BGP map for 181.37.200.0/21

181.37.200.0/21 is announced by AS28118 ALTICE DOMINICANA S.A. and seen by 331 peers of 23 RIPE RIS collectors, over 252 different AS paths. Its busiest upstreams are AS6461 Zayo Bandwidth (96%), AS1299 TWELVE99 (3%) and AS3303 SWISSCOM (1%). The most common path, used by 11 peers, is AS24482 AS6461 AS28118.

Routes checked 06:33:50 UTC

No change in the origin, the upstreams or the number of peers since 06:33 UTC, when this site first looked at 181.37.200.0/21.

AS-path graph toward 181.37.200.0/21

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 331 peers (3%) number on a line = peers using that link RIS data up to 06:32 UTC what the colours mean 12 of 252 paths drawn 6 quieter networks left out

Download PNG View JSON Raw upstream

331collector peers

23RIS collectors

252distinct AS paths

3.7average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS6461 Zayo Bandwidth	317	96%
AS1299 TWELVE99 Arelion Sweden AB	9	3%
AS3303 SWISSCOM Swisscom (Schweiz) AG	4	1%
AS199524 GCORE G-Core Labs S.A.	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS6461 Zayo Bandwidth	312	94%
AS3356 Level 3 Parent, LLC	38	11%
AS2914 NTT America, Inc.	28	8%
AS174 Cogent Communications, LLC	17	5%
AS9002 RETN-AS RETN Limited	16	5%
AS3491 PCCW Global (HK) Ltd.	9	3%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	8	2%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	8	2%
AS6939 Hurricane Electric LLC	8	2%
AS1299 TWELVE99 Arelion Sweden AB	7	2%

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 AS6461 AS28118	11	3%	11
2	AS8218 AS6461 AS28118	7	2%	6
3	AS6461 AS28118	5	2%	5
4	AS13030 AS6461 AS28118	4	1%	4
5	AS9002 AS6461 AS28118	4	1%	4
6	AS12779 AS6461 AS28118	4	1%	4
7	AS47147 AS6461 AS28118	4	1%	4
8	AS14840 AS3356 AS6461 AS28118	4	1%	2
9	AS2914 AS6461 AS28118	3	<1%	3
10	AS3491 AS6461 AS28118	3	<1%	3
11	AS48185 AS6461 AS28118	3	<1%	3
12	AS3214 AS6461 AS28118	3	<1%	3
13	AS25091 AS6461 AS28118	3	<1%	3
14	AS49544 AS3356 AS6461 AS28118	3	<1%	2
15	AS49544 AS2914 AS6461 AS28118	3	<1%	3
16	AS51185 AS6762 AS6461 AS28118	3	<1%	3
17	AS199524 AS174 AS6461 AS28118	3	<1%	3
18	AS48362 AS9002 AS6461 AS28118	3	<1%	3
19	AS1299 AS28118	2	<1%	2
20	AS3257 AS6461 AS28118	2	<1%	2
21	AS6830 AS6461 AS28118	2	<1%	2
22	AS3320 AS6461 AS28118	2	<1%	2
23	AS25160 AS1299 AS28118	2	<1%	2
24	AS8529 AS6461 AS28118	2	<1%	2
25	AS34019 AS6461 AS28118	2	<1%	2
26	AS15547 AS6461 AS28118	2	<1%	2
27	AS6762 AS6461 AS28118	2	<1%	2
28	AS2497 AS6461 AS28118	2	<1%	2
29	AS62167 AS3356 AS6461 AS28118	2	<1%	2
30	AS50628 AS3356 AS6461 AS28118	2	<1%	2
31	AS58057 AS34549 AS6461 AS28118	2	<1%	2
32	AS31027 AS12552 AS6461 AS28118	2	<1%	1
33	AS35710 AS3320 AS6461 AS28118	2	<1%	2
34	AS199524 AS3491 AS6461 AS28118	2	<1%	2
35	AS51184 AS1764 AS6461 AS28118	2	<1%	2
36	AS199524 AS6453 AS6461 AS28118	2	<1%	2
37	AS47692 AS2914 AS6461 AS28118	2	<1%	2
38	AS59890 AS3356 AS6461 AS28118	2	<1%	2
39	AS20612 AS8758 AS6461 AS28118	2	<1%	1
40	AS271253 AS3356 AS6461 AS28118	2	<1%	1
41	AS19151 AS2914 AS6461 AS28118	2	<1%	2
42	AS142289 AS9583 AS4755 AS6453 AS6461 AS28118	2	<1%	1
43	AS199524 AS28118	1	<1%	1
44	AS1828 AS6461 AS28118	1	<1%	1
45	AS6424 AS6461 AS28118	1	<1%	1
46	AS42473 AS6461 AS28118	1	<1%	1
47	AS12969 AS1299 AS28118	1	<1%	1
48	AS34927 AS1299 AS28118	1	<1%	1
49	AS3170 AS6461 AS28118	1	<1%	1
50	AS7018 AS6461 AS28118	1	<1%	1

50 of 252 paths shown. All of them are in the JSON.

More prefixes from AS28118

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 06:32 UTC, fetched just now.