bgpmap

BGP map for 121.50.176.0/21

121.50.176.0/21 is announced by AS18046 DongFong Technology Co. Ltd. and seen by 384 peers of 23 RIPE RIS collectors, over 284 different AS paths. Its busiest upstreams are AS17408 AboveNet Communications Taiwan (61%), AS174 Cogent Communications, LLC (20%) and AS4637 Telstra Global (15%). The most common path, used by 23 peers, is AS6939 AS17408 AS18046.

Routes checked 05:21:36 UTC

No change in the origin, the upstreams or the number of peers since 05:21 UTC, when this site first looked at 121.50.176.0/21.

AS-path graph toward 121.50.176.0/21
BGP map of 121.50.176.0/2114 networks on the paths RIPE RIS collector peers use to reach 121.50.176.0/21. Best path, chosen by the most peers: AS6939 → AS17408 → AS18046.AS24482 → AS6939 · 10 routesAS8218 → AS6939 · 7 routesAS199524 → AS174 · 6 routesAS174 → AS18046 · 9 routesAS6461 → AS4637 · 5 routesAS4637 → AS18046 · 16 routesAS13030 → AS4637 · 4 routesAS47147 → AS4637 · 4 routesAS12779 → AS6939 · 4 routesAS34927 → AS6939 · 4 routesAS14840 → AS6939 · 4 routesAS6939 → AS17408 · 52 routes · best pathAS17408 → AS18046 · 52 routes · best pathAS18046 → 121.50.176.0/21 · 77 routes · best path10AS24482 → AS6939 · 10 routes7AS8218 → AS6939 · 7 routes6AS199524 → AS174 · 6 routes9AS174 → AS18046 · 9 routes5AS6461 → AS4637 · 5 routes16AS4637 → AS18046 · 16 routes4AS13030 → AS4637 · 4 routes4AS47147 → AS4637 · 4 routes4AS12779 → AS6939 · 4 routes4AS34927 → AS6939 · 4 routes4AS14840 → AS6939 · 4 routes52AS6939 → AS17408 · 52 routes · best path52AS17408 → AS18046 · 52 routes · best path77AS18046 → 121.50.176.0/21 · 77 routes · best pathAS18046DongFongTechnology Co. Ltd.AS18046 DongFong Technology Co. Ltd. · origin · 77 routes · on the best pathT2AS6939Hurricane Electric LLCAS6939 Hurricane Electric LLC · Tier 2 · 52 routes · on the best pathAS17408AboveNetCommunications TaiwanAS17408 AboveNet Communications Taiwan · transit · 52 routes · on the best pathT2AS4637Telstra GlobalAS4637 Telstra Global · Tier 2 · 16 routesAS24482SG.GSAS24482 SG.GS · edge network · 10 routesT1AS174CogentCommunications, LLCAS174 Cogent Communications, LLC · Tier 1 · 9 routesAS8218NEO-ASN ZayoInfrastructure France SAAS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 7 routesAS199524GCORE G-Core Labs S.A.AS199524 GCORE G-Core Labs S.A. · edge network · 6 routesT1AS6461Zayo BandwidthAS6461 Zayo Bandwidth · Tier 1 · 5 routesT2AS13030INIT7 Init7(Switzerland) Ltd.AS13030 INIT7 Init7 (Switzerland) Ltd. · Tier 2 · 4 routesAS47147AS-ANX Anexia CloudSolutions GmbHAS47147 AS-ANX Anexia Cloud Solutions GmbH · edge network · 4 routesAS12779ITGATE IT.Gate S.p.A.AS12779 ITGATE IT.Gate S.p.A. · edge network · 4 routesAS34927iFog-GmbH iFog GmbHAS34927 iFog-GmbH iFog GmbH · edge network · 4 routesAS14840BR.Digital TelecomAS14840 BR.Digital Telecom · edge network · 4 routes121.50.176.0/21121.50.176.0/21

origin Tier 1Tier 2transitedge network prefix best path: chosen by 23 of 384 peers (6%) number on a line = peers using that link RIS data up to 05:20 UTC what the colours mean 12 of 284 paths drawn 2 quieter networks left out

Download PNG View JSON Raw upstream

384collector peers
23RIS collectors
284distinct AS paths
3.7average AS hops, 2 to 5

Upstreams

Networks directly in front of the origin.

