BGP map for 203.171.28.0/23

203.171.28.0/23 is announced by AS45903 CMC Telecom Infrastructure Company and seen by 350 peers of 23 RIPE RIS collectors, over 272 different AS paths. Its busiest upstreams are AS9304 HGC Global Communications Limited (23%), AS21859 Zenlayer Inc (21%) and AS7473 Singapore Telecommunications Ltd (9%). The most common path, used by 8 peers, is AS6939 AS15412 AS9304 AS45903.

Routes checked 15:33:45 UTC

No change in the origin, the upstreams or the number of peers since 08:20 UTC on 29 Oct, when this site first looked at 203.171.28.0/23.

AS-path graph toward 203.171.28.0/23

origin Tier 1Tier 2transitedge network prefix best path: chosen by 8 of 350 peers (2%) number on a line = peers using that link RIS data up to 15:33 UTC what the colours mean 12 of 272 paths drawn 5 quieter networks left out

View JSON Raw upstream

350collector peers

23RIS collectors

272distinct AS paths

3.8average AS hops, 1 to 8

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS9304 HGC Global Communications Limited	82	23%
AS21859 Zenlayer Inc	75	21%
AS7473 Singapore Telecommunications Ltd	30	9%
AS3491 PCCW Global (HK) Ltd.	15	4%
AS24482 SG.GS	6	2%
AS14840 BR.Digital Telecom	5	1%
AS34019 HIVANE Hivane Association	5	1%
AS35280 F5 F5 Networks SARL	5	1%
AS47147 AS-ANX Anexia Cloud Solutions GmbH	4	1%
AS12779 ITGATE IT.Gate S.p.A.	4	1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS9304 HGC Global Communications Limited	82	23%
AS15412 FLAG-AS Flag Telecom UK Limited	78	22%
AS21859 Zenlayer Inc	75	21%
AS4229 Zenlayer Inc	71	20%
AS6939 Hurricane Electric LLC	47	13%
AS2914 NTT America, Inc.	38	11%
AS7473 Singapore Telecommunications Ltd	30	9%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	29	8%
AS6461 Zayo Bandwidth	19	5%
AS3356 Level 3 Parent, LLC	16	5%

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 AS45903	6	2%	6
4	AS6461 AS7473 AS45903	5	1%	5
5	AS14840 AS45903	4	1%	2
6	AS47147 AS45903	4	1%	4
7	AS13030 AS3491 AS45903	4	1%	4
8	AS3491 AS45903	3	<1%	3
9	AS12779 AS45903	3	<1%	3
10	AS49544 AS45903	3	<1%	3
11	AS34019 AS45903	3	<1%	3
12	AS25091 AS45903	3	<1%	3
13	AS48362 AS45903	3	<1%	3
14	AS2914 AS4229 AS21859 AS45903	3	<1%	3
15	AS48185 AS6461 AS7473 AS45903	3	<1%	3
16	AS25160 AS45903	2	<1%	2
17	AS35710 AS45903	2	<1%	2
18	AS8529 AS45903	2	<1%	2
19	AS199524 AS45903	2	<1%	2
20	AS35280 AS45903	2	<1%	2
21	AS212483 AS45903	2	<1%	1
22	AS15547 AS45903	2	<1%	2
23	AS51184 AS45903	2	<1%	2
24	AS47692 AS45903	2	<1%	2
25	AS1299 AS7473 AS45903	2	<1%	2
26	AS142289 AS9583 AS45903	2	<1%	1
27	AS31027 AS6797 AS45903	2	<1%	1
28	AS20612 AS8758 AS45903	2	<1%	1
29	AS62167 AS15412 AS9304 AS45903	2	<1%	2
30	AS18041 AS15412 AS9304 AS45903	2	<1%	1
31	AS199524 AS15412 AS9304 AS45903	2	<1%	2
32	AS6762 AS15412 AS9304 AS45903	2	<1%	2
33	AS19151 AS15412 AS9304 AS45903	2	<1%	2
34	AS917 AS60068 AS15412 AS9304 AS45903	2	<1%	2
35	AS3257 AS6453 AS4229 AS21859 AS45903	2	<1%	2
36	AS6830 AS2914 AS4229 AS21859 AS45903	2	<1%	2
37	AS6424 AS6939 AS15412 AS9304 AS45903	2	<1%	2
38	AS34927 AS6939 AS15412 AS9304 AS45903	2	<1%	2
39	AS51185 AS6762 AS15412 AS9304 AS45903	2	<1%	2
40	AS24482 AS6939 AS15412 AS9304 AS45903	2	<1%	2
41	AS9002 AS6453 AS4229 AS21859 AS45903	2	<1%	2
42	AS2497 AS2914 AS4229 AS21859 AS45903	2	<1%	2
43	AS199524 AS6453 AS4229 AS21859 AS45903	2	<1%	2
44	AS49544 AS3356 AS2914 AS4229 AS21859 AS45903	2	<1%	1
45	AS59890 AS3356 AS2914 AS4229 AS21859 AS45903	2	<1%	2
46	AS271253 AS3356 AS2914 AS4229 AS21859 AS45903	2	<1%	1
47	AS45903	1	<1%	1
48	AS5511 AS45903	1	<1%	1
49	AS14630 AS45903	1	<1%	1
50	AS34549 AS45903	1	<1%	1

50 of 272 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, 15:33 UTC, fetched just now.