BGP map for 156.59.128.0/21

156.59.128.0/21 is announced by AS21859 Zenlayer Inc and seen by 346 peers of 23 RIPE RIS collectors, over 278 different AS paths. Its busiest upstreams are AS4229 Zenlayer Inc (42%), AS18403 FPT Telecom Company (39%) and AS7552 Viettel Group (18%). The most common path, used by 7 peers, is AS8218 AS7552 AS21859.

Routes checked 10:52:21 UTC

Recent route changes

8 Nov 10:52 UTCThe prefix is announced again, seen by 346 collector peers
7 Nov 19:59 UTCNo collector peer sees the prefix any more

AS-path graph toward 156.59.128.0/21

origin Tier 1Tier 2transitedge network prefix best path: chosen by 7 of 346 peers (2%) number on a line = peers using that link RIS data up to 07:59 UTC what the colours mean 12 of 278 paths drawn 5 quieter networks left out

View JSON Raw upstream

346collector peers

23RIS collectors

278distinct AS paths

3.8average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS4229 Zenlayer Inc	147	42%
AS18403 FPT Telecom Company	136	39%
AS7552 Viettel Group	63	18%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS4229 Zenlayer Inc	147	42%
AS18403 FPT Telecom Company	134	39%
AS7552 Viettel Group	61	18%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	56	16%
AS2914 NTT America, Inc.	28	8%
AS6939 Hurricane Electric LLC	17	5%
AS1299 TWELVE99 Arelion Sweden AB	16	5%
AS174 Cogent Communications, LLC	13	4%
AS4637 Telstra Global	12	3%
AS3491 PCCW Global (HK) Ltd.	10	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	AS8218 AS7552 AS21859	7	2%	6
2	AS24482 AS18403 AS21859	6	2%	6
3	AS6461 AS4637 AS18403 AS21859	5	1%	5
4	AS12779 AS18403 AS21859	4	1%	4
5	AS24482 AS7552 AS21859	4	1%	4
6	AS14840 AS18403 AS21859	4	1%	2
7	AS13030 AS3491 AS7552 AS21859	4	1%	4
8	AS48185 AS7552 AS21859	3	<1%	3
9	AS2914 AS4229 AS21859	3	<1%	3
10	AS3491 AS7552 AS21859	3	<1%	3
11	AS34019 AS18403 AS21859	3	<1%	3
12	AS25091 AS18403 AS21859	3	<1%	3
13	AS48362 AS18403 AS21859	3	<1%	3
14	AS7552 AS21859	2	<1%	2
15	AS18403 AS21859	2	<1%	1
16	AS50628 AS7552 AS21859	2	<1%	2
17	AS62167 AS7552 AS21859	2	<1%	2
18	AS1299 AS4229 AS21859	2	<1%	2
19	AS212483 AS18403 AS21859	2	<1%	1
20	AS49544 AS18403 AS21859	2	<1%	2
21	AS15547 AS18403 AS21859	2	<1%	2
22	AS47692 AS18403 AS21859	2	<1%	2
23	AS51184 AS18403 AS21859	2	<1%	2
24	AS3214 AS18403 AS21859	2	<1%	2
25	AS35710 AS18403 AS21859	2	<1%	2
26	AS58057 AS1836 AS18403 AS21859	2	<1%	2
27	AS3320 AS6453 AS4229 AS21859	2	<1%	2
28	AS3257 AS6453 AS4229 AS21859	2	<1%	2
29	AS6830 AS2914 AS4229 AS21859	2	<1%	2
30	AS917 AS60068 AS4229 AS21859	2	<1%	2
31	AS14907 AS3491 AS7552 AS21859	2	<1%	2
32	AS8529 AS6453 AS4229 AS21859	2	<1%	2
33	AS47147 AS1299 AS4229 AS21859	2	<1%	2
34	AS59890 AS60068 AS4229 AS21859	2	<1%	2
35	AS9002 AS6453 AS4229 AS21859	2	<1%	2
36	AS19151 AS4637 AS18403 AS21859	2	<1%	2
37	AS6762 AS6453 AS4229 AS21859	2	<1%	2
38	AS199524 AS6453 AS4229 AS21859	2	<1%	2
39	AS20612 AS8758 AS18403 AS21859	2	<1%	1
40	AS49544 AS3356 AS18403 AS21859	2	<1%	1
41	AS142289 AS9583 AS4229 AS21859	2	<1%	1
42	AS31027 AS6797 AS18403 AS21859	2	<1%	1
43	AS37721 AS18403 AS21859	1	<1%	1
44	AS38001 AS4229 AS21859	1	<1%	1
45	AS17639 AS4229 AS21859	1	<1%	1
46	AS37989 AS4229 AS21859	1	<1%	1
47	AS24482 AS4229 AS21859	1	<1%	1
48	AS34549 AS18403 AS21859	1	<1%	1
49	AS28792 AS7552 AS21859	1	<1%	1
50	AS1828 AS18403 AS21859	1	<1%	1

50 of 278 paths shown. All of them are in the JSON.

More prefixes from AS21859

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 07:59 UTC, fetched just now.