BGP map for 136.238.12.0/23

136.238.12.0/23 is announced by AS3303 SWISSCOM and seen by 341 peers of 23 RIPE RIS collectors, over 255 different AS paths. Its busiest upstreams are AS174 Cogent Communications, LLC (6%), AS9002 RETN-AS (5%) and AS2914 NTT America, Inc. (5%). The most common path, used by 11 peers, is AS24482 AS3303.

Routes checked 21:52:20 UTC

No change in the origin, the upstreams or the number of peers since 21:52 UTC, when this site first looked at 136.238.12.0/23.

AS-path graph toward 136.238.12.0/23

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 341 peers (3%) number on a line = peers using that link RIS data up to 21:51 UTC what the colours mean 12 of 255 paths drawn 5 quieter networks left out

Download PNG View JSON Raw upstream

341collector peers

23RIS collectors

255distinct AS paths

2.6average AS hops, 1 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	20	6%
AS9002 RETN-AS RETN Limited	18	5%
AS2914 NTT America, Inc.	18	5%
AS3356 Level 3 Parent, LLC	16	5%
AS3257 GTT-BACKBONE GTT Communications Inc.	13	4%
AS24482 SG.GS	11	3%
AS3491 PCCW Global (HK) Ltd.	8	2%
AS8218 NEO-ASN Zayo Infrastructure France SA	7	2%
AS6461 Zayo Bandwidth	7	2%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	7	2%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	20	6%
AS3356 Level 3 Parent, LLC	16	5%
AS2914 NTT America, Inc.	15	4%
AS9002 RETN-AS RETN Limited	14	4%
AS3257 GTT-BACKBONE GTT Communications Inc.	11	3%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	6	2%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	6	2%
AS6939 Hurricane Electric LLC	6	2%
AS3491 PCCW Global (HK) Ltd.	5	1%
AS12956 TELXIUS TELEFONICA GLOBAL SOLUTIONS SL	5	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 AS3303	11	3%	11
2	AS8218 AS3303	7	2%	6
3	AS6461 AS3303	5	1%	5
4	AS13030 AS3303	4	1%	4
5	AS9002 AS3303	4	1%	4
6	AS12779 AS3303	4	1%	4
7	AS14907 AS3303	4	1%	4
8	AS14840 AS3303	4	1%	2
9	AS47147 AS9002 AS3303	4	1%	4
10	AS3303	3	<1%	3
11	AS2914 AS3303	3	<1%	3
12	AS3491 AS3303	3	<1%	3
13	AS48185 AS3303	3	<1%	3
14	AS3214 AS3303	3	<1%	3
15	AS49544 AS3303	3	<1%	3
16	AS35280 AS3303	3	<1%	3
17	AS34019 AS3303	3	<1%	3
18	AS25091 AS3303	3	<1%	3
19	AS48362 AS3303	3	<1%	3
20	AS3257 AS3303	2	<1%	2
21	AS6830 AS3303	2	<1%	2
22	AS31027 AS3303	2	<1%	1
23	AS35710 AS3303	2	<1%	2
24	AS8529 AS3303	2	<1%	2
25	AS15547 AS3303	2	<1%	2
26	AS6762 AS3303	2	<1%	2
27	AS2497 AS3303	2	<1%	2
28	AS917 AS60068 AS3303	2	<1%	2
29	AS3320 AS174 AS3303	2	<1%	2
30	AS62167 AS3356 AS3303	2	<1%	2
31	AS25160 AS174 AS3303	2	<1%	2
32	AS42473 AS9002 AS3303	2	<1%	2
33	AS1299 AS174 AS3303	2	<1%	2
34	AS58057 AS1836 AS3303	2	<1%	2
35	AS58057 AS34549 AS3303	2	<1%	2
36	AS49544 AS3356 AS3303	2	<1%	1
37	AS199524 AS3491 AS3303	2	<1%	2
38	AS199524 AS3257 AS3303	2	<1%	2
39	AS51184 AS1764 AS3303	2	<1%	2
40	AS199524 AS6453 AS3303	2	<1%	2
41	AS47692 AS2914 AS3303	2	<1%	2
42	AS51185 AS6762 AS3303	2	<1%	2
43	AS59890 AS60068 AS3303	2	<1%	2
44	AS20612 AS8758 AS3303	2	<1%	1
45	AS271253 AS3356 AS3303	2	<1%	1
46	AS19151 AS2914 AS3303	2	<1%	2
47	AS142289 AS9583 AS4755 AS6453 AS3303	2	<1%	1
48	AS1828 AS3303	1	<1%	1
49	AS6424 AS3303	1	<1%	1
50	AS39122 AS3303	1	<1%	1

50 of 255 paths shown. All of them are in the JSON.

More prefixes from AS3303

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 21:51 UTC, fetched just now.