bgpmap

BGP map for 170.251.178.0/23

170.251.178.0/23 is announced by AS21433 AccentureFSSC and seen by 335 peers of 23 RIPE RIS collectors, over 261 different AS paths. Its busiest upstreams are AS12874 FASTWEB (59%) and AS28716 RETELIT-AS (41%). The most common path, used by 10 peers, is AS24482 AS28716 AS21433.

Routes checked 17:20:04 UTC

No change in the origin, the upstreams or the number of peers since 20:47 UTC on 25 Oct, when this site first looked at 170.251.178.0/23.

AS-path graph toward 170.251.178.0/23
BGP map of 170.251.178.0/2313 networks on the paths RIPE RIS collector peers use to reach 170.251.178.0/23. Best path, chosen by the most peers: AS24482 → AS28716 → AS21433.AS8218 → AS12874 · 7 routesAS12874 → AS21433 · 27 routesAS6461 → AS12874 · 5 routesAS14840 → AS6762 · 4 routesAS6762 → AS12874 · 7 routesAS199524 → AS1299 · 4 routesAS1299 → AS28716 · 10 routesAS2914 → AS6762 · 3 routesAS3491 → AS1299 · 3 routesAS48185 → AS1299 · 3 routesAS24482 → AS28716 · 10 routes · best pathAS28716 → AS21433 · 26 routes · best pathAS21433 → 170.251.178.0/23 · 53 routes · best path7AS8218 → AS12874 · 7 routes27AS12874 → AS21433 · 27 routes5AS6461 → AS12874 · 5 routes4AS14840 → AS6762 · 4 routes7AS6762 → AS12874 · 7 routes4AS199524 → AS1299 · 4 routes10AS1299 → AS28716 · 10 routes3AS2914 → AS6762 · 3 routes3AS3491 → AS1299 · 3 routes3AS48185 → AS1299 · 3 routes10AS24482 → AS28716 · 10 routes · best path26AS28716 → AS21433 · 26 routes · best path53AS21433 → 170.251.178.0/23 · 53 routes · best pathAS21433AccentureFSSCAccenture UK LimitedAS21433 AccentureFSSC Accenture UK Limited · origin · 53 routes · on the best pathAS12874FASTWEB Fastweb SpAAS12874 FASTWEB Fastweb SpA · transit · 27 routesAS28716RETELIT-AS RetelitDigital Services S.p.A.AS28716 RETELIT-AS Retelit Digital Services S.p.A. · transit · 26 routes · on the best pathAS24482SG.GSAS24482 SG.GS · edge network · 10 routes · on the best pathT1AS1299TWELVE99 ArelionSweden ABAS1299 TWELVE99 Arelion Sweden AB · Tier 1 · 10 routesAS8218NEO-ASN ZayoInfrastructure France SAAS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 7 routesT1AS6762SEABONE-NET TELECOMITALIA SPARKLE S.p.A.AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A. · Tier 1 · 7 routesT1AS6461Zayo BandwidthAS6461 Zayo Bandwidth · Tier 1 · 5 routesAS14840BR.Digital TelecomAS14840 BR.Digital Telecom · edge network · 4 routesAS199524GCORE G-Core Labs S.A.AS199524 GCORE G-Core Labs S.A. · edge network · 4 routesT1AS2914NTT America, Inc.AS2914 NTT America, Inc. · Tier 1 · 3 routesT1AS3491PCCW Global (HK) Ltd.AS3491 PCCW Global (HK) Ltd. · Tier 1 · 3 routesAS48185team_blue team.blue NVAS48185 team_blue team.blue NV · edge network · 3 routes170.251.178.0/23170.251.178.0/23

origin Tier 1transitedge network prefix best path: chosen by 10 of 335 peers (3%) number on a line = peers using that link RIS data up to 17:19 UTC what the colours mean 12 of 261 paths drawn 4 quieter networks left out

View JSON Raw upstream

335collector peers
23RIS collectors
261distinct AS paths
4.1average AS hops, 2 to 7

Upstreams

Networks directly in front of the origin.

NetworkPeersShare
AS12874 FASTWEB Fastweb SpA19959%
AS28716 RETELIT-AS Retelit Digital Services S.p.A.13641%

Transit networks

Networks between the collector peer and the origin.

NetworkPeersShare
AS12874 FASTWEB Fastweb SpA19959%
AS28716 RETELIT-AS Retelit Digital Services S.p.A.13540%
AS1299 TWELVE99 Arelion Sweden AB8325%
AS3303 SWISSCOM Swisscom (Schweiz) AG7422%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.3210%
AS9002 RETN-AS RETN Limited103%
AS3356 Level 3 Parent, LLC93%
AS2914 NTT America, Inc.82%
AS6939 Hurricane Electric LLC82%
AS174 Cogent Communications, LLC82%

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
1AS24482AS28716AS21433103%10
2AS8218AS12874AS2143372%6
3AS6461AS12874AS2143351%5
4AS3303AS12874AS2143341%4
5AS9002AS12874AS2143341%4
6AS14840AS6762AS12874AS2143341%2
7AS199524AS1299AS28716AS2143341%4
8AS13030AS28716AS214333<1%3
9AS34019AS28716AS214333<1%3
10AS2914AS6762AS12874AS214333<1%3
11AS3491AS1299AS28716AS214333<1%3
12AS48185AS1299AS28716AS214333<1%3
13AS34927AS1299AS28716AS214333<1%3
14AS3214AS3303AS12874AS214333<1%3
15AS25091AS3303AS12874AS214333<1%3
16AS48362AS3303AS12874AS214333<1%3
17AS199524AS6762AS12874AS214333<1%3
18AS3320AS28716AS214332<1%2
19AS1299AS28716AS214332<1%2
20AS8529AS28716AS214332<1%2
21AS51185AS12874AS214332<1%2
22AS6762AS12874AS214332<1%2
23AS49544AS12874AS214332<1%2
24AS917AS60068AS12874AS214332<1%2
25AS25160AS1299AS28716AS214332<1%2
26AS58057AS34549AS12874AS214332<1%2
27AS35710AS3320AS28716AS214332<1%2
28AS14907AS3303AS12874AS214332<1%2
29AS15547AS3303AS12874AS214332<1%2
30AS51184AS1764AS28716AS214332<1%2
31AS47147AS1299AS28716AS214332<1%2
32AS59890AS60068AS12874AS214332<1%2
33AS20612AS9044AS12874AS214332<1%1
34AS58057AS1836AS3303AS12874AS214332<1%2
35AS49544AS3356AS1299AS28716AS214332<1%1
36AS31027AS6797AS3303AS12874AS214332<1%1
37AS49544AS2914AS6762AS12874AS214332<1%2
38AS47692AS2914AS3303AS12874AS214332<1%2
39AS19151AS2914AS1299AS28716AS214332<1%2
40AS142289AS9583AS6453AS1299AS28716AS214332<1%1
41AS28716AS214331<1%1
42AS12969AS12874AS214331<1%1
43AS59919AS28716AS214331<1%1
44AS34549AS12874AS214331<1%1
45AS2027AS28716AS214331<1%1
46AS16347AS12874AS214331<1%1
47AS8426AS28716AS214331<1%1
48AS12779AS12874AS214331<1%1
49AS29075AS12874AS214331<1%1
50AS56987AS28716AS214331<1%1

50 of 261 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, 17:19 UTC, fetched just now.