BGP map for 158.146.145.0/24

158.146.145.0/24 is announced by AS1221 Telstra Limited and seen by 303 peers of 23 RIPE RIS collectors, over 236 different AS paths. Its busiest upstreams are AS4637 Telstra Global (96%), AS35280 F5 (3%) and AS4608 Asia Pacific Network Information Centre (<1%). The most common path, used by 11 peers, is AS24482 AS6453 AS4637 AS1221.

Routes checked 20:54:45 UTC

No change in the origin, the upstreams or the number of peers since 20:54 UTC, when this site first looked at 158.146.145.0/24.

AS-path graph toward 158.146.145.0/24

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 303 peers (4%) number on a line = peers using that link RIS data up to 20:53 UTC what the colours mean 12 of 236 paths drawn 5 quieter networks left out

Download PNG View JSON Raw upstream

303collector peers

23RIS collectors

236distinct AS paths

4.1average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS4637 Telstra Global	290	96%
AS35280 F5 F5 Networks SARL	8	3%
AS4608 Asia Pacific Network Information Centre	1	<1%
AS132847 Network Solutions Group Pty Ltd	1	<1%
AS36236 NetActuate, Inc	1	<1%
AS49544 i3Dnet i3D.net B.V	1	<1%
AS7474 SingTel Optus Pty Ltd	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS4637 Telstra Global	290	96%
AS3356 Level 3 Parent, LLC	56	18%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	26	9%
AS3257 GTT-BACKBONE GTT Communications Inc.	25	8%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	20	7%
AS9002 RETN-AS RETN Limited	20	7%
AS6939 Hurricane Electric LLC	12	4%
AS6461 Zayo Bandwidth	11	4%
AS5511 Opentransit Orange S.A.	9	3%
AS13030 INIT7 Init7 (Switzerland) Ltd.	8	3%

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 AS6453 AS4637 AS1221	11	4%	11
2	AS8218 AS6461 AS4637 AS1221	7	2%	6
3	AS6461 AS4637 AS1221	5	2%	5
4	AS13030 AS4637 AS1221	4	1%	4
5	AS47147 AS4637 AS1221	4	1%	4
6	AS12779 AS3257 AS4637 AS1221	4	1%	4
7	AS35280 AS1221	3	<1%	3
8	AS9002 AS4637 AS1221	3	<1%	3
9	AS49544 AS4637 AS1221	3	<1%	3
10	AS48185 AS3356 AS4637 AS1221	3	<1%	3
11	AS14840 AS3356 AS4637 AS1221	3	<1%	2
12	AS51185 AS6762 AS4637 AS1221	3	<1%	3
13	AS48362 AS9002 AS4637 AS1221	3	<1%	3
14	AS3257 AS4637 AS1221	2	<1%	2
15	AS6830 AS4637 AS1221	2	<1%	2
16	AS31027 AS4637 AS1221	2	<1%	1
17	AS8529 AS4637 AS1221	2	<1%	2
18	AS6762 AS4637 AS1221	2	<1%	2
19	AS199524 AS4637 AS1221	2	<1%	2
20	AS2497 AS4637 AS1221	2	<1%	2
21	AS19151 AS4637 AS1221	2	<1%	2
22	AS917 AS60068 AS4637 AS1221	2	<1%	2
23	AS62167 AS3356 AS4637 AS1221	2	<1%	2
24	AS25160 AS6453 AS4637 AS1221	2	<1%	2
25	AS42473 AS9002 AS4637 AS1221	2	<1%	2
26	AS49544 AS3356 AS4637 AS1221	2	<1%	1
27	AS34019 AS3303 AS4637 AS1221	2	<1%	2
28	AS15547 AS3303 AS4637 AS1221	2	<1%	2
29	AS47692 AS33891 AS4637 AS1221	2	<1%	2
30	AS59890 AS60068 AS4637 AS1221	2	<1%	2
31	AS271253 AS3356 AS4637 AS1221	2	<1%	1
32	AS199524 AS6762 AS4637 AS1221	2	<1%	2
33	AS58057 AS1836 AS3356 AS4637 AS1221	2	<1%	2
34	AS58057 AS34549 AS5511 AS4637 AS1221	2	<1%	2
35	AS142289 AS9583 AS7473 AS4637 AS1221	2	<1%	1
36	AS35710 AS48200 AS6762 AS4637 AS1221	2	<1%	2
37	AS51184 AS47692 AS33891 AS4637 AS1221	2	<1%	2
38	AS4608 AS1221	1	<1%	1
39	AS132847 AS1221	1	<1%	1
40	AS36236 AS1221	1	<1%	1
41	AS49544 AS1221	1	<1%	1
42	AS36924 AS35280 AS1221	1	<1%	1
43	AS1257 AS4637 AS1221	1	<1%	1
44	AS45489 AS4637 AS1221	1	<1%	1
45	AS3491 AS4637 AS1221	1	<1%	1
46	AS14907 AS4637 AS1221	1	<1%	1
47	AS49028 AS35280 AS1221	1	<1%	1
48	AS2027 AS35280 AS1221	1	<1%	1
49	AS8426 AS4637 AS1221	1	<1%	1
50	AS50628 AS35280 AS1221	1	<1%	1

50 of 236 paths shown. All of them are in the JSON.

More prefixes from AS1221

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 20:53 UTC, fetched just now.