BGP map for 186.237.192.0/21

186.237.192.0/21 is announced by AS16735 ALGAR TELECOM S/A and seen by 330 peers of 23 RIPE RIS collectors, over 265 different AS paths. Its busiest upstreams are AS174 Cogent Communications, LLC (38%), AS3356 Level 3 Parent, LLC (28%) and AS6762 SEABONE-NET (19%). The most common path, used by 8 peers, is AS199524 AS174 AS16735.

Routes checked 20:16:18 UTC

No change in the origin, the upstreams or the number of peers since 20:16 UTC, when this site first looked at 186.237.192.0/21.

AS-path graph toward 186.237.192.0/21

origin Tier 1Tier 2edge network prefix best path: chosen by 8 of 330 peers (2%) number on a line = peers using that link RIS data up to 20:15 UTC what the colours mean 12 of 265 paths drawn 4 quieter networks left out

Download PNG View JSON Raw upstream

330collector peers

23RIS collectors

265distinct AS paths

3.4average AS hops, 1 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	126	38%
AS3356 Level 3 Parent, LLC	92	28%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	63	19%
AS6939 Hurricane Electric LLC	11	3%
AS3303 SWISSCOM Swisscom (Schweiz) AG	10	3%
AS60068 CDN77 Datacamp Limited	4	1%
AS199524 GCORE G-Core Labs S.A.	2	<1%
AS19151 BroadbandONE, LLC	2	<1%
AS6057 Administracion Nacional de Telecomunicaciones	2	<1%
AS1828 Unitas Global	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	126	38%
AS3356 Level 3 Parent, LLC	92	28%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	61	18%
AS1299 TWELVE99 Arelion Sweden AB	22	7%
AS2914 NTT America, Inc.	21	6%
AS6939 Hurricane Electric LLC	11	3%
AS3303 SWISSCOM Swisscom (Schweiz) AG	10	3%
AS6461 Zayo Bandwidth	9	3%
AS3320 DTAG Deutsche Telekom AG	6	2%
AS1764 NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	6	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	AS199524 AS174 AS16735	8	2%	8
2	AS24482 AS2914 AS6762 AS16735	7	2%	7
3	AS49544 AS3356 AS16735	5	2%	4
4	AS12779 AS174 AS16735	4	1%	4
5	AS14840 AS3356 AS16735	4	1%	2
6	AS13030 AS1299 AS174 AS16735	4	1%	4
7	AS48185 AS3356 AS16735	3	<1%	3
8	AS34019 AS3303 AS16735	3	<1%	3
9	AS6461 AS174 AS16735	3	<1%	3
10	AS8218 AS6461 AS6762 AS16735	3	<1%	3
11	AS24482 AS2914 AS3356 AS16735	3	<1%	3
12	AS8218 AS6461 AS174 AS16735	3	<1%	3
13	AS6762 AS16735	2	<1%	2
14	AS199524 AS16735	2	<1%	2
15	AS19151 AS16735	2	<1%	2
16	AS917 AS60068 AS16735	2	<1%	2
17	AS3257 AS6762 AS16735	2	<1%	2
18	AS6461 AS6762 AS16735	2	<1%	2
19	AS6830 AS174 AS16735	2	<1%	2
20	AS9002 AS6762 AS16735	2	<1%	2
21	AS25160 AS174 AS16735	2	<1%	2
22	AS1299 AS174 AS16735	2	<1%	2
23	AS50628 AS3356 AS16735	2	<1%	2
24	AS31027 AS3356 AS16735	2	<1%	1
25	AS3491 AS174 AS16735	2	<1%	2
26	AS35280 AS3356 AS16735	2	<1%	2
27	AS15547 AS174 AS16735	2	<1%	2
28	AS25091 AS6762 AS16735	2	<1%	2
29	AS2914 AS6762 AS16735	2	<1%	2
30	AS51185 AS6762 AS16735	2	<1%	2
31	AS59890 AS60068 AS16735	2	<1%	2
32	AS2497 AS174 AS16735	2	<1%	2
33	AS58057 AS34549 AS174 AS16735	2	<1%	2
34	AS35710 AS3320 AS3356 AS16735	2	<1%	2
35	AS14907 AS2914 AS3356 AS16735	2	<1%	2
36	AS51184 AS1764 AS174 AS16735	2	<1%	2
37	AS48362 AS1764 AS174 AS16735	2	<1%	2
38	AS47147 AS1299 AS174 AS16735	2	<1%	2
39	AS142289 AS9583 AS4755 AS6453 AS174 AS16735	2	<1%	1
40	AS16735	1	<1%	1
41	AS1828 AS16735	1	<1%	1
42	AS24482 AS16735	1	<1%	1
43	AS6057 AS16735	1	<1%	1
44	AS36236 AS16735	1	<1%	1
45	AS51185 AS16735	1	<1%	1
46	AS35280 AS16735	1	<1%	1
47	AS13786 AS16735	1	<1%	1
48	AS263237 AS16735	1	<1%	1
49	AS263152 AS16735	1	<1%	1
50	AS9002 AS16735	1	<1%	1

50 of 265 paths shown. All of them are in the JSON.

More prefixes from AS16735

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 20:15 UTC, fetched just now.