BGP map for 203.205.16.0/21

203.205.16.0/21 is announced by AS45903 CMC Telecom Infrastructure Company and seen by 328 peers of 23 RIPE RIS collectors, over 259 different AS paths. Its busiest upstreams are AS703 Verizon Business (71%), AS6939 Hurricane Electric LLC (10%) and AS2914 NTT America, Inc. (6%). The most common path, used by 10 peers, is AS24482 AS45903.

Routes checked 14:24:55 UTC

No change in the origin, the upstreams or the number of peers since 07:08 UTC on 28 Oct, when this site first looked at 203.205.16.0/21.

328collector peers

23RIS collectors

259distinct AS paths

4.2average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS703 Verizon Business	234	71%
AS6939 Hurricane Electric LLC	32	10%
AS2914 NTT America, Inc.	21	6%
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%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS703 Verizon Business	234	71%
AS701 Verizon Business	126	38%
AS174 Cogent Communications, LLC	67	20%
AS1299 TWELVE99 Arelion Sweden AB	43	13%
AS6939 Hurricane Electric LLC	32	10%
AS5511 Opentransit Orange S.A.	20	6%
AS2914 NTT America, Inc.	18	5%
AS3356 Level 3 Parent, LLC	18	5%
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	AS2914 AS45903	3	<1%	3
8	AS12779 AS2914 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	AS25160 AS2914 AS45903	2	<1%	2
13	AS18041 AS703 AS45903	2	<1%	1
14	AS142289 AS9583 AS45903	2	<1%	1
15	AS15547 AS8220 AS45903	2	<1%	2
16	AS59890 AS6939 AS45903	2	<1%	2
17	AS2497 AS703 AS45903	2	<1%	2
18	AS3257 AS701 AS703 AS45903	2	<1%	2
19	AS6830 AS701 AS703 AS45903	2	<1%	2
20	AS3320 AS701 AS703 AS45903	2	<1%	2
21	AS3491 AS701 AS703 AS45903	2	<1%	2
22	AS62167 AS174 AS703 AS45903	2	<1%	2
23	AS6424 AS174 AS703 AS45903	2	<1%	2
24	AS1299 AS701 AS703 AS45903	2	<1%	2
25	AS58057 AS34549 AS2914 AS45903	2	<1%	2
26	AS6762 AS701 AS703 AS45903	2	<1%	2
27	AS20612 AS8758 AS8220 AS45903	2	<1%	1
28	AS271253 AS174 AS703 AS45903	2	<1%	1
29	AS19151 AS174 AS703 AS45903	2	<1%	2
30	AS917 AS60068 AS174 AS703 AS45903	2	<1%	2
31	AS42473 AS1299 AS701 AS703 AS45903	2	<1%	2
32	AS48185 AS1299 AS701 AS703 AS45903	2	<1%	2
33	AS34927 AS1299 AS701 AS703 AS45903	2	<1%	2
34	AS49544 AS3356 AS701 AS703 AS45903	2	<1%	1
35	AS31027 AS1299 AS701 AS703 AS45903	2	<1%	1
36	AS35710 AS3320 AS701 AS703 AS45903	2	<1%	2
37	AS51184 AS1764 AS174 AS703 AS45903	2	<1%	2
38	AS48362 AS1764 AS174 AS703 AS45903	2	<1%	2
39	AS51185 AS6762 AS701 AS703 AS45903	2	<1%	2
40	AS47147 AS3320 AS701 AS703 AS45903	2	<1%	2
41	AS49544 AS1299 AS701 AS703 AS45903	2	<1%	2
42	AS47147 AS1299 AS701 AS703 AS45903	2	<1%	2
43	AS17639 AS45903	1	<1%	1
44	AS38008 AS45903	1	<1%	1
45	AS36236 AS45903	1	<1%	1
46	AS8529 AS45903	1	<1%	1
47	AS18106 AS45903	1	<1%	1
48	AS14907 AS45903	1	<1%	1
49	AS199524 AS45903	1	<1%	1
50	AS9002 AS45903	1	<1%	1

50 of 259 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, 14:24 UTC, fetched just now.