BGP map for 204.186.192.0/21

204.186.192.0/21 is announced by AS3737 PenTeleData Inc. and seen by 333 peers of 23 RIPE RIS collectors, over 260 different AS paths. Its busiest upstreams are AS6461 Zayo Bandwidth (46%), AS3356 Level 3 Parent, LLC (31%) and AS3257 GTT-BACKBONE (15%). The most common path, used by 11 peers, is AS24482 AS6461 AS3737.

Routes checked 20:47:10 UTC

No change in the origin, the upstreams or the number of peers since 20:47 UTC, when this site first looked at 204.186.192.0/21.

AS-path graph toward 204.186.192.0/21

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 333 peers (3%) number on a line = peers using that link RIS data up to 20:46 UTC what the colours mean 12 of 260 paths drawn 6 quieter networks left out

Download PNG View JSON Raw upstream

333collector peers

23RIS collectors

260distinct AS paths

3.5average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS6461 Zayo Bandwidth	153	46%
AS3356 Level 3 Parent, LLC	102	31%
AS3257 GTT-BACKBONE GTT Communications Inc.	50	15%
AS6939 Hurricane Electric LLC	21	6%
AS49544 i3Dnet i3D.net B.V	2	<1%
AS19151 BroadbandONE, LLC	2	<1%
AS1828 Unitas Global	1	<1%
AS58057 SECUREBIT Securebit AG	1	<1%
AS286 KPN GTT Communications Inc.	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS6461 Zayo Bandwidth	148	44%
AS3356 Level 3 Parent, LLC	102	31%
AS3257 GTT-BACKBONE GTT Communications Inc.	49	15%
AS1299 TWELVE99 Arelion Sweden AB	24	7%
AS6939 Hurricane Electric LLC	21	6%
AS2914 NTT America, Inc.	11	3%
AS174 Cogent Communications, LLC	8	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	6	2%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	5	2%
AS1764 NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	4	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 AS6461 AS3737	11	3%	11
2	AS8218 AS6461 AS3737	7	2%	6
3	AS199524 AS3257 AS3737	6	2%	6
4	AS6461 AS3737	5	2%	5
5	AS13030 AS6461 AS3737	4	1%	4
6	AS12779 AS6461 AS3737	4	1%	4
7	AS14840 AS3356 AS3737	4	1%	2
8	AS47147 AS6461 AS3737	4	1%	4
9	AS48185 AS6461 AS3737	3	<1%	3
10	AS3214 AS6461 AS3737	3	<1%	3
11	AS49544 AS3356 AS3737	3	<1%	2
12	AS9002 AS3257 AS3737	3	<1%	3
13	AS35280 AS3356 AS3737	3	<1%	3
14	AS34019 AS6461 AS3737	3	<1%	3
15	AS25091 AS6461 AS3737	3	<1%	3
16	AS49544 AS3737	2	<1%	2
17	AS19151 AS3737	2	<1%	2
18	AS6830 AS6461 AS3737	2	<1%	2
19	AS3320 AS6461 AS3737	2	<1%	2
20	AS62167 AS3356 AS3737	2	<1%	2
21	AS50628 AS3356 AS3737	2	<1%	2
22	AS15547 AS6461 AS3737	2	<1%	2
23	AS2914 AS6461 AS3737	2	<1%	2
24	AS59890 AS3356 AS3737	2	<1%	2
25	AS271253 AS3356 AS3737	2	<1%	1
26	AS25160 AS2914 AS6461 AS3737	2	<1%	2
27	AS58057 AS1836 AS3356 AS3737	2	<1%	2
28	AS34927 AS1299 AS3356 AS3737	2	<1%	2
29	AS58057 AS34549 AS6461 AS3737	2	<1%	2
30	AS31027 AS12552 AS6461 AS3737	2	<1%	1
31	AS35710 AS3320 AS3257 AS3737	2	<1%	2
32	AS51185 AS6762 AS3356 AS3737	2	<1%	2
33	AS14907 AS2914 AS3356 AS3737	2	<1%	2
34	AS51184 AS1764 AS6461 AS3737	2	<1%	2
35	AS48362 AS1764 AS6461 AS3737	2	<1%	2
36	AS20612 AS8758 AS6461 AS3737	2	<1%	1
37	AS142289 AS9583 AS4755 AS6453 AS3356 AS3737	2	<1%	1
38	AS1828 AS3737	1	<1%	1
39	AS58057 AS3737	1	<1%	1
40	AS3257 AS3737	1	<1%	1
41	AS6894 AS3257 AS3737	1	<1%	1
42	AS35266 AS3257 AS3737	1	<1%	1
43	AS286 AS3257 AS3737	1	<1%	1
44	AS2914 AS3356 AS3737	1	<1%	1
45	AS3491 AS6461 AS3737	1	<1%	1
46	AS9002 AS6461 AS3737	1	<1%	1
47	AS6424 AS6461 AS3737	1	<1%	1
48	AS42473 AS6461 AS3737	1	<1%	1
49	AS1299 AS6461 AS3737	1	<1%	1
50	AS3170 AS6461 AS3737	1	<1%	1

50 of 260 paths shown. All of them are in the JSON.

More prefixes from AS3737

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 20:46 UTC, fetched just now.