMBDANET-AS and seen by 350 peers of 23 RIPE RIS collectors, over 272 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (13%), AS5405 INTERDOTLINK (12%) and AS3257 GTT-BACKBONE (6%). The most common path, used by 8 peers, is AS24482 AS13237.

Routes checked 17:35:28 UTC

No change in the origin, the upstreams or the number of peers since 01:48 UTC on 29 Oct, when this site first looked at 81.209.128.0/17.

AS-path graph toward 81.209.128.0/17
BGP map of 81.209.128.0/177 networks on the paths RIPE RIS collector peers use to reach 81.209.128.0/17. Best path, chosen by the most peers: AS24482 → AS13237.AS8218 → AS13237 · 7 routesAS6461 → AS13237 · 5 routesAS13030 → AS13237 · 4 routesAS51185 → AS13237 · 4 routesAS24482 → AS13237 · 8 routes · best pathAS13237 → 81.209.128.0/17 · 55 routes · best path7AS8218 → AS13237 · 7 routes5AS6461 → AS13237 · 5 routes4AS13030 → AS13237 · 4 routes4AS51185 → AS13237 · 4 routes8AS24482 → AS13237 · 8 routes · best path55AS13237 → 81.209.128.0/17 · 55 routes · best pathAS13237LAMBDANET-ASeuNetworks GmbHAS13237 LAMBDANET-AS euNetworks GmbH · origin · 55 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 routesT1AS6461Zayo BandwidthAS6461 Zayo Bandwidth · Tier 1 · 5 routesT2AS13030INIT7 Init7(Switzerland) Ltd.AS13030 INIT7 Init7 (Switzerland) Ltd. · Tier 2 · 4 routesAS51185MAINSTREAMING-ASMainStreaming SpAAS51185 MAINSTREAMING-AS MainStreaming SpA · edge network · 4 routesT2AS9002RETN-AS RETN LimitedAS9002 RETN-AS RETN Limited · Tier 2 · 4 routes81.209.128.0/1781.209.128.0/17

origin Tier 1Tier 2edge network prefix best path: chosen by 8 of 350 peers (2%) number on a line = peers using that link RIS data up to 17:35 UTC what the colours mean 12 of 272 paths drawn 6 quieter networks left out

View JSON Raw upstream

350collector peers
23RIS collectors
272distinct AS paths
2.6average AS hops, 1 to 5

Upstreams

Networks directly in front of the origin.

NetworkPeersShare
AS1299 TWELVE99 Arelion Sweden AB4513%
AS5405 INTERDOTLINK Inter.link GmbH4312%
AS3257 GTT-BACKBONE GTT Communications Inc.226%
AS6939 Hurricane Electric LLC103%
AS24482 SG.GS82%
AS8218 NEO-ASN Zayo Infrastructure France SA72%
AS6461 Zayo Bandwidth51%
AS14840 BR.Digital Telecom51%
AS34019 HIVANE Hivane Association51%
AS3320 DTAG Deutsche Telekom AG51%

Transit networks

Networks between the collector peer and the origin.

NetworkPeersShare
AS1299 TWELVE99 Arelion Sweden AB4312%
AS5405 INTERDOTLINK Inter.link GmbH4112%
AS3257 GTT-BACKBONE GTT Communications Inc.216%
AS6939 Hurricane Electric LLC103%
AS3356 Level 3 Parent, LLC72%
AS174 Cogent Communications, LLC72%
AS2914 NTT America, Inc.41%
AS3491 PCCW Global (HK) Ltd.41%
AS3320 DTAG Deutsche Telekom AG3<1%
AS37468 Angola Cables3<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
1AS24482AS1323782%8
2AS8218AS1323772%6
3AS1323762%6
4AS6461AS1323751%5
5AS13030AS1323741%4
6AS51185AS1323741%4
7AS14840AS1323741%2
8AS47147AS1323741%4
9AS9002AS3257AS1323741%4
10AS48185AS132373<1%3
11AS34019AS132373<1%3
12AS25091AS132373<1%3
13AS48362AS132373<1%3
14AS3491AS5405AS132373<1%3
15AS199524AS1299AS132373<1%3
16AS3320AS132372<1%2
17AS62167AS132372<1%2
18AS25160AS132372<1%2
19AS34927AS132372<1%2
20AS3214AS132372<1%2
21AS1299AS132372<1%2
22AS50628AS132372<1%2
23AS35710AS132372<1%2
24AS8529AS132372<1%2
25AS212483AS132372<1%1
26AS49544AS132372<1%2
27AS199524AS132372<1%2
28AS15547AS132372<1%2
29AS12779AS132372<1%2
30AS51184AS132372<1%2
31AS47692AS132372<1%2
32AS58057AS132372<1%2
33AS59890AS132372<1%2
34AS20612AS132372<1%1
35AS202032AS132372<1%2
36AS5405AS132372<1%2
37AS2914AS3257AS132372<1%2
38AS14907AS1299AS132372<1%2
39AS31027AS6797AS132372<1%1
40AS6762AS5405AS132372<1%2
41AS24482AS5405AS132372<1%2
42AS49544AS3356AS1299AS132372<1%1
43AS271253AS3356AS1299AS132372<1%1
44AS142289AS9583AS6453AS1299AS132372<1%1
45AS48070AS132371<1%1
46AS6894AS132371<1%1
47AS31742AS132371<1%1
48AS35266AS132371<1%1
49AS1828AS132371<1%1
50AS28792AS132371<1%1

50 of 272 paths shown. All of them are in the JSON.

More prefixes from AS13237

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 17:35 UTC, fetched just now.