BGP map for 203.171.16.0/23

203.171.16.0/23 is announced by AS45903 CMC Telecom Infrastructure Company and seen by 345 peers of 23 RIPE RIS collectors, over 266 different AS paths. Its busiest upstreams are AS2914 NTT America, Inc. (34%), AS9304 HGC Global Communications Limited (30%) and AS7473 Singapore Telecommunications Ltd (19%). The most common path, used by 8 peers, is AS6939 AS15412 AS9304 AS45903.

Routes checked 17:04:54 UTC

No change in the origin, the upstreams or the number of peers since 18:34 UTC on 26 Oct, when this site first looked at 203.171.16.0/23.

AS-path graph toward 203.171.16.0/23

origin Tier 1Tier 2transitedge network prefix best path: chosen by 8 of 345 peers (2%) number on a line = peers using that link RIS data up to 17:04 UTC what the colours mean 12 of 266 paths drawn 2 quieter networks left out

View JSON Raw upstream

345collector peers

23RIS collectors

266distinct AS paths

4.1average AS hops, 2 to 7

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS2914 NTT America, Inc.	116	34%
AS9304 HGC Global Communications Limited	105	30%
AS7473 Singapore Telecommunications Ltd	66	19%
AS3491 PCCW Global (HK) Ltd.	31	9%
AS21859 Zenlayer Inc	10	3%
AS4635 Hong Kong Internet Exchange--Route Server 1	3	<1%
AS9583 Sify Limited	2	<1%
AS8220 COLT COLT Technology Services Group Limited	2	<1%
AS9002 RETN-AS RETN Limited	2	<1%
AS24482 SG.GS	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS2914 NTT America, Inc.	113	33%
AS9304 HGC Global Communications Limited	105	30%
AS15412 FLAG-AS Flag Telecom UK Limited	100	29%
AS7473 Singapore Telecommunications Ltd	66	19%
AS6939 Hurricane Electric LLC	61	18%
AS6461 Zayo Bandwidth	50	14%
AS3491 PCCW Global (HK) Ltd.	28	8%
AS3356 Level 3 Parent, LLC	26	8%
AS9002 RETN-AS RETN Limited	14	4%
AS21859 Zenlayer Inc	10	3%

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 AS15412 AS9304 AS45903	8	2%	8
2	AS8218 AS6461 AS7473 AS45903	7	2%	6
3	AS24482 AS6461 AS7473 AS45903	7	2%	7
4	AS6461 AS7473 AS45903	5	1%	5
5	AS13030 AS3491 AS45903	4	1%	4
6	AS14840 AS15412 AS9304 AS45903	4	1%	2
7	AS2914 AS45903	3	<1%	3
8	AS3491 AS45903	3	<1%	3
9	AS9002 AS2914 AS45903	3	<1%	3
10	AS48185 AS6461 AS7473 AS45903	3	<1%	3
11	AS47147 AS3320 AS2914 AS45903	3	<1%	3
12	AS25091 AS6461 AS7473 AS45903	3	<1%	3
13	AS34927 AS6939 AS15412 AS9304 AS45903	3	<1%	3
14	AS48362 AS6939 AS15412 AS9304 AS45903	3	<1%	3
15	AS3257 AS3491 AS45903	2	<1%	2
16	AS6830 AS2914 AS45903	2	<1%	2
17	AS3320 AS2914 AS45903	2	<1%	2
18	AS25160 AS2914 AS45903	2	<1%	2
19	AS1299 AS7473 AS45903	2	<1%	2
20	AS14907 AS2914 AS45903	2	<1%	2
21	AS142289 AS9583 AS45903	2	<1%	1
22	AS49544 AS3491 AS45903	2	<1%	2
23	AS15547 AS8220 AS45903	2	<1%	2
24	AS47692 AS2914 AS45903	2	<1%	2
25	AS35280 AS2914 AS45903	2	<1%	2
26	AS2497 AS2914 AS45903	2	<1%	2
27	AS62167 AS15412 AS9304 AS45903	2	<1%	2
28	AS42473 AS9002 AS2914 AS45903	2	<1%	2
29	AS3214 AS6461 AS7473 AS45903	2	<1%	2
30	AS49544 AS3356 AS2914 AS45903	2	<1%	1
31	AS18041 AS15412 AS9304 AS45903	2	<1%	1
32	AS35710 AS3320 AS2914 AS45903	2	<1%	2
33	AS212483 AS15412 AS9304 AS45903	2	<1%	1
34	AS34019 AS3303 AS2914 AS45903	2	<1%	2
35	AS199524 AS15412 AS9304 AS45903	2	<1%	2
36	AS12779 AS6461 AS7473 AS45903	2	<1%	2
37	AS6762 AS15412 AS9304 AS45903	2	<1%	2
38	AS51184 AS47692 AS2914 AS45903	2	<1%	2
39	AS59890 AS3356 AS2914 AS45903	2	<1%	2
40	AS271253 AS3356 AS2914 AS45903	2	<1%	1
41	AS19151 AS15412 AS9304 AS45903	2	<1%	2
42	AS917 AS60068 AS15412 AS9304 AS45903	2	<1%	2
43	AS6424 AS6939 AS15412 AS9304 AS45903	2	<1%	2
44	AS58057 AS34549 AS6461 AS7473 AS45903	2	<1%	2
45	AS31027 AS6797 AS6461 AS7473 AS45903	2	<1%	1
46	AS51185 AS6762 AS15412 AS9304 AS45903	2	<1%	2
47	AS20612 AS8758 AS6461 AS7473 AS45903	2	<1%	1
48	AS24482 AS6939 AS15412 AS9304 AS45903	2	<1%	2
49	AS24482 AS45903	1	<1%	1
50	AS36236 AS45903	1	<1%	1

50 of 266 paths shown. All of them are in the JSON.

More prefixes from AS45903

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 17:04 UTC, fetched just now.