bgpmap

BGP map for 2a12:cb41:80c::/48

2a12:cb41:80c::/48 is announced by AS204921 YunZheng-Network and seen by 325 peers of 23 RIPE RIS collectors, over 245 different AS paths. All of those routes reach it through one upstream, AS20473 The Constant Company, LLC. The most common path, used by 11 peers, is AS24482 AS37271 AS20473 AS204921.

Routes checked 19:42:32 UTC

No change in the origin, the upstreams or the number of peers since 19:42 UTC, when this site first looked at 2a12:cb41:80c::/48.

AS-path graph toward 2a12:cb41:80c::/48
BGP map of 2a12:cb41:80c::/4810 networks on the paths RIPE RIS collector peers use to reach 2a12:cb41:80c::/48. Best path, chosen by the most peers: AS24482 → AS37271 → AS20473 → AS204921.AS8218 → AS37271 · 7 routesAS6461 → AS37271 · 5 routesAS9002 → AS2914 · 5 routesAS2914 → AS37271 · 8 routesAS13030 → AS37271 · 4 routesAS24482 → AS37271 · 11 routes · best pathAS37271 → AS20473 · 55 routes · best pathAS20473 → AS204921 · 55 routes · best pathAS204921 → 2a12:cb41:80c::/48 · 55 routes · best path7AS8218 → AS37271 · 7 routes5AS6461 → AS37271 · 5 routes5AS9002 → AS2914 · 5 routes8AS2914 → AS37271 · 8 routes4AS13030 → AS37271 · 4 routes11AS24482 → AS37271 · 11 routes · best path55AS37271 → AS20473 · 55 routes · best path55AS20473 → AS204921 · 55 routes · best path55AS204921 → 2a12:cb41:80c::/48 · 55 routes · best pathAS37271WorkonlineCommunications(Pty) LtdAS37271 Workonline Communications(Pty) Ltd · transit · 55 routes · on the best pathAS20473The ConstantCompany, LLCAS20473 The Constant Company, LLC · transit · 55 routes · on the best pathAS204921YunZheng-Networkzhenyun sunAS204921 YunZheng-Network zhenyun sun · origin · 55 routes · on the best pathAS24482SG.GSAS24482 SG.GS · edge network · 11 routes · on the best pathT1AS2914NTT America, Inc.AS2914 NTT America, Inc. · Tier 1 · 8 routesAS8218NEO-ASN ZayoInfrastructure France SAAS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 7 routesT1AS6461Zayo BandwidthAS6461 Zayo Bandwidth · Tier 1 · 5 routesT2AS9002RETN-AS RETN LimitedAS9002 RETN-AS RETN Limited · Tier 2 · 5 routesT2AS13030INIT7 Init7(Switzerland) Ltd.AS13030 INIT7 Init7 (Switzerland) Ltd. · Tier 2 · 4 routesAS14840BR.Digital TelecomAS14840 BR.Digital Telecom · edge network · 4 routes2a12:cb41:80c::/482a12:cb41:80c::/48

origin Tier 1Tier 2transitedge network prefix best path: chosen by 11 of 325 peers (3%) number on a line = peers using that link RIS data up to 19:42 UTC what the colours mean 12 of 245 paths drawn 6 quieter networks left out

Download PNG View JSON Raw upstream

325collector peers
23RIS collectors
245distinct AS paths
4.7average AS hops, 2 to 8

Upstreams

Networks directly in front of the origin.

NetworkPeersShare
AS20473 The Constant Company, LLC325100%

Transit networks

Networks between the collector peer and the origin.

NetworkPeersShare
AS20473 The Constant Company, LLC324100%
AS37271 Workonline Communications(Pty) Ltd31196%
AS174 Cogent Communications, LLC7022%
AS2914 NTT America, Inc.4514%
AS1299 TWELVE99 Arelion Sweden AB72%
AS3320 DTAG Deutsche Telekom AG62%
AS6461 Zayo Bandwidth62%
AS3356 Level 3 Parent, LLC52%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.52%
AS35280 F5 F5 Networks SARL41%

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
1AS24482AS37271AS20473AS204921113%11
2AS8218AS37271AS20473AS20492172%6
3AS6461AS37271AS20473AS20492152%5
4AS9002AS2914AS37271AS20473AS20492152%5
5AS13030AS37271AS20473AS20492141%4
6AS12779AS37271AS20473AS20492141%4
7AS14840AS174AS37271AS20473AS20492141%2
8AS2914AS37271AS20473AS2049213<1%3
9AS48185AS37271AS20473AS2049213<1%3
10AS34019AS37271AS20473AS2049213<1%3
11AS48362AS37271AS20473AS2049213<1%3
12AS15547AS37271AS20473AS2049213<1%3
13AS25091AS37271AS20473AS2049213<1%3
14AS199524AS174AS37271AS20473AS2049213<1%3
15AS31027AS37271AS20473AS2049212<1%1
16AS51185AS37271AS20473AS2049212<1%2
17AS8529AS37271AS20473AS2049212<1%2
18AS3214AS37271AS20473AS2049212<1%2
19AS47147AS37271AS20473AS2049212<1%2
20AS47692AS37271AS20473AS2049212<1%2
21AS51184AS37271AS20473AS2049212<1%2
22AS199524AS37271AS20473AS2049212<1%2
23AS3320AS37271AS20473AS2049212<1%2
24AS12859AS37271AS20473AS2049212<1%1
25AS25160AS37271AS20473AS2049212<1%2
26AS49544AS37271AS20473AS2049212<1%2
27AS212483AS37271AS20473AS2049212<1%1
28AS28917AS37271AS20473AS2049212<1%1
29AS19151AS174AS37271AS20473AS2049212<1%2
30AS852AS3320AS37271AS20473AS2049212<1%2
31AS14907AS2914AS37271AS20473AS2049212<1%2
32AS37721AS1273AS37271AS20473AS2049212<1%1
33AS49544AS2914AS37271AS20473AS2049212<1%2
34AS35710AS3320AS37271AS20473AS2049212<1%2
35AS1299AS174AS37271AS20473AS2049212<1%2
36AS3257AS174AS37271AS20473AS2049212<1%2
37AS6667AS174AS37271AS20473AS2049212<1%2
38AS6830AS174AS37271AS20473AS2049212<1%2
39AS62167AS174AS37271AS20473AS2049212<1%2
40AS59890AS174AS37271AS20473AS2049212<1%2
41AS20612AS8758AS37271AS20473AS2049212<1%1
42AS3491AS174AS37271AS20473AS2049212<1%2
43AS35280AS2914AS37271AS20473AS2049212<1%2
44AS1403AS577AS174AS37271AS20473AS2049212<1%1
45AS49544AS3356AS2914AS37271AS20473AS2049212<1%1
46AS142289AS9583AS2914AS37271AS20473AS2049212<1%1
47AS206271AS60707AS12735AS9121AS2914AS37271AS20473AS2049212<1%1
48AS20473AS2049211<1%1
49AS36236AS20473AS2049211<1%1
50AS37271AS20473AS2049211<1%1

50 of 245 paths shown. All of them are in the JSON.

More prefixes from AS204921

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 19:42 UTC, fetched just now.