NetworkPeersShare
AS17408 AboveNet Communications Taiwan23661%
AS174 Cogent Communications, LLC7520%
AS4637 Telstra Global5615%
AS18041 Taiwan Digital Streaming Co.2<1%
AS9583 Sify Limited2<1%
AS38855 Taiwan Digital Streaming Co.1<1%
AS24482 SG.GS1<1%
AS142271 EWS DS Networks Inc1<1%
AS8529 OMANTEL-AS Zain Omantel International FZ-LLC1<1%
AS134823 Sky Digital Co., Ltd.1<1%

Transit networks

Networks between the collector peer and the origin.

NetworkPeersShare
AS17408 AboveNet Communications Taiwan23661%
AS6939 Hurricane Electric LLC20353%
AS174 Cogent Communications, LLC7520%
AS4637 Telstra Global5615%
AS15412 FLAG-AS Flag Telecom UK Limited82%
AS3356 Level 3 Parent, LLC72%
AS34549 MEER-AS meerfarbig GmbH & Co. KG3<1%
AS9002 RETN-AS RETN Limited3<1%
AS9583 Sify Limited2<1%
AS50629 LWLCOM LWLcom GmbH2<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
1AS6939AS17408AS18046236%18
2AS24482AS6939AS17408AS18046103%10
3AS8218AS6939AS17408AS1804672%6
4AS199524AS174AS1804662%6
5AS6461AS4637AS1804651%5
6AS13030AS4637AS1804641%4
7AS47147AS4637AS1804641%4
8AS12779AS6939AS17408AS1804641%4
9AS34927AS6939AS17408AS1804641%3
10AS14840AS6939AS17408AS1804641%2
11AS3491AS174AS180463<1%3
12AS9002AS4637AS180463<1%3
13AS2914AS15412AS17408AS180463<1%3
14AS48185AS6939AS17408AS180463<1%3
15AS271253AS6939AS17408AS180463<1%2
16AS51185AS6939AS17408AS180463<1%3
17AS48362AS6939AS17408AS180463<1%3
18AS18041AS180462<1%1
19AS6830AS174AS180462<1%2
20AS3320AS4637AS180462<1%2
21AS25160AS174AS180462<1%2
22AS142289AS9583AS180462<1%1
23AS31027AS4637AS180462<1%1
24AS15547AS174AS180462<1%2
25AS199524AS4637AS180462<1%2
26AS49544AS4637AS180462<1%2
27AS59890AS174AS180462<1%2
28AS35280AS4637AS180462<1%2
29AS19151AS4637AS180462<1%2
30AS62167AS6939AS17408AS180462<1%2
31AS42473AS6939AS17408AS180462<1%2
32AS3214AS6939AS17408AS180462<1%2
33AS1299AS15412AS17408AS180462<1%2
34AS50628AS6939AS17408AS180462<1%2
35AS58057AS34549AS174AS180462<1%2
36AS14907AS6939AS17408AS180462<1%2
37AS49544AS6939AS17408AS180462<1%2
38AS34019AS6939AS17408AS180462<1%2
39AS51184AS6939AS17408AS180462<1%2
40AS47692AS6939AS17408AS180462<1%2
41AS20612AS6939AS17408AS180462<1%1
42AS202032AS6939AS17408AS180462<1%2
43AS38855AS180461<1%1
44AS24482AS180461<1%1
45AS142271AS180461<1%1
46AS8529AS180461<1%1
47AS134823AS180461<1%1
48AS18106AS180461<1%1
49AS14907AS180461<1%1
50AS199524AS180461<1%1

50 of 284 paths shown. All of them are in the JSON.

More prefixes from AS18046

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 05:20 UTC, fetched just now.