BGP map for 203.118.21.0/24

203.118.21.0/24 is announced by AS4657 StarHub Ltd and seen by 357 peers of 23 RIPE RIS collectors, over 270 different AS paths. Its busiest upstreams are AS23764 CTGNet (22%), AS9002 RETN-AS (13%) and AS1299 TWELVE99 (8%). The most common path, used by 8 peers, is AS24482 AS4657.

Routes checked 20:20:54 UTC

No change in the origin, the upstreams or the number of peers since 20:20 UTC, when this site first looked at 203.118.21.0/24.

AS-path graph toward 203.118.21.0/24

origin Tier 1Tier 2transitedge network prefix best path: chosen by 8 of 357 peers (2%) number on a line = peers using that link RIS data up to 20:20 UTC what the colours mean 12 of 270 paths drawn 6 quieter networks left out

Download PNG View JSON Raw upstream

357collector peers

23RIS collectors

270distinct AS paths

2.7average AS hops, 1 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS23764 CTGNet	77	22%
AS9002 RETN-AS RETN Limited	45	13%
AS1299 TWELVE99 Arelion Sweden AB	27	8%
AS174 Cogent Communications, LLC	14	4%
AS4637 Telstra Global	12	3%
AS2914 NTT America, Inc.	11	3%
AS6939 Hurricane Electric LLC	11	3%
AS24482 SG.GS	8	2%
AS8218 NEO-ASN Zayo Infrastructure France SA	7	2%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	5	1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS23764 CTGNet	69	19%
AS9002 RETN-AS RETN Limited	41	11%
AS1299 TWELVE99 Arelion Sweden AB	25	7%
AS174 Cogent Communications, LLC	14	4%
AS4637 Telstra Global	12	3%
AS6939 Hurricane Electric LLC	11	3%
AS2914 NTT America, Inc.	8	2%
AS3356 Level 3 Parent, LLC	5	1%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	4	1%
AS3257 GTT-BACKBONE GTT Communications Inc.	4	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	AS24482 AS4657	8	2%	8
2	AS23764 AS4657	8	2%	7
3	AS8218 AS4657	7	2%	6
4	AS6461 AS4637 AS4657	5	1%	5
5	AS9002 AS4657	4	1%	4
6	AS12779 AS4657	4	1%	4
7	AS47147 AS4657	4	1%	4
8	AS14840 AS23764 AS4657	4	1%	2
9	AS199524 AS1299 AS4657	4	1%	4
10	AS2914 AS4657	3	<1%	3
11	AS48185 AS4657	3	<1%	3
12	AS51185 AS4657	3	<1%	3
13	AS14907 AS4657	3	<1%	3
14	AS199524 AS4657	3	<1%	3
15	AS49544 AS4657	3	<1%	3
16	AS34019 AS4657	3	<1%	3
17	AS25091 AS4657	3	<1%	3
18	AS48362 AS4657	3	<1%	3
19	AS24482 AS23764 AS4657	3	<1%	3
20	AS35280 AS6453 AS9002 AS4657	3	<1%	3
21	AS62167 AS4657	2	<1%	2
22	AS25160 AS4657	2	<1%	2
23	AS34927 AS4657	2	<1%	2
24	AS3214 AS4657	2	<1%	2
25	AS1299 AS4657	2	<1%	2
26	AS8529 AS4657	2	<1%	2
27	AS212483 AS4657	2	<1%	1
28	AS15547 AS4657	2	<1%	2
29	AS51184 AS4657	2	<1%	2
30	AS2497 AS4657	2	<1%	2
31	AS3491 AS1299 AS4657	2	<1%	2
32	AS13030 AS23764 AS4657	2	<1%	2
33	AS50628 AS23764 AS4657	2	<1%	2
34	AS58057 AS34549 AS4657	2	<1%	2
35	AS31027 AS9002 AS4657	2	<1%	1
36	AS35710 AS23764 AS4657	2	<1%	2
37	AS13030 AS4637 AS4657	2	<1%	2
38	AS6762 AS9002 AS4657	2	<1%	2
39	AS47692 AS2914 AS4657	2	<1%	2
40	AS59890 AS6939 AS4657	2	<1%	2
41	AS20612 AS9044 AS4657	2	<1%	1
42	AS271253 AS174 AS4657	2	<1%	1
43	AS199524 AS23764 AS4657	2	<1%	2
44	AS19151 AS4637 AS4657	2	<1%	2
45	AS49544 AS3356 AS9002 AS4657	2	<1%	1
46	AS142289 AS9583 AS9002 AS4657	2	<1%	1
47	AS4657	1	<1%	1
48	AS48070 AS4657	1	<1%	1
49	AS31742 AS4657	1	<1%	1
50	AS35266 AS4657	1	<1%	1

50 of 270 paths shown. All of them are in the JSON.

More prefixes from AS4657

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 20:20 UTC, fetched just now.