BGP map for 203.205.56.0/21

203.205.56.0/21 is announced by AS45903 CMC Telecom Infrastructure Company and seen by 326 peers of 23 RIPE RIS collectors, over 257 different AS paths. Its busiest upstreams are AS703 Verizon Business (77%), AS6939 Hurricane Electric LLC (10%) and AS24482 SG.GS (3%). The most common path, used by 10 peers, is AS24482 AS45903.

Routes checked 14:19:48 UTC

No change in the origin, the upstreams or the number of peers since 07:05 UTC on 29 Oct, when this site first looked at 203.205.56.0/21.

326collector peers

23RIS collectors

257distinct AS paths

4.3average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS703 Verizon Business	251	77%
AS6939 Hurricane Electric LLC	33	10%
AS24482 SG.GS	10	3%
AS8220 COLT COLT Technology Services Group Limited	10	3%
AS4635 Hong Kong Internet Exchange--Route Server 1	3	<1%
AS8359 MTS MTS PJSC	3	<1%
AS9583 Sify Limited	2	<1%
AS9002 RETN-AS RETN Limited	2	<1%
AS17639 Converge ICT Solutions Inc.	1	<1%
AS38008 Aperture Science Limited	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS703 Verizon Business	251	77%
AS701 Verizon Business	143	44%
AS174 Cogent Communications, LLC	63	19%
AS1299 TWELVE99 Arelion Sweden AB	48	15%
AS6939 Hurricane Electric LLC	33	10%
AS5511 Opentransit Orange S.A.	22	7%
AS3356 Level 3 Parent, LLC	19	6%
AS2914 NTT America, Inc.	19	6%
AS6461 Zayo Bandwidth	10	3%
AS8220 COLT COLT Technology Services Group Limited	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	AS24482 AS45903	10	3%	10
2	AS8218 AS6461 AS701 AS703 AS45903	7	2%	6
3	AS6461 AS701 AS703 AS45903	5	2%	5
4	AS14840 AS701 AS703 AS45903	4	1%	2
5	AS199524 AS174 AS703 AS45903	4	1%	4
6	AS13030 AS1299 AS701 AS703 AS45903	4	1%	4
7	AS47147 AS1299 AS701 AS703 AS45903	4	1%	4
8	AS2914 AS701 AS703 AS45903	3	<1%	3
9	AS34019 AS3303 AS6939 AS45903	3	<1%	3
10	AS25091 AS5511 AS703 AS45903	3	<1%	3
11	AS9002 AS3356 AS701 AS703 AS45903	3	<1%	3
12	AS12779 AS2914 AS701 AS703 AS45903	3	<1%	3
13	AS48362 AS1299 AS701 AS703 AS45903	3	<1%	3
14	AS18041 AS703 AS45903	2	<1%	1
15	AS142289 AS9583 AS45903	2	<1%	1
16	AS15547 AS8220 AS45903	2	<1%	2
17	AS59890 AS6939 AS45903	2	<1%	2
18	AS2497 AS703 AS45903	2	<1%	2
19	AS3257 AS701 AS703 AS45903	2	<1%	2
20	AS6830 AS701 AS703 AS45903	2	<1%	2
21	AS3320 AS701 AS703 AS45903	2	<1%	2
22	AS3491 AS701 AS703 AS45903	2	<1%	2
23	AS62167 AS174 AS703 AS45903	2	<1%	2
24	AS1299 AS701 AS703 AS45903	2	<1%	2
25	AS6762 AS701 AS703 AS45903	2	<1%	2
26	AS20612 AS8758 AS8220 AS45903	2	<1%	1
27	AS271253 AS174 AS703 AS45903	2	<1%	1
28	AS19151 AS174 AS703 AS45903	2	<1%	2
29	AS917 AS60068 AS174 AS703 AS45903	2	<1%	2
30	AS25160 AS2914 AS701 AS703 AS45903	2	<1%	2
31	AS42473 AS1299 AS701 AS703 AS45903	2	<1%	2
32	AS34927 AS1299 AS701 AS703 AS45903	2	<1%	2
33	AS49544 AS3356 AS701 AS703 AS45903	2	<1%	1
34	AS31027 AS1299 AS701 AS703 AS45903	2	<1%	1
35	AS35710 AS3320 AS701 AS703 AS45903	2	<1%	2
36	AS51184 AS1764 AS174 AS703 AS45903	2	<1%	2
37	AS47692 AS2914 AS701 AS703 AS45903	2	<1%	2
38	AS51185 AS6762 AS701 AS703 AS45903	2	<1%	2
39	AS58057 AS34549 AS2914 AS701 AS703 AS45903	2	<1%	2
40	AS17639 AS45903	1	<1%	1
41	AS38008 AS45903	1	<1%	1
42	AS36236 AS45903	1	<1%	1
43	AS8529 AS45903	1	<1%	1
44	AS18106 AS45903	1	<1%	1
45	AS14907 AS45903	1	<1%	1
46	AS199524 AS45903	1	<1%	1
47	AS9002 AS45903	1	<1%	1
48	AS49544 AS45903	1	<1%	1
49	AS35280 AS45903	1	<1%	1
50	AS2500 AS45903	1	<1%	1

50 of 257 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, 14:19 UTC, fetched just now.