bgpmap

BGP map for 157.100.0.0/19

157.100.0.0/19 is announced by AS27947 Telconet S.A and seen by 327 peers of 23 RIPE RIS collectors, over 258 different AS paths. Its busiest upstreams are AS3356 Level 3 Parent, LLC (44%), AS23520 Columbus Networks USA, Inc. (35%) and AS6762 SEABONE-NET (21%). The most common path, used by 7 peers, is AS8218 AS6830 AS23520 AS27947.

Routes checked 14:24:08 UTC

No change in the origin, the upstreams or the number of peers since 03:45 UTC on 29 Oct, when this site first looked at 157.100.0.0/19.

AS-path graph toward 157.100.0.0/19
BGP map of 157.100.0.0/1913 networks on the paths RIPE RIS collector peers use to reach 157.100.0.0/19. Best path, chosen by the most peers: AS8218 → AS6830 → AS23520 → AS27947.AS24482 → AS2914 · 10 routesAS2914 → AS6762 · 6 routesAS6762 → AS27947 · 12 routesAS6461 → AS3356 · 4 routesAS3356 → AS27947 · 20 routesAS13030 → AS1299 · 4 routesAS1299 → AS23520 · 4 routesAS2914 → AS3356 · 4 routesAS47147 → AS6830 · 4 routesAS3491 → AS3356 · 3 routesAS8218 → AS6830 · 7 routes · best pathAS6830 → AS23520 · 11 routes · best pathAS23520 → AS27947 · 15 routes · best pathAS27947 → 157.100.0.0/19 · 47 routes · best path10AS24482 → AS2914 · 10 routes6AS2914 → AS6762 · 6 routes12AS6762 → AS27947 · 12 routes4AS6461 → AS3356 · 4 routes20AS3356 → AS27947 · 20 routes4AS13030 → AS1299 · 4 routes4AS1299 → AS23520 · 4 routes4AS2914 → AS3356 · 4 routes4AS47147 → AS6830 · 4 routes3AS3491 → AS3356 · 3 routes7AS8218 → AS6830 · 7 routes · best path11AS6830 → AS23520 · 11 routes · best path15AS23520 → AS27947 · 15 routes · best path47AS27947 → 157.100.0.0/19 · 47 routes · best pathAS27947Telconet S.AAS27947 Telconet S.A · origin · 47 routes · on the best pathT1AS3356Level 3 Parent, LLCAS3356 Level 3 Parent, LLC · Tier 1 · 20 routesT2AS23520ColumbusNetworks USA, Inc.AS23520 Columbus Networks USA, Inc. · Tier 2 · 15 routes · on the best pathT1AS6762SEABONE-NET TELECOMITALIA SPARKLE S.p.A.AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A. · Tier 1 · 12 routesT1AS6830LibertyGlobal LibertyGlobal Europe Holding B.V.AS6830 LibertyGlobal Liberty Global Europe Holding B.V. · Tier 1 · 11 routes · on the best pathAS24482SG.GSAS24482 SG.GS · edge network · 10 routesT1AS2914NTT America, Inc.AS2914 NTT America, Inc. · Tier 1 · 10 routesAS8218NEO-ASN ZayoInfrastructure France SAAS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 7 routes · on the best pathT1AS6461Zayo BandwidthAS6461 Zayo Bandwidth · Tier 1 · 4 routesT2AS13030INIT7 Init7(Switzerland) Ltd.AS13030 INIT7 Init7 (Switzerland) Ltd. · Tier 2 · 4 routesT1AS1299TWELVE99 ArelionSweden ABAS1299 TWELVE99 Arelion Sweden AB · Tier 1 · 4 routesAS47147AS-ANX Anexia CloudSolutions GmbHAS47147 AS-ANX Anexia Cloud Solutions GmbH · edge network · 4 routesT1AS3491PCCW Global (HK) Ltd.AS3491 PCCW Global (HK) Ltd. · Tier 1 · 3 routes157.100.0.0/19157.100.0.0/19

origin Tier 1Tier 2edge network prefix best path: chosen by 7 of 327 peers (2%) number on a line = peers using that link RIS data up to 14:23 UTC what the colours mean 12 of 258 paths drawn 5 quieter networks left out

View JSON Raw upstream

327collector peers
23RIS collectors
258distinct AS paths
3.8average AS hops, 2 to 7

Upstreams

Networks directly in front of the origin.

