bgpmap

BGP map for 170.251.146.0/23

170.251.146.0/23 is announced by AS21433 AccentureFSSC and seen by 324 peers of 23 RIPE RIS collectors, over 253 different AS paths. Its busiest upstreams are AS3356 Level 3 Parent, LLC (50%) and AS174 Cogent Communications, LLC (50%). The most common path, used by 10 peers, is AS24482 AS2914 AS3356 AS21433.

Routes checked 18:52:06 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 routesAS8218 → AS6461 · 6 routesAS6461 → AS174 · 11 routesAS49544 → AS3356 · 5 routesAS9002 → AS3356 · 4 routesAS24482 → AS2914 · 10 routes · best pathAS2914 → AS3356 · 10 routes · best pathAS3356 → AS21433 · 32 routes · best pathAS21433 → 170.251.146.0/23 · 56 routes · best path7AS199524 → AS174 · 7 routes24AS174 → AS21433 · 24 routes6AS8218 → AS6461 · 6 routes11AS6461 → AS174 · 11 routes5AS49544 → AS3356 · 5 routes4AS9002 → AS3356 · 4 routes10AS24482 → AS2914 · 10 routes · best path10AS2914 → AS3356 · 10 routes · best path32AS3356 → AS21433 · 32 routes · best path56AS21433 → 170.251.146.0/23 · 56 routes · best pathAS21433AccentureFSSCAccenture UK LimitedAS21433 AccentureFSSC Accenture UK Limited · origin · 56 routes · on the best pathT1AS3356Level 3 Parent, LLCAS3356 Level 3 Parent, LLC · Tier 1 · 32 routes · on the best pathT1AS174CogentCommunications, LLCAS174 Cogent Communications, LLC · Tier 1 · 24 routesT1AS6461Zayo BandwidthAS6461 Zayo Bandwidth · Tier 1 · 11 routesAS24482SG.GSAS24482 SG.GS · edge network · 10 routes · on the best pathT1AS2914NTT America, Inc.AS2914 NTT America, Inc. · Tier 1 · 10 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 · 6 routesAS49544i3Dnet i3D.net B.VAS49544 i3Dnet i3D.net B.V · edge network · 5 routesT2AS9002RETN-AS RETN LimitedAS9002 RETN-AS RETN Limited · Tier 2 · 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 10 of 324 peers (3%) number on a line = peers using that link RIS data up to 18:51 UTC what the colours mean 12 of 253 paths drawn 6 quieter networks left out

View JSON Raw upstream

324collector peers
23RIS collectors
253distinct AS paths
3.6average AS hops, 3 to 6

Upstreams

Networks directly in front of the origin.

NetworkPeersShare
AS3356 Level 3 Parent, LLC16350%
AS174 Cogent Communications, LLC16150%

Transit networks

Networks between the collector peer and the origin.

NetworkPeersShare
AS3356 Level 3 Parent, LLC16350%
AS174 Cogent Communications, LLC16150%
AS1299 TWELVE99 Arelion Sweden AB258%
AS2914 NTT America, Inc.247%
AS6461 Zayo Bandwidth103%
AS3320 DTAG Deutsche Telekom AG72%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.72%
AS6939 Hurricane Electric LLC72%
AS1764 NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH62%
AS3257 GTT-BACKBONE GTT Communications Inc.62%

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
1AS24482AS2914AS3356AS21433103%10
2AS199524AS174AS2143372%7
3AS8218AS6461AS174AS2143362%6
4AS6461AS174AS2143352%5
5AS49544AS3356AS2143352%4
6AS9002AS3356AS2143341%4
7AS14840AS3356AS2143341%2
8AS13030AS1299AS174AS2143341%4
9AS48185AS3356AS214333<1%3
10AS35280AS3356AS214333<1%3
11AS25091AS3356AS214333<1%3
12AS6830AS174AS214332<1%2
13AS3320AS3356AS214332<1%2
14AS2914AS3356AS214332<1%2
15AS6424AS174AS214332<1%2
16AS25160AS174AS214332<1%2
17AS1299AS174AS214332<1%2
18AS50628AS3356AS214332<1%2
19AS31027AS3356AS214332<1%1
20AS8529AS3356AS214332<1%2
21AS3491AS174AS214332<1%2
22AS15547AS174AS214332<1%2
23AS12779AS174AS214332<1%2
24AS59890AS3356AS214332<1%2
25AS271253AS3356AS214332<1%1
26AS2497AS174AS214332<1%2
27AS19151AS174AS214332<1%2
28AS917AS60068AS174AS214332<1%2
29AS58057AS34549AS174AS214332<1%2
30AS35710AS3320AS3356AS214332<1%2
31AS51185AS6762AS174AS214332<1%2
32AS14907AS2914AS3356AS214332<1%2
33AS51184AS1764AS174AS214332<1%2
34AS48362AS1764AS174AS214332<1%2
35AS34019AS25091AS3356AS214332<1%2
36AS47147AS3320AS3356AS214332<1%2
37AS47147AS1299AS174AS214332<1%2
38AS20612AS9044AS174AS214332<1%1
39AS142289AS9583AS4755AS6453AS174AS214332<1%1
40AS15692AS174AS214331<1%1
41AS6894AS174AS214331<1%1
42AS31742AS174AS214331<1%1
43AS3257AS3356AS214331<1%1
44AS3491AS3356AS214331<1%1
45AS62167AS3356AS214331<1%1
46AS39122AS174AS214331<1%1
47AS3170AS174AS214331<1%1
48AS7018AS3356AS214331<1%1
49AS132825AS3356AS214331<1%1
50AS22652AS174AS214331<1%1

50 of 253 paths shown. All of them are in the JSON.

More prefixes from AS21433

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 18:51 UTC, fetched just now.