bgpmap

BGP map for 57.145.8.0/23

57.145.8.0/23 is announced by AS32934 Facebook, Inc. and seen by 18 peers of 9 RIPE RIS collectors, over 14 different AS paths. Its busiest upstreams are AS35280 F5 (67%), AS1221 Telstra Limited (17%) and AS7474 SingTel Optus Pty Ltd (11%). The most common path, used by 3 peers, is AS35280 AS32934.

Routes checked 21:16:54 UTC

No change in the origin, the upstreams or the number of peers since 21:16 UTC, when this site first looked at 57.145.8.0/23.

AS-path graph toward 57.145.8.0/23
BGP map of 57.145.8.0/2313 networks on the paths RIPE RIS collector peers use to reach 57.145.8.0/23. Best path, chosen by the most peers: AS35280 → AS32934.AS34019 → AS29169 · 3 routesAS29169 → AS35280 · 3 routesAS132847 → AS32934 · 1 routeAS36924 → AS35280 · 1 routeAS49028 → AS35280 · 1 routeAS2027 → AS35280 · 1 routeAS50628 → AS35280 · 1 routeAS1221 → AS32934 · 3 routesAS7474 → AS32934 · 1 routeAS35280 → AS32934 · 11 routes · best pathAS32934 → 57.145.8.0/23 · 16 routes · best path3AS34019 → AS29169 · 3 routes3AS29169 → AS35280 · 3 routes1AS132847 → AS32934 · 1 route1AS36924 → AS35280 · 1 route1AS49028 → AS35280 · 1 route1AS2027 → AS35280 · 1 route1AS50628 → AS35280 · 1 route3AS1221 → AS32934 · 3 routes1AS7474 → AS32934 · 1 route11AS35280 → AS32934 · 11 routes · best path16AS32934 → 57.145.8.0/23 · 16 routes · best pathAS32934Facebook, Inc.AS32934 Facebook, Inc. · origin · 16 routes · on the best pathAS35280F5 F5 Networks SARLAS35280 F5 F5 Networks SARL · transit · 11 routes · on the best pathAS34019HIVANE HivaneAssociationAS34019 HIVANE Hivane Association · edge network · 3 routesAS29169GANDI-AS GANDI SASAS29169 GANDI-AS GANDI SAS · transit · 3 routesAS1221Telstra LimitedAS1221 Telstra Limited · transit · 3 routesAS132847Network SolutionsGroup Pty LtdAS132847 Network Solutions Group Pty Ltd · edge network · 1 routeAS36924GVA Cote d'Ivoire SASAS36924 GVA Cote d'Ivoire SAS · edge network · 1 routeAS49028D-LAKE D-LAKE SASAS49028 D-LAKE D-LAKE SAS · edge network · 1 routeAS2027MilkyWan MilkyWanAssociationAS2027 MilkyWan MilkyWan Association · edge network · 1 routeAS50628Leonix-TelecomLeonix Telecom SASAS50628 Leonix-Telecom Leonix Telecom SAS · edge network · 1 routeAS58308CUSAE-AS Cusae SASAS58308 CUSAE-AS Cusae SAS · edge network · 1 routeAS8888XTOM xTom Pty LtdAS8888 XTOM xTom Pty Ltd · edge network · 1 routeT2AS7474SingTel Optus Pty LtdAS7474 SingTel Optus Pty Ltd · Tier 2 · 1 route57.145.8.0/2357.145.8.0/23

origin Tier 2transitedge network prefix best path: chosen by 3 of 18 peers (17%) number on a line = peers using that link RIS data up to 21:16 UTC what the colours mean 12 of 14 paths drawn 5 quieter networks left out

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18collector peers
9RIS collectors
14distinct AS paths
3.3average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

NetworkPeersShare
AS35280 F5 F5 Networks SARL1267%
AS1221 Telstra Limited317%
AS7474 SingTel Optus Pty Ltd211%
AS132847 Network Solutions Group Pty Ltd16%

Transit networks

Networks between the collector peer and the origin.

NetworkPeersShare
AS35280 F5 F5 Networks SARL950%
AS29169 GANDI-AS GANDI SAS422%
AS1221 Telstra Limited317%
AS137409 GSL Networks Pty LTD211%
AS7474 SingTel Optus Pty Ltd211%
AS39305 CONVERGENCE-FR Groupe convergence.com SAS16%
AS34019 HIVANE Hivane Association16%
AS17557 Pakistan Telecommunication Company Limited16%
AS8529 OMANTEL-AS Zain Omantel International FZ-LLC16%

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
1AS35280AS32934317%3
2AS34019AS29169AS35280AS32934317%3
3AS132847AS3293416%1
4AS36924AS35280AS3293416%1
5AS49028AS35280AS3293416%1
6AS2027AS35280AS3293416%1
7AS50628AS35280AS3293416%1
8AS36236AS1221AS3293416%1
9AS49544AS1221AS3293416%1
10AS4608AS1221AS3293416%1
11AS58308AS39305AS35280AS3293416%1
12AS8888AS137409AS7474AS3293416%1
13AS207910AS34019AS29169AS35280AS3293416%1
14AS28910AS17557AS8529AS137409AS7474AS3293416%1

More prefixes from AS32934

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 21:16 UTC, fetched just now.