bgpmap

BGP map for 170.248.104.0/21

170.248.104.0/21 is announced by AS3573 Accenture LLP and seen by 353 peers of 23 RIPE RIS collectors, over 260 different AS paths. Its busiest upstreams are AS8220 COLT (50%) and AS13237 LAMBDANET-AS (50%). The most common path, used by 14 peers, is AS8220 AS3573.

Routes checked 08:29:23 UTC

No change in the origin, the upstreams or the number of peers since 03:57 UTC on 29 Oct, when this site first looked at 170.248.104.0/21.

AS-path graph toward 170.248.104.0/21
BGP map of 170.248.104.0/219 networks on the paths RIPE RIS collector peers use to reach 170.248.104.0/21. Best path, chosen by the most peers: AS8220 → AS3573.AS24482 → AS8220 · 7 routesAS13237 → AS3573 · 14 routesAS8218 → AS8220 · 6 routesAS6461 → AS8220 · 5 routesAS14907 → AS8220 · 4 routesAS14840 → AS13237 · 4 routesAS8220 → AS3573 · 51 routes · best pathAS3573 → 170.248.104.0/21 · 65 routes · best path7AS24482 → AS8220 · 7 routes14AS13237 → AS3573 · 14 routes6AS8218 → AS8220 · 6 routes5AS6461 → AS8220 · 5 routes4AS14907 → AS8220 · 4 routes4AS14840 → AS13237 · 4 routes51AS8220 → AS3573 · 51 routes · best path65AS3573 → 170.248.104.0/21 · 65 routes · best pathAS3573Accenture LLPAS3573 Accenture LLP · origin · 65 routes · on the best pathT2AS8220COLT COLT TechnologyServices Group LimitedAS8220 COLT COLT Technology Services Group Limited · Tier 2 · 51 routes · on the best pathAS13237LAMBDANET-ASeuNetworks GmbHAS13237 LAMBDANET-AS euNetworks GmbH · transit · 14 routesAS24482SG.GSAS24482 SG.GS · edge network · 7 routesAS8218NEO-ASN ZayoInfrastructure France SAAS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 6 routesT1AS6461Zayo BandwidthAS6461 Zayo Bandwidth · Tier 1 · 5 routesAS14907Wikimedia Foundation Inc.AS14907 Wikimedia Foundation Inc. · edge network · 4 routesAS14840BR.Digital TelecomAS14840 BR.Digital Telecom · edge network · 4 routesT2AS9002RETN-AS RETN LimitedAS9002 RETN-AS RETN Limited · Tier 2 · 4 routes170.248.104.0/21170.248.104.0/21

origin Tier 1Tier 2transitedge network prefix best path: chosen by 14 of 353 peers (4%) number on a line = peers using that link RIS data up to 08:28 UTC what the colours mean 12 of 260 paths drawn 5 quieter networks left out

View JSON Raw upstream

353collector peers
23RIS collectors
260distinct AS paths
3.4average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

NetworkPeersShare
AS8220 COLT COLT Technology Services Group Limited17750%
AS13237 LAMBDANET-AS euNetworks GmbH17650%

Transit networks

Networks between the collector peer and the origin.

NetworkPeersShare
AS13237 LAMBDANET-AS euNetworks GmbH17048%
AS8220 COLT COLT Technology Services Group Limited16346%
AS3356 Level 3 Parent, LLC216%
AS1299 TWELVE99 Arelion Sweden AB144%
AS3257 GTT-BACKBONE GTT Communications Inc.134%
AS6939 Hurricane Electric LLC93%
AS3491 PCCW Global (HK) Ltd.51%
AS6453 TATA COMMUNICATIONS (AMERICA) INC41%
AS174 Cogent Communications, LLC41%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.3<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
1AS8220AS3573144%13
2AS24482AS8220AS357372%7
3AS13237AS357362%6
4AS8218AS8220AS357362%5
5AS6461AS8220AS357351%5
6AS14907AS8220AS357341%4
7AS14840AS13237AS357341%2
8AS49544AS8220AS357341%4
9AS199524AS8220AS357341%4
10AS47147AS8220AS357341%4
11AS9002AS3257AS13237AS357341%4
12AS13030AS8220AS35733<1%3
13AS48185AS13237AS35733<1%3
14AS34927AS13237AS35733<1%3
15AS3214AS13237AS35733<1%3
16AS51185AS8220AS35733<1%3
17AS35280AS8220AS35733<1%3
18AS34019AS13237AS35733<1%3
19AS25091AS13237AS35733<1%3
20AS48362AS13237AS35733<1%3
21AS62167AS13237AS35732<1%2
22AS25160AS8220AS35732<1%2
23AS12779AS8220AS35732<1%2
24AS42473AS8220AS35732<1%2
25AS51185AS13237AS35732<1%2
26AS50628AS13237AS35732<1%2
27AS35710AS13237AS35732<1%2
28AS8529AS8220AS35732<1%2
29AS3491AS8220AS35732<1%2
30AS212483AS13237AS35732<1%1
31AS15547AS13237AS35732<1%2
32AS24482AS13237AS35732<1%2
33AS51184AS13237AS35732<1%2
34AS47692AS8220AS35732<1%2
35AS58057AS13237AS35732<1%2
36AS59890AS13237AS35732<1%2
37AS20612AS13237AS35732<1%1
38AS202032AS13237AS35732<1%2
39AS2497AS8220AS35732<1%2
40AS19151AS8220AS35732<1%2
41AS2914AS3356AS8220AS35732<1%2
42AS49544AS3356AS8220AS35732<1%1
43AS271253AS3356AS8220AS35732<1%1
44AS142289AS9583AS4755AS6453AS8220AS35732<1%1
45AS48070AS13237AS35731<1%1
46AS6894AS13237AS35731<1%1
47AS31742AS13237AS35731<1%1
48AS35266AS13237AS35731<1%1
49AS1828AS13237AS35731<1%1
50AS28792AS13237AS35731<1%1

50 of 260 paths shown. All of them are in the JSON.

More prefixes from AS3573

Routes seen by RIPE RIS in the 24 hours up to 1 Nov 2026, 08:28 UTC, fetched just now.