BGP map for 197.255.136.0/21

197.255.136.0/21 is announced by AS37517 CABO VERDE TELECOM, S.A and seen by 338 peers of 23 RIPE RIS collectors, over 258 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (48%), AS6939 Hurricane Electric LLC (4%) and AS24482 SG.GS (3%). The most common path, used by 11 peers, is AS24482 AS37517.

Routes checked 23:03:17 UTC

No change in the origin, the upstreams or the number of peers since 23:03 UTC, when this site first looked at 197.255.136.0/21.

AS-path graph toward 197.255.136.0/21

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 338 peers (3%) number on a line = peers using that link RIS data up to 23:02 UTC what the colours mean 12 of 258 paths drawn 2 quieter networks left out

Download PNG View JSON Raw upstream

338collector peers

23RIS collectors

258distinct AS paths

3.0average AS hops, 1 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	163	48%
AS6939 Hurricane Electric LLC	15	4%
AS24482 SG.GS	11	3%
AS12779 ITGATE IT.Gate S.p.A.	5	1%
AS14840 BR.Digital Telecom	5	1%
AS47147 AS-ANX Anexia Cloud Solutions GmbH	4	1%
AS34019 HIVANE Hivane Association	4	1%
AS25091 IP-Max IP-Max SA	4	1%
AS48362 TKSWF-AS Stadtwerke Feldkirch	4	1%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	4	1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	161	48%
AS6939 Hurricane Electric LLC	15	4%
AS174 Cogent Communications, LLC	14	4%
AS6461 Zayo Bandwidth	8	2%
AS3356 Level 3 Parent, LLC	8	2%
AS2914 NTT America, Inc.	7	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	6	2%
AS3257 GTT-BACKBONE GTT Communications Inc.	4	1%
AS3491 PCCW Global (HK) Ltd.	4	1%
AS8758 IWAY Iway AG	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	AS24482 AS37517	11	3%	11
2	AS8218 AS6461 AS1299 AS37517	7	2%	6
3	AS199524 AS1299 AS37517	6	2%	6
4	AS6461 AS1299 AS37517	5	1%	5
5	AS12779 AS37517	4	1%	4
6	AS14840 AS37517	4	1%	2
7	AS47147 AS37517	4	1%	4
8	AS13030 AS1299 AS37517	4	1%	4
9	AS9002 AS1299 AS37517	4	1%	4
10	AS14907 AS1299 AS37517	4	1%	4
11	AS34019 AS37517	3	<1%	3
12	AS25091 AS37517	3	<1%	3
13	AS48362 AS37517	3	<1%	3
14	AS2914 AS1299 AS37517	3	<1%	3
15	AS3491 AS1299 AS37517	3	<1%	3
16	AS48185 AS1299 AS37517	3	<1%	3
17	AS25160 AS37517	2	<1%	2
18	AS1299 AS37517	2	<1%	2
19	AS31027 AS37517	2	<1%	1
20	AS35710 AS37517	2	<1%	2
21	AS8529 AS37517	2	<1%	2
22	AS3214 AS37517	2	<1%	2
23	AS212483 AS37517	2	<1%	1
24	AS49544 AS37517	2	<1%	2
25	AS15547 AS37517	2	<1%	2
26	AS51184 AS37517	2	<1%	2
27	AS47692 AS37517	2	<1%	2
28	AS3257 AS1299 AS37517	2	<1%	2
29	AS6830 AS1299 AS37517	2	<1%	2
30	AS3320 AS1299 AS37517	2	<1%	2
31	AS34927 AS1299 AS37517	2	<1%	2
32	AS58057 AS1836 AS37517	2	<1%	2
33	AS6762 AS1299 AS37517	2	<1%	2
34	AS59890 AS6939 AS37517	2	<1%	2
35	AS20612 AS8758 AS37517	2	<1%	1
36	AS2497 AS1299 AS37517	2	<1%	2
37	AS49544 AS3356 AS1299 AS37517	2	<1%	1
38	AS51185 AS6762 AS1299 AS37517	2	<1%	2
39	AS271253 AS3356 AS1299 AS37517	2	<1%	1
40	AS19151 AS2914 AS1299 AS37517	2	<1%	2
41	AS142289 AS9583 AS6453 AS1299 AS37517	2	<1%	1
42	AS37517	1	<1%	1
43	AS36924 AS37517	1	<1%	1
44	AS6424 AS37517	1	<1%	1
45	AS37680 AS37517	1	<1%	1
46	AS14630 AS37517	1	<1%	1
47	AS34549 AS37517	1	<1%	1
48	AS37721 AS37517	1	<1%	1
49	AS61573 AS37517	1	<1%	1
50	AS6057 AS37517	1	<1%	1

50 of 258 paths shown. All of them are in the JSON.

More prefixes from AS37517

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 23:02 UTC, fetched just now.