BGP map for 138.187.128.0/18

138.187.128.0/18 is announced by AS3303 SWISSCOM and seen by 325 peers of 23 RIPE RIS collectors, over 257 different AS paths. Its busiest upstreams are AS3320 DTAG (100%) and AS58057 SECUREBIT (<1%). The most common path, used by 9 peers, is AS24482 AS2914 AS3320 AS3303.

Routes checked 16:57:28 UTC

No change in the origin, the upstreams or the number of peers since 23:59 UTC on 28 Oct, when this site first looked at 138.187.128.0/18.

AS-path graph toward 138.187.128.0/18

origin Tier 1Tier 2transitedge network prefix best path: chosen by 9 of 325 peers (3%) number on a line = peers using that link RIS data up to 16:57 UTC what the colours mean 12 of 257 paths drawn 5 quieter networks left out

View JSON Raw upstream

325collector peers

23RIS collectors

257distinct AS paths

4.1average AS hops, 2 to 7

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS3320 DTAG Deutsche Telekom AG	324	100%
AS58057 SECUREBIT Securebit AG	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS3320 DTAG Deutsche Telekom AG	322	99%
AS1299 TWELVE99 Arelion Sweden AB	61	19%
AS3356 Level 3 Parent, LLC	44	14%
AS2914 NTT America, Inc.	29	9%
AS174 Cogent Communications, LLC	27	8%
AS3257 GTT-BACKBONE GTT Communications Inc.	18	6%
AS6939 Hurricane Electric LLC	15	5%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	14	4%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	10	3%
AS5511 Opentransit Orange S.A.	8	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 AS2914 AS3320 AS3303	9	3%	9
2	AS8218 AS3320 AS3303	7	2%	6
3	AS6461 AS3320 AS3303	5	2%	5
4	AS13030 AS3320 AS3303	4	1%	4
5	AS47147 AS3320 AS3303	4	1%	4
6	AS9002 AS3356 AS3320 AS3303	4	1%	4
7	AS2914 AS3320 AS3303	3	<1%	3
8	AS3491 AS3320 AS3303	3	<1%	3
9	AS14840 AS3356 AS3320 AS3303	3	<1%	2
10	AS51185 AS6762 AS3320 AS3303	3	<1%	3
11	AS199524 AS1299 AS3320 AS3303	3	<1%	3
12	AS34019 AS8218 AS3320 AS3303	3	<1%	3
13	AS48362 AS1299 AS3320 AS3303	3	<1%	3
14	AS3320 AS3303	2	<1%	2
15	AS3257 AS3320 AS3303	2	<1%	2
16	AS6830 AS3320 AS3303	2	<1%	2
17	AS1299 AS3320 AS3303	2	<1%	2
18	AS35710 AS3320 AS3303	2	<1%	2
19	AS6762 AS3320 AS3303	2	<1%	2
20	AS49544 AS3320 AS3303	2	<1%	2
21	AS2497 AS3320 AS3303	2	<1%	2
22	AS25160 AS2914 AS3320 AS3303	2	<1%	2
23	AS42473 AS1299 AS3320 AS3303	2	<1%	2
24	AS34927 AS1299 AS3320 AS3303	2	<1%	2
25	AS48185 AS3356 AS3320 AS3303	2	<1%	2
26	AS49544 AS3356 AS3320 AS3303	2	<1%	1
27	AS31027 AS12552 AS3320 AS3303	2	<1%	1
28	AS8529 AS6453 AS3320 AS3303	2	<1%	2
29	AS35280 AS3356 AS3320 AS3303	2	<1%	2
30	AS15547 AS174 AS3320 AS3303	2	<1%	2
31	AS12779 AS3257 AS3320 AS3303	2	<1%	2
32	AS59890 AS3356 AS3320 AS3303	2	<1%	2
33	AS271253 AS3356 AS3320 AS3303	2	<1%	1
34	AS19151 AS2914 AS3320 AS3303	2	<1%	2
35	AS199524 AS3491 AS3320 AS3303	2	<1%	2
36	AS58057 AS34549 AS5511 AS3320 AS3303	2	<1%	2
37	AS142289 AS9583 AS1299 AS3320 AS3303	2	<1%	1
38	AS51184 AS1764 AS2914 AS3320 AS3303	2	<1%	2
39	AS47692 AS33891 AS1299 AS3320 AS3303	2	<1%	2
40	AS20612 AS9044 AS1299 AS3320 AS3303	2	<1%	1
41	AS58057 AS3303	1	<1%	1
42	AS14630 AS3320 AS3303	1	<1%	1
43	AS7018 AS3320 AS3303	1	<1%	1
44	AS852 AS3320 AS3303	1	<1%	1
45	AS37721 AS3320 AS3303	1	<1%	1
46	AS1257 AS3320 AS3303	1	<1%	1
47	AS553 AS3320 AS3303	1	<1%	1
48	AS25220 AS3320 AS3303	1	<1%	1
49	AS64475 AS3320 AS3303	1	<1%	1
50	AS206356 AS3320 AS3303	1	<1%	1

50 of 257 paths shown. All of them are in the JSON.

More prefixes from AS3303

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 16:57 UTC, fetched just now.