BGP map for 121.50.176.0/21

121.50.176.0/21 is announced by AS18046 DongFong Technology Co. Ltd. and seen by 381 peers of 23 RIPE RIS collectors, over 282 different AS paths. Its busiest upstreams are AS17408 AboveNet Communications Taiwan (70%), AS4637 Telstra Global (25%) and AS18041 Taiwan Digital Streaming Co. (<1%). The most common path, used by 23 peers, is AS6939 AS17408 AS18046.

Routes checked 14:59:00 UTC

Recent route changes

8 Nov 14:59 UTCAS174 Cogent Communications, LLC is no longer an upstream (it had 21% of peers)

AS-path graph toward 121.50.176.0/21

origin Tier 1Tier 2transitedge network prefix best path: chosen by 23 of 381 peers (6%) number on a line = peers using that link RIS data up to 14:58 UTC what the colours mean 12 of 282 paths drawn 3 quieter networks left out

View JSON Raw upstream

381collector peers

23RIS collectors

282distinct AS paths

3.8average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS17408 AboveNet Communications Taiwan	265	70%
AS4637 Telstra Global	97	25%
AS18041 Taiwan Digital Streaming Co.	2	<1%
AS9583 Sify Limited	2	<1%
AS38008 Aperture Science Limited	2	<1%
AS9002 RETN-AS RETN Limited	2	<1%
AS38855 Taiwan Digital Streaming Co.	1	<1%
AS24482 SG.GS	1	<1%
AS8529 OMANTEL-AS Zain Omantel International FZ-LLC	1	<1%
AS134823 Sky Digital Co., Ltd.	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS17408 AboveNet Communications Taiwan	265	70%
AS6939 Hurricane Electric LLC	224	59%
AS4637 Telstra Global	96	25%
AS3356 Level 3 Parent, LLC	15	4%
AS15412 FLAG-AS Flag Telecom UK Limited	13	3%
AS9002 RETN-AS RETN Limited	5	1%
AS3303 SWISSCOM Swisscom (Schweiz) AG	4	1%
AS37468 Angola Cables	3	<1%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	3	<1%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	3	<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 origin	Peers	Share	Collectors
1	AS6939 AS17408 AS18046	23	6%	18
2	AS24482 AS6939 AS17408 AS18046	9	2%	9
3	AS8218 AS6939 AS17408 AS18046	7	2%	6
4	AS6461 AS4637 AS18046	5	1%	5
5	AS13030 AS4637 AS18046	4	1%	4
6	AS47147 AS4637 AS18046	4	1%	4
7	AS34927 AS6939 AS17408 AS18046	4	1%	3
8	AS14840 AS6939 AS17408 AS18046	4	1%	2
9	AS9002 AS4637 AS18046	3	<1%	3
10	AS199524 AS4637 AS18046	3	<1%	3
11	AS2914 AS15412 AS17408 AS18046	3	<1%	3
12	AS12779 AS6939 AS17408 AS18046	3	<1%	3
13	AS48185 AS6939 AS17408 AS18046	3	<1%	3
14	AS271253 AS6939 AS17408 AS18046	3	<1%	2
15	AS58057 AS6939 AS17408 AS18046	3	<1%	3
16	AS51185 AS6939 AS17408 AS18046	3	<1%	3
17	AS48362 AS6939 AS17408 AS18046	3	<1%	3
18	AS18041 AS18046	2	<1%	1
19	AS3257 AS4637 AS18046	2	<1%	2
20	AS6830 AS4637 AS18046	2	<1%	2
21	AS3320 AS4637 AS18046	2	<1%	2
22	AS142289 AS9583 AS18046	2	<1%	1
23	AS6762 AS4637 AS18046	2	<1%	2
24	AS49544 AS4637 AS18046	2	<1%	2
25	AS35280 AS4637 AS18046	2	<1%	2
26	AS2497 AS4637 AS18046	2	<1%	2
27	AS19151 AS4637 AS18046	2	<1%	2
28	AS3491 AS6939 AS17408 AS18046	2	<1%	2
29	AS62167 AS6939 AS17408 AS18046	2	<1%	2
30	AS6424 AS6939 AS17408 AS18046	2	<1%	2
31	AS42473 AS6939 AS17408 AS18046	2	<1%	2
32	AS3214 AS6939 AS17408 AS18046	2	<1%	2
33	AS1299 AS15412 AS17408 AS18046	2	<1%	2
34	AS50628 AS6939 AS17408 AS18046	2	<1%	2
35	AS14907 AS6939 AS17408 AS18046	2	<1%	2
36	AS49544 AS6939 AS17408 AS18046	2	<1%	2
37	AS31027 AS6797 AS4637 AS18046	2	<1%	1
38	AS34019 AS6939 AS17408 AS18046	2	<1%	2
39	AS15547 AS3303 AS4637 AS18046	2	<1%	2
40	AS51184 AS6939 AS17408 AS18046	2	<1%	2
41	AS47692 AS6939 AS17408 AS18046	2	<1%	2
42	AS59890 AS6939 AS17408 AS18046	2	<1%	2
43	AS20612 AS6939 AS17408 AS18046	2	<1%	1
44	AS202032 AS6939 AS17408 AS18046	2	<1%	2
45	AS199524 AS6939 AS17408 AS18046	2	<1%	2
46	AS25160 AS2914 AS15412 AS17408 AS18046	2	<1%	2
47	AS4637 AS18046	1	<1%	1
48	AS38855 AS18046	1	<1%	1
49	AS24482 AS18046	1	<1%	1
50	AS38008 AS18046	1	<1%	1

50 of 282 paths shown. All of them are in the JSON.

More prefixes from AS18046

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 14:58 UTC, fetched just now.