BGP map for 156.59.128.0/21

156.59.128.0/21 is announced by AS21859 Zenlayer Inc and seen by 338 peers of 23 RIPE RIS collectors, over 269 different AS paths. Its busiest upstreams are AS4229 Zenlayer Inc (48%), AS18403 FPT Telecom Company (45%) and AS7552 Viettel Group (7%). The most common path, used by 10 peers, is AS24482 AS18403 AS21859.

Routes checked 20:17:55 UTC

No change in the origin, the upstreams or the number of peers since 20:17 UTC, when this site first looked at 156.59.128.0/21.

AS-path graph toward 156.59.128.0/21

origin Tier 1Tier 2transitedge network prefix best path: chosen by 10 of 338 peers (3%) number on a line = peers using that link RIS data up to 20:17 UTC what the colours mean 12 of 269 paths drawn 4 quieter networks left out

Download PNG View JSON Raw upstream

338collector peers

23RIS collectors

269distinct AS paths

3.9average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS4229 Zenlayer Inc	161	48%
AS18403 FPT Telecom Company	153	45%
AS7552 Viettel Group	24	7%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS4229 Zenlayer Inc	161	48%
AS18403 FPT Telecom Company	152	45%
AS2914 NTT America, Inc.	46	14%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	43	13%
AS1299 TWELVE99 Arelion Sweden AB	26	8%
AS7552 Viettel Group	24	7%
AS4637 Telstra Global	19	6%
AS6939 Hurricane Electric LLC	17	5%
AS3491 PCCW Global (HK) Ltd.	11	3%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	9	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 AS18403 AS21859	10	3%	10
2	AS8218 AS6461 AS4637 AS18403 AS21859	7	2%	6
3	AS6461 AS4637 AS18403 AS21859	5	1%	5
4	AS12779 AS18403 AS21859	4	1%	4
5	AS14840 AS18403 AS21859	4	1%	2
6	AS13030 AS3491 AS7552 AS21859	4	1%	4
7	AS2914 AS4229 AS21859	3	<1%	3
8	AS3491 AS7552 AS21859	3	<1%	3
9	AS34019 AS18403 AS21859	3	<1%	3
10	AS25091 AS18403 AS21859	3	<1%	3
11	AS48362 AS18403 AS21859	3	<1%	3
12	AS48185 AS2914 AS4229 AS21859	3	<1%	3
13	AS25160 AS18403 AS21859	2	<1%	2
14	AS1299 AS4229 AS21859	2	<1%	2
15	AS31027 AS18403 AS21859	2	<1%	1
16	AS35710 AS18403 AS21859	2	<1%	2
17	AS3214 AS18403 AS21859	2	<1%	2
18	AS212483 AS18403 AS21859	2	<1%	1
19	AS49544 AS18403 AS21859	2	<1%	2
20	AS15547 AS18403 AS21859	2	<1%	2
21	AS51184 AS18403 AS21859	2	<1%	2
22	AS47692 AS18403 AS21859	2	<1%	2
23	AS917 AS60068 AS4229 AS21859	2	<1%	2
24	AS3257 AS6453 AS4229 AS21859	2	<1%	2
25	AS6830 AS2914 AS4229 AS21859	2	<1%	2
26	AS34927 AS1299 AS4229 AS21859	2	<1%	2
27	AS50628 AS6453 AS4229 AS21859	2	<1%	2
28	AS58057 AS1836 AS18403 AS21859	2	<1%	2
29	AS49544 AS3356 AS18403 AS21859	2	<1%	1
30	AS142289 AS9583 AS4229 AS21859	2	<1%	1
31	AS14907 AS3491 AS7552 AS21859	2	<1%	2
32	AS47147 AS1299 AS4229 AS21859	2	<1%	2
33	AS6762 AS6453 AS4229 AS21859	2	<1%	2
34	AS59890 AS60068 AS4229 AS21859	2	<1%	2
35	AS20612 AS8758 AS18403 AS21859	2	<1%	1
36	AS9002 AS6453 AS4229 AS21859	2	<1%	2
37	AS199524 AS1299 AS4229 AS21859	2	<1%	2
38	AS2497 AS2914 AS4229 AS21859	2	<1%	2
39	AS19151 AS4637 AS18403 AS21859	2	<1%	2
40	AS199524 AS6453 AS4229 AS21859	2	<1%	2
41	AS62167 AS3257 AS6453 AS4229 AS21859	2	<1%	2
42	AS18403 AS21859	1	<1%	1
43	AS1828 AS18403 AS21859	1	<1%	1
44	AS6424 AS18403 AS21859	1	<1%	1
45	AS14630 AS18403 AS21859	1	<1%	1
46	AS34549 AS18403 AS21859	1	<1%	1
47	AS37721 AS18403 AS21859	1	<1%	1
48	AS17639 AS4229 AS21859	1	<1%	1
49	AS38001 AS4229 AS21859	1	<1%	1
50	AS24482 AS4229 AS21859	1	<1%	1

50 of 269 paths shown. All of them are in the JSON.

More prefixes from AS21859

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 20:17 UTC, fetched just now.