BGP map for 203.205.50.0/23

203.205.50.0/23 is announced by AS45903 CMC Telecom Infrastructure Company and seen by 352 peers of 23 RIPE RIS collectors, over 271 different AS paths. Its busiest upstreams are AS15412 FLAG-AS (48%), AS3491 PCCW Global (HK) Ltd. (10%) and AS24482 SG.GS (2%). The most common path, used by 8 peers, is AS6939 AS15412 AS45903.

Routes checked 16:57:01 UTC

No change in the origin, the upstreams or the number of peers since 19:23 UTC on 28 Oct, when this site first looked at 203.205.50.0/23.

AS-path graph toward 203.205.50.0/23

origin Tier 1Tier 2transitedge network prefix best path: chosen by 8 of 352 peers (2%) number on a line = peers using that link RIS data up to 16:56 UTC what the colours mean 12 of 271 paths drawn 5 quieter networks left out

View JSON Raw upstream

352collector peers

23RIS collectors

271distinct AS paths

3.2average AS hops, 1 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS15412 FLAG-AS Flag Telecom UK Limited	168	48%
AS3491 PCCW Global (HK) Ltd.	34	10%
AS24482 SG.GS	7	2%
AS34019 HIVANE Hivane Association	6	2%
AS35280 F5 F5 Networks SARL	6	2%
AS14840 BR.Digital Telecom	5	1%
AS47147 AS-ANX Anexia Cloud Solutions GmbH	5	1%
AS25091 IP-Max IP-Max SA	4	1%
AS48362 TKSWF-AS Stadtwerke Feldkirch	4	1%
AS5405 INTERDOTLINK Inter.link GmbH	4	1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS15412 FLAG-AS Flag Telecom UK Limited	168	48%
AS6939 Hurricane Electric LLC	80	23%
AS3491 PCCW Global (HK) Ltd.	31	9%
AS174 Cogent Communications, LLC	13	4%
AS1299 TWELVE99 Arelion Sweden AB	12	3%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	7	2%
AS35280 F5 F5 Networks SARL	4	1%
AS3356 Level 3 Parent, LLC	3	<1%
AS34019 HIVANE Hivane Association	3	<1%
AS21859 Zenlayer 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 AS15412 AS45903	8	2%	8
2	AS24482 AS45903	7	2%	7
3	AS8218 AS15412 AS45903	7	2%	6
4	AS6461 AS15412 AS45903	5	1%	5
5	AS14840 AS45903	4	1%	2
6	AS47147 AS45903	4	1%	4
7	AS3491 AS45903	3	<1%	3
8	AS48185 AS45903	3	<1%	3
9	AS49544 AS45903	3	<1%	3
10	AS34019 AS45903	3	<1%	3
11	AS25091 AS45903	3	<1%	3
12	AS48362 AS45903	3	<1%	3
13	AS2914 AS15412 AS45903	3	<1%	3
14	AS9002 AS3491 AS45903	3	<1%	3
15	AS13030 AS3491 AS45903	3	<1%	3
16	AS34927 AS6939 AS15412 AS45903	3	<1%	3
17	AS58057 AS6939 AS15412 AS45903	3	<1%	3
18	AS25160 AS45903	2	<1%	2
19	AS14907 AS45903	2	<1%	2
20	AS199524 AS45903	2	<1%	2
21	AS35280 AS45903	2	<1%	2
22	AS212483 AS45903	2	<1%	1
23	AS15547 AS45903	2	<1%	2
24	AS12779 AS45903	2	<1%	2
25	AS51184 AS45903	2	<1%	2
26	AS3257 AS3491 AS45903	2	<1%	2
27	AS6830 AS3491 AS45903	2	<1%	2
28	AS3320 AS15412 AS45903	2	<1%	2
29	AS62167 AS15412 AS45903	2	<1%	2
30	AS1299 AS15412 AS45903	2	<1%	2
31	AS49544 AS3356 AS45903	2	<1%	1
32	AS18041 AS15412 AS45903	2	<1%	1
33	AS142289 AS9583 AS45903	2	<1%	1
34	AS31027 AS6797 AS45903	2	<1%	1
35	AS6762 AS15412 AS45903	2	<1%	2
36	AS199524 AS15412 AS45903	2	<1%	2
37	AS20612 AS9044 AS45903	2	<1%	1
38	AS2497 AS15412 AS45903	2	<1%	2
39	AS19151 AS15412 AS45903	2	<1%	2
40	AS199524 AS3491 AS45903	2	<1%	2
41	AS917 AS60068 AS15412 AS45903	2	<1%	2
42	AS6424 AS6939 AS15412 AS45903	2	<1%	2
43	AS3214 AS6939 AS15412 AS45903	2	<1%	2
44	AS47692 AS6939 AS15412 AS45903	2	<1%	2
45	AS51185 AS6762 AS15412 AS45903	2	<1%	2
46	AS59890 AS6939 AS15412 AS45903	2	<1%	2
47	AS24482 AS6939 AS15412 AS45903	2	<1%	2
48	AS45903	1	<1%	1
49	AS1828 AS45903	1	<1%	1
50	AS39122 AS45903	1	<1%	1

50 of 271 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, 16:56 UTC, fetched just now.