NetworkPeersShare
AS3356 Level 3 Parent, LLC14544%
AS23520 Columbus Networks USA, Inc.11335%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.6821%
AS58453 China Mobile International Limited1<1%

Transit networks

Networks between the collector peer and the origin.

NetworkPeersShare
AS3356 Level 3 Parent, LLC14544%
AS23520 Columbus Networks USA, Inc.11335%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.6620%
AS6830 LibertyGlobal Liberty Global Europe Holding B.V.3511%
AS1299 TWELVE99 Arelion Sweden AB3210%
AS2914 NTT America, Inc.258%
AS174 Cogent Communications, LLC258%
AS3257 GTT-BACKBONE GTT Communications Inc.113%
AS6939 Hurricane Electric LLC113%
AS1764 NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH72%

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
1AS8218AS6830AS23520AS2794772%6
2AS24482AS2914AS6762AS2794762%6
3AS6461AS3356AS2794741%4
4AS13030AS1299AS23520AS2794741%4
5AS24482AS2914AS3356AS2794741%4
6AS47147AS6830AS23520AS2794741%4
7AS3491AS3356AS279473<1%3
8AS9002AS6762AS279473<1%3
9AS48185AS3356AS279473<1%3
10AS49544AS3356AS279473<1%2
11AS14840AS3356AS279473<1%2
12AS51185AS6762AS279473<1%3
13AS35280AS3356AS279473<1%3
14AS199524AS6762AS279473<1%3
15AS12779AS3257AS23520AS279473<1%3
16AS25091AS6830AS23520AS279473<1%3
17AS6762AS279472<1%2
18AS6830AS23520AS279472<1%2
19AS62167AS3356AS279472<1%2
20AS1299AS23520AS279472<1%2
21AS50628AS3356AS279472<1%2
22AS31027AS3356AS279472<1%1
23AS8529AS6762AS279472<1%2
24AS2914AS6762AS279472<1%2
25AS59890AS3356AS279472<1%2
26AS271253AS3356AS279472<1%1
27AS2497AS3356AS279472<1%2
28AS917AS60068AS23520AS279472<1%2
29AS25160AS174AS23520AS279472<1%2
30AS34927AS1299AS23520AS279472<1%2
31AS34927AS6830AS23520AS279472<1%2
32AS35710AS3320AS3356AS279472<1%2
33AS14907AS2914AS3356AS279472<1%2
34AS15547AS174AS23520AS279472<1%2
35AS51184AS1764AS3356AS279472<1%2
36AS48362AS1764AS3356AS279472<1%2
37AS47692AS2914AS3356AS279472<1%2
38AS49544AS6830AS23520AS279472<1%2
39AS19151AS2914AS3356AS279472<1%2
40AS58057AS34549AS1299AS23520AS279472<1%2
41AS20612AS9044AS174AS23520AS279472<1%1
42AS142289AS9583AS4755AS6453AS3356AS279472<1%1
43AS6461AS6762AS279471<1%1
44AS3320AS3356AS279471<1%1
45AS2914AS3356AS279471<1%1
46AS14630AS6762AS279471<1%1
47AS7018AS3356AS279471<1%1
48AS132825AS3356AS279471<1%1
49AS37721AS6762AS279471<1%1
50AS50300AS3356AS279471<1%1

50 of 258 paths shown. All of them are in the JSON.

More prefixes from AS27947

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 14:23 UTC, fetched just now.