bgpmap

BGP map for 63.245.0.0/17

63.245.0.0/17 is announced by AS23520 Columbus Networks USA, Inc. and seen by 329 peers of 23 RIPE RIS collectors, over 255 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (29%), AS6830 LibertyGlobal (27%) and AS174 Cogent Communications, LLC (26%). The most common path, used by 7 peers, is AS8218 AS6830 AS23520.

Routes checked 21:30:06 UTC

No change in the origin, the upstreams or the number of peers since 21:30 UTC, when this site first looked at 63.245.0.0/17.

AS-path graph toward 63.245.0.0/17
BGP map of 63.245.0.0/1711 networks on the paths RIPE RIS collector peers use to reach 63.245.0.0/17. Best path, chosen by the most peers: AS8218 → AS6830 → AS23520.AS24482 → AS2914 · 11 routesAS2914 → AS6830 · 7 routesAS13030 → AS1299 · 4 routesAS1299 → AS23520 · 11 routesAS9002 → AS6830 · 4 routesAS174 → AS23520 · 8 routesAS199524 → AS1299 · 4 routesAS199524 → AS174 · 4 routesAS2914 → AS6762 · 4 routesAS6762 → AS23520 · 10 routesAS8218 → AS6830 · 7 routes · best pathAS6830 → AS23520 · 22 routes · best pathAS23520 → 63.245.0.0/17 · 51 routes · best path11AS24482 → AS2914 · 11 routes7AS2914 → AS6830 · 7 routes4AS13030 → AS1299 · 4 routes11AS1299 → AS23520 · 11 routes4AS9002 → AS6830 · 4 routes8AS174 → AS23520 · 8 routes4AS199524 → AS1299 · 4 routes4AS199524 → AS174 · 4 routes4AS2914 → AS6762 · 4 routes10AS6762 → AS23520 · 10 routes7AS8218 → AS6830 · 7 routes · best path22AS6830 → AS23520 · 22 routes · best path51AS23520 → 63.245.0.0/17 · 51 routes · best pathT2AS23520ColumbusNetworks USA, Inc.AS23520 Columbus Networks USA, Inc. · origin, Tier 2 · 51 routes · on the best pathT1AS6830LibertyGlobal LibertyGlobal Europe Holding B.V.AS6830 LibertyGlobal Liberty Global Europe Holding B.V. · Tier 1 · 22 routes · on the best pathAS24482SG.GSAS24482 SG.GS · edge network · 11 routesT1AS2914NTT America, Inc.AS2914 NTT America, Inc. · Tier 1 · 11 routesT1AS1299TWELVE99 ArelionSweden ABAS1299 TWELVE99 Arelion Sweden AB · Tier 1 · 11 routesT1AS6762SEABONE-NET TELECOMITALIA SPARKLE S.p.A.AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A. · Tier 1 · 10 routesT1AS174CogentCommunications, LLCAS174 Cogent Communications, LLC · Tier 1 · 8 routesAS199524GCORE G-Core Labs S.A.AS199524 GCORE G-Core Labs S.A. · edge network · 8 routesAS8218NEO-ASN ZayoInfrastructure France SAAS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 7 routes · on the best pathT2AS13030INIT7 Init7(Switzerland) Ltd.AS13030 INIT7 Init7 (Switzerland) Ltd. · Tier 2 · 4 routesT2AS9002RETN-AS RETN LimitedAS9002 RETN-AS RETN Limited · Tier 2 · 4 routes63.245.0.0/1763.245.0.0/17

origin Tier 1Tier 2edge network prefix best path: chosen by 7 of 329 peers (2%) number on a line = peers using that link RIS data up to 21:29 UTC what the colours mean 12 of 255 paths drawn 5 quieter networks left out

Download PNG View JSON Raw upstream

329collector peers
23RIS collectors
255distinct AS paths
3.4average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

NetworkPeersShare
AS1299 TWELVE99 Arelion Sweden AB9529%
AS6830 LibertyGlobal Liberty Global Europe Holding B.V.8927%
AS174 Cogent Communications, LLC8726%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.4714%
AS3303 SWISSCOM Swisscom (Schweiz) AG62%
AS60068 CDN77 Datacamp Limited41%
AS199524 GCORE G-Core Labs S.A.1<1%

Transit networks

Networks between the collector peer and the origin.

NetworkPeersShare
AS1299 TWELVE99 Arelion Sweden AB9328%
AS6830 LibertyGlobal Liberty Global Europe Holding B.V.8726%
AS174 Cogent Communications, LLC8726%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.4514%
AS2914 NTT America, Inc.216%
AS3356 Level 3 Parent, LLC93%
AS3303 SWISSCOM Swisscom (Schweiz) AG62%
AS60068 CDN77 Datacamp Limited41%
AS34549 MEER-AS meerfarbig GmbH & Co. KG41%
AS1764 NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH41%

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
1AS8218AS6830AS2352072%6
2AS24482AS2914AS6830AS2352072%7
3AS13030AS1299AS2352041%4
4AS9002AS6830AS2352041%4
5AS12779AS174AS2352041%4
6AS199524AS1299AS2352041%4
7AS199524AS174AS2352041%4
8AS47147AS6830AS2352041%4
9AS24482AS2914AS6762AS2352041%4
10AS48185AS1299AS235203<1%3
11AS14840AS6762AS235203<1%2
12AS51185AS6762AS235203<1%3
13AS25091AS6830AS235203<1%3
14AS6461AS174AS235203<1%3
15AS48362AS1299AS235203<1%3
16AS6830AS235202<1%2
17AS1299AS235202<1%2
18AS6762AS235202<1%2
19AS917AS60068AS235202<1%2
20AS6461AS6830AS235202<1%2
21AS3320AS6830AS235202<1%2
22AS2914AS6830AS235202<1%2
23AS62167AS174AS235202<1%2
24AS25160AS174AS235202<1%2
25AS42473AS1299AS235202<1%2
26AS34927AS1299AS235202<1%2
27AS34927AS6830AS235202<1%2
28AS14907AS1299AS235202<1%2
29AS31027AS1299AS235202<1%1
30AS3491AS174AS235202<1%2
31AS34019AS6830AS235202<1%2
32AS15547AS174AS235202<1%2
33AS49544AS6830AS235202<1%2
34AS59890AS60068AS235202<1%2
35AS271253AS174AS235202<1%1
36AS35280AS1299AS235202<1%2
37AS2497AS174AS235202<1%2
38AS19151AS174AS235202<1%2
39AS58057AS34549AS1299AS235202<1%2
40AS49544AS3356AS1299AS235202<1%1
41AS35710AS3320AS6830AS235202<1%2
42AS51184AS1764AS174AS235202<1%2
43AS47692AS33891AS1299AS235202<1%2
44AS142289AS9583AS4755AS6453AS174AS235202<1%1
45AS199524AS235201<1%1
46AS36924AS1299AS235201<1%1
47AS6894AS174AS235201<1%1
48AS31742AS1299AS235201<1%1
49AS35266AS1299AS235201<1%1
50AS3257AS6830AS235201<1%1

50 of 255 paths shown. All of them are in the JSON.

More prefixes from AS23520

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 21:29 UTC, fetched just now.