bgpmap

BGP map for 170.251.146.0/23

170.251.146.0/23 is announced by AS21433 AccentureFSSC and seen by 315 peers of 23 RIPE RIS collectors, over 248 different AS paths. Its busiest upstreams are AS174 Cogent Communications, LLC (53%) and AS3356 Level 3 Parent, LLC (47%). The most common path, used by 9 peers, is AS24482 AS2914 AS3356 AS21433.

Routes checked 23:19:04 UTC

No change in the origin, the upstreams or the number of peers since 08:22 UTC on 26 Oct, when this site first looked at 170.251.146.0/23.

AS-path graph toward 170.251.146.0/23
BGP map of 170.251.146.0/2311 networks on the paths RIPE RIS collector peers use to reach 170.251.146.0/23. Best path, chosen by the most peers: AS24482 → AS2914 → AS3356 → AS21433.AS199524 → AS174 · 7 routesAS174 → AS21433 · 24 routesAS6461 → AS174 · 10 routesAS8218 → AS6461 · 5 routesAS9002 → AS3356 · 4 routesAS49544 → AS3356 · 4 routesAS24482 → AS2914 · 9 routes · best pathAS2914 → AS3356 · 9 routes · best pathAS3356 → AS21433 · 30 routes · best pathAS21433 → 170.251.146.0/23 · 54 routes · best path7AS199524 → AS174 · 7 routes24AS174 → AS21433 · 24 routes10AS6461 → AS174 · 10 routes5AS8218 → AS6461 · 5 routes4AS9002 → AS3356 · 4 routes4AS49544 → AS3356 · 4 routes9AS24482 → AS2914 · 9 routes · best path9AS2914 → AS3356 · 9 routes · best path30AS3356 → AS21433 · 30 routes · best path54AS21433 → 170.251.146.0/23 · 54 routes · best pathAS21433AccentureFSSCAccenture UK LimitedAS21433 AccentureFSSC Accenture UK Limited · origin · 54 routes · on the best pathT1AS3356Level 3 Parent, LLCAS3356 Level 3 Parent, LLC · Tier 1 · 30 routes · on the best pathT1AS174CogentCommunications, LLCAS174 Cogent Communications, LLC · Tier 1 · 24 routesT1AS6461Zayo BandwidthAS6461 Zayo Bandwidth · Tier 1 · 10 routesAS24482SG.GSAS24482 SG.GS · edge network · 9 routes · on the best pathT1AS2914NTT America, Inc.AS2914 NTT America, Inc. · Tier 1 · 9 routes · on the best pathAS199524GCORE G-Core Labs S.A.AS199524 GCORE G-Core Labs S.A. · edge network · 7 routesAS8218NEO-ASN ZayoInfrastructure France SAAS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 5 routesT2AS9002RETN-AS RETN LimitedAS9002 RETN-AS RETN Limited · Tier 2 · 4 routesAS49544i3Dnet i3D.net B.VAS49544 i3Dnet i3D.net B.V · edge network · 4 routesT2AS13030INIT7 Init7(Switzerland) Ltd.AS13030 INIT7 Init7 (Switzerland) Ltd. · Tier 2 · 4 routes170.251.146.0/23170.251.146.0/23

origin Tier 1Tier 2edge network prefix best path: chosen by 9 of 315 peers (3%) number on a line = peers using that link RIS data up to 23:18 UTC what the colours mean 12 of 248 paths drawn 6 quieter networks left out

View JSON Raw upstream

315collector peers
23RIS collectors
248distinct AS paths
3.6average AS hops, 3 to 6

Upstreams

Networks directly in front of the origin.

NetworkPeersShare
AS174 Cogent Communications, LLC16653%
AS3356 Level 3 Parent, LLC14947%

Transit networks

Networks between the collector peer and the origin.

NetworkPeersShare
AS174 Cogent Communications, LLC16653%
AS3356 Level 3 Parent, LLC14947%
AS1299 TWELVE99 Arelion Sweden AB279%
AS2914 NTT America, Inc.237%
AS6461 Zayo Bandwidth93%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.83%
AS3320 DTAG Deutsche Telekom AG72%
AS1764 NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH72%
AS6939 Hurricane Electric LLC72%
AS34549 MEER-AS meerfarbig GmbH & Co. KG52%

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
1AS24482AS2914AS3356AS2143393%9
2AS199524AS174AS2143372%7
3AS6461AS174AS2143352%5
4AS8218AS6461AS174AS2143352%5
5AS9002AS3356AS2143341%4
6AS49544AS3356AS2143341%3
7AS14840AS3356AS2143341%2
8AS13030AS1299AS174AS2143341%4
9AS12779AS174AS214333<1%3
10AS48185AS3356AS214333<1%3
11AS35280AS3356AS214333<1%3
12AS25091AS3356AS214333<1%3
13AS2914AS3356AS214332<1%2
14AS6424AS174AS214332<1%2
15AS25160AS174AS214332<1%2
16AS1299AS174AS214332<1%2
17AS50628AS3356AS214332<1%2
18AS8529AS3356AS214332<1%2
19AS3491AS174AS214332<1%2
20AS15547AS174AS214332<1%2
21AS6762AS174AS214332<1%2
22AS59890AS3356AS214332<1%2
23AS271253AS3356AS214332<1%1
24AS2497AS174AS214332<1%2
25AS19151AS174AS214332<1%2
26AS917AS60068AS174AS214332<1%2
27AS34927AS1299AS174AS214332<1%2
28AS58057AS34549AS174AS214332<1%2
29AS35710AS3320AS3356AS214332<1%2
30AS51185AS6762AS174AS214332<1%2
31AS14907AS2914AS3356AS214332<1%2
32AS51184AS1764AS174AS214332<1%2
33AS48362AS1764AS174AS214332<1%2
34AS47147AS3320AS3356AS214332<1%2
35AS47147AS1299AS174AS214332<1%2
36AS20612AS9044AS174AS214332<1%1
37AS142289AS9583AS4755AS6453AS174AS214332<1%1
38AS6894AS174AS214331<1%1
39AS31742AS174AS214331<1%1
40AS3257AS3356AS214331<1%1
41AS62167AS3356AS214331<1%1
42AS39122AS174AS214331<1%1
43AS3170AS174AS214331<1%1
44AS7018AS3356AS214331<1%1
45AS132825AS3356AS214331<1%1
46AS22652AS174AS214331<1%1
47AS20205AS174AS214331<1%1
48AS34549AS174AS214331<1%1
49AS852AS174AS214331<1%1
50AS37721AS174AS214331<1%1

50 of 248 paths shown. All of them are in the JSON.

More prefixes from AS21433

Routes seen by RIPE RIS in the 24 hours up to 31 Oct 2026, 23:18 UTC, fetched just now.