bgpmap

BGP map for 2001:da8:257::/48

2001:da8:257::/48 is announced by AS4538 China Education and Research Network Center and seen by 344 peers of 23 RIPE RIS collectors, over 234 different AS paths. Its busiest upstreams are AS23910 China Next Generation Internet CERNET2 (99%) and AS4837 CHINA UNICOM China169 Backbone (1%). The most common path, used by 21 peers, is AS6939 AS23911 AS23910 AS4538.

Routes checked 22:43:07 UTC

No change in the origin, the upstreams or the number of peers since 18:34 UTC on 25 Oct, when this site first looked at 2001:da8:257::/48.

AS-path graph toward 2001:da8:257::/48
BGP map of 2001:da8:257::/489 networks on the paths RIPE RIS collector peers use to reach 2001:da8:257::/48. Best path, chosen by the most peers: AS6939 → AS23911 → AS23910 → AS4538.AS24482 → AS6939 · 8 routesAS8218 → AS6939 · 6 routesAS9002 → AS6939 · 5 routesAS6461 → AS6939 · 5 routesAS13030 → AS6939 · 4 routesAS6939 → AS23911 · 73 routes · best pathAS23911 → AS23910 · 73 routes · best pathAS23910 → AS4538 · 73 routes · best pathAS4538 → 2001:da8:257::/48 · 73 routes · best path8AS24482 → AS6939 · 8 routes6AS8218 → AS6939 · 6 routes5AS9002 → AS6939 · 5 routes5AS6461 → AS6939 · 5 routes4AS13030 → AS6939 · 4 routes73AS6939 → AS23911 · 73 routes · best path73AS23911 → AS23910 · 73 routes · best path73AS23910 → AS4538 · 73 routes · best path73AS4538 → 2001:da8:257::/48 · 73 routes · best pathT2AS6939Hurricane Electric LLCAS6939 Hurricane Electric LLC · Tier 2 · 73 routes · on the best pathAS23911China Next GenerationInternet Beijing IXAS23911 China Next Generation Internet Beijing IX · transit · 73 routes · on the best pathAS23910China Next GenerationInternet CERNET2AS23910 China Next Generation Internet CERNET2 · transit · 73 routes · on the best pathAS4538China Education andResearch Network CenterAS4538 China Education and Research Network Center · origin · 73 routes · on the best pathAS24482SG.GSAS24482 SG.GS · edge network · 8 routesAS8218NEO-ASN ZayoInfrastructure France SAAS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 6 routesT2AS9002RETN-AS RETN LimitedAS9002 RETN-AS RETN Limited · Tier 2 · 5 routesT1AS6461Zayo BandwidthAS6461 Zayo Bandwidth · Tier 1 · 5 routesT2AS13030INIT7 Init7(Switzerland) Ltd.AS13030 INIT7 Init7 (Switzerland) Ltd. · Tier 2 · 4 routes2001:da8:257::/482001:da8:257::/48

origin Tier 1Tier 2transitedge network prefix best path: chosen by 21 of 344 peers (6%) number on a line = peers using that link RIS data up to 22:42 UTC what the colours mean 12 of 234 paths drawn 6 quieter networks left out

View JSON Raw upstream

344collector peers
23RIS collectors
234distinct AS paths
5.1average AS hops, 3 to 7

Upstreams

Networks directly in front of the origin.

NetworkPeersShare
AS23910 China Next Generation Internet CERNET234099%
AS4837 CHINA UNICOM China169 Backbone41%

Transit networks

Networks between the collector peer and the origin.

NetworkPeersShare
AS23911 China Next Generation Internet Beijing IX34099%
AS23910 China Next Generation Internet CERNET234099%
AS6939 Hurricane Electric LLC30087%
AS3491 PCCW Global (HK) Ltd.51%
AS1299 TWELVE99 Arelion Sweden AB51%
AS4837 CHINA UNICOM China169 Backbone41%
AS20965 GEANT GEANT Vereniging41%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.3<1%
AS9583 Sify Limited2<1%
AS3320 DTAG Deutsche Telekom AG2<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
1AS6939AS23911AS23910AS4538216%16
2AS24482AS6939AS23911AS23910AS453882%8
3AS8218AS6939AS23911AS23910AS453862%5
4AS9002AS6939AS23911AS23910AS453851%5
5AS6461AS6939AS23911AS23910AS453851%5
6AS13030AS6939AS23911AS23910AS453841%4
7AS199524AS6939AS23911AS23910AS453841%4
8AS14907AS6939AS23911AS23910AS453841%4
9AS58057AS6939AS23911AS23910AS453841%3
10AS34927AS6939AS23911AS23910AS453841%3
11AS14840AS6939AS23911AS23910AS453841%2
12AS49544AS6939AS23911AS23910AS453841%4
13AS199524AS3491AS23911AS23910AS45383<1%3
14AS2914AS6939AS23911AS23910AS45383<1%3
15AS48185AS6939AS23911AS23910AS45383<1%3
16AS3214AS6939AS23911AS23910AS45383<1%3
17AS12779AS6939AS23911AS23910AS45383<1%3
18AS34019AS6939AS23911AS23910AS45383<1%3
19AS48362AS6939AS23911AS23910AS45383<1%3
20AS35280AS6939AS23911AS23910AS45383<1%3
21AS15547AS6939AS23911AS23910AS45383<1%3
22AS25091AS6939AS23911AS23910AS45383<1%3
23AS2497AS4837AS45382<1%2
24AS3491AS23911AS23910AS45382<1%2
25AS19151AS6939AS23911AS23910AS45382<1%2
26AS51185AS6939AS23911AS23910AS45382<1%2
27AS6762AS6939AS23911AS23910AS45382<1%2
28AS852AS6939AS23911AS23910AS45382<1%2
29AS1403AS6939AS23911AS23910AS45382<1%1
30AS50628AS6939AS23911AS23910AS45382<1%2
31AS8529AS6939AS23911AS23910AS45382<1%2
32AS35710AS6939AS23911AS23910AS45382<1%2
33AS1299AS6939AS23911AS23910AS45382<1%2
34AS3257AS6939AS23911AS23910AS45382<1%2
35AS6667AS6939AS23911AS23910AS45382<1%2
36AS47692AS6939AS23911AS23910AS45382<1%2
37AS51184AS6939AS23911AS23910AS45382<1%2
38AS3320AS6939AS23911AS23910AS45382<1%2
39AS12859AS6939AS23911AS23910AS45382<1%1
40AS25160AS6939AS23911AS23910AS45382<1%2
41AS6424AS6939AS23911AS23910AS45382<1%2
42AS42473AS6939AS23911AS23910AS45382<1%2
43AS62167AS6939AS23911AS23910AS45382<1%2
44AS202032AS6939AS23911AS23910AS45382<1%2
45AS28917AS6939AS23911AS23910AS45382<1%1
46AS59890AS6939AS23911AS23910AS45382<1%2
47AS20612AS6939AS23911AS23910AS45382<1%1
48AS142289AS9583AS6939AS23911AS23910AS45382<1%1
49AS47147AS3320AS6939AS23911AS23910AS45382<1%2
50AS47147AS1299AS6939AS23911AS23910AS45382<1%2

50 of 234 paths shown. All of them are in the JSON.

More prefixes from AS4538

Routes seen by RIPE RIS in the 24 hours up to 31 Oct 2026, 22:42 UTC, fetched just now.