BGP map for 145.255.136.0/21

145.255.136.0/21 is announced by AS20485 TRANSTELECOM and seen by 331 peers of 23 RIPE RIS collectors, over 259 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (17%), AS6762 SEABONE-NET (9%) and AS6453 TATA COMMUNICATIONS (AMERICA) INC (7%). The most common path, used by 10 peers, is AS24482 AS20485.

Routes checked 10:12:52 UTC

No change in the origin, the upstreams or the number of peers since 15:16 UTC on 28 Oct, when this site first looked at 145.255.136.0/21.

AS-path graph toward 145.255.136.0/21

origin Tier 1Tier 2edge network prefix best path: chosen by 10 of 331 peers (3%) number on a line = peers using that link RIS data up to 10:11 UTC what the colours mean 12 of 259 paths drawn 7 quieter networks left out

View JSON Raw upstream

331collector peers

23RIS collectors

259distinct AS paths

2.8average AS hops, 1 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	56	17%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	31	9%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	22	7%
AS3491 PCCW Global (HK) Ltd.	12	4%
AS6939 Hurricane Electric LLC	12	4%
AS24482 SG.GS	10	3%
AS8218 NEO-ASN Zayo Infrastructure France SA	8	2%
AS6461 Zayo Bandwidth	7	2%
AS13030 INIT7 Init7 (Switzerland) Ltd.	7	2%
AS14840 BR.Digital Telecom	5	2%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	54	16%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	29	9%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	21	6%
AS6939 Hurricane Electric LLC	12	4%
AS3491 PCCW Global (HK) Ltd.	9	3%
AS2914 NTT America, Inc.	7	2%
AS3356 Level 3 Parent, LLC	6	2%
AS174 Cogent Communications, LLC	6	2%
AS37468 Angola Cables	4	1%
AS3257 GTT-BACKBONE GTT Communications Inc.	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 AS20485	10	3%	10
2	AS8218 AS20485	7	2%	6
3	AS6461 AS20485	5	2%	5
4	AS13030 AS20485	4	1%	4
5	AS14840 AS20485	4	1%	2
6	AS47147 AS1299 AS20485	4	1%	4
7	AS3491 AS20485	3	<1%	3
8	AS48185 AS20485	3	<1%	3
9	AS49544 AS20485	3	<1%	3
10	AS34019 AS20485	3	<1%	3
11	AS25091 AS20485	3	<1%	3
12	AS48362 AS20485	3	<1%	3
13	AS2914 AS6762 AS20485	3	<1%	3
14	AS9002 AS6453 AS20485	3	<1%	3
15	AS199524 AS1299 AS20485	3	<1%	3
16	AS62167 AS20485	2	<1%	2
17	AS25160 AS20485	2	<1%	2
18	AS1299 AS20485	2	<1%	2
19	AS35710 AS20485	2	<1%	2
20	AS8529 AS20485	2	<1%	2
21	AS51185 AS20485	2	<1%	2
22	AS3214 AS20485	2	<1%	2
23	AS35280 AS20485	2	<1%	2
24	AS212483 AS20485	2	<1%	1
25	AS14907 AS20485	2	<1%	2
26	AS15547 AS20485	2	<1%	2
27	AS12779 AS20485	2	<1%	2
28	AS6762 AS20485	2	<1%	2
29	AS51184 AS20485	2	<1%	2
30	AS47692 AS20485	2	<1%	2
31	AS2497 AS20485	2	<1%	2
32	AS42473 AS1299 AS20485	2	<1%	2
33	AS34927 AS1299 AS20485	2	<1%	2
34	AS58057 AS1836 AS20485	2	<1%	2
35	AS31027 AS6797 AS20485	2	<1%	1
36	AS59890 AS6939 AS20485	2	<1%	2
37	AS20612 AS8758 AS20485	2	<1%	1
38	AS199524 AS6762 AS20485	2	<1%	2
39	AS49544 AS3356 AS1299 AS20485	2	<1%	1
40	AS19151 AS2914 AS6453 AS20485	2	<1%	2
41	AS142289 AS9583 AS4755 AS6453 AS20485	2	<1%	1
42	AS20485	1	<1%	1
43	AS14630 AS20485	1	<1%	1
44	AS34549 AS20485	1	<1%	1
45	AS204092 AS20485	1	<1%	1
46	AS49673 AS20485	1	<1%	1
47	AS37721 AS20485	1	<1%	1
48	AS17639 AS20485	1	<1%	1
49	AS6057 AS20485	1	<1%	1
50	AS3212 AS20485	1	<1%	1

50 of 259 paths shown. All of them are in the JSON.

More prefixes from AS20485

Routes seen by RIPE RIS in the 24 hours up to 7 Nov 2026, 10:11 UTC, fetched 23 hours ago.