bgpmap

BGP map for 156.59.136.0/21

156.59.136.0/21 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 (52%), AS18403 FPT Telecom Company (46%) and AS55720 Gigabit Hosting Sdn Bhd (<1%). The most common path, used by 10 peers, is AS24482 AS18403 AS21859.

Routes checked 21:16:41 UTC

No change in the origin, the upstreams or the number of peers since 21:16 UTC, when this site first looked at 156.59.136.0/21.

AS-path graph toward 156.59.136.0/21
BGP map of 156.59.136.0/2113 networks on the paths RIPE RIS collector peers use to reach 156.59.136.0/21. Best path, chosen by the most peers: AS24482 → AS18403 → AS21859.AS8218 → AS6461 · 7 routesAS6461 → AS4637 · 12 routesAS4637 → AS18403 · 16 routesAS12779 → AS18403 · 4 routesAS14840 → AS18403 · 4 routesAS13030 → AS4637 · 4 routesAS2914 → AS4229 · 9 routesAS4229 → AS21859 · 9 routesAS3491 → AS2914 · 3 routesAS48185 → AS2914 · 3 routesAS24482 → AS18403 · 10 routes · best pathAS18403 → AS21859 · 43 routes · best pathAS21859 → 156.59.136.0/21 · 52 routes · best path7AS8218 → AS6461 · 7 routes12AS6461 → AS4637 · 12 routes16AS4637 → AS18403 · 16 routes4AS12779 → AS18403 · 4 routes4AS14840 → AS18403 · 4 routes4AS13030 → AS4637 · 4 routes9AS2914 → AS4229 · 9 routes9AS4229 → AS21859 · 9 routes3AS3491 → AS2914 · 3 routes3AS48185 → AS2914 · 3 routes10AS24482 → AS18403 · 10 routes · best path43AS18403 → AS21859 · 43 routes · best path52AS21859 → 156.59.136.0/21 · 52 routes · best pathAS21859Zenlayer IncAS21859 Zenlayer Inc · origin · 52 routes · on the best pathAS18403FPT Telecom CompanyAS18403 FPT Telecom Company · transit · 43 routes · on the best pathT2AS4637Telstra GlobalAS4637 Telstra Global · Tier 2 · 16 routesT1AS6461Zayo BandwidthAS6461 Zayo Bandwidth · Tier 1 · 12 routesAS24482SG.GSAS24482 SG.GS · edge network · 10 routes · on the best pathT1AS2914NTT America, Inc.AS2914 NTT America, Inc. · Tier 1 · 9 routesAS4229Zenlayer IncAS4229 Zenlayer Inc · transit · 9 routesAS8218NEO-ASN ZayoInfrastructure France SAAS8218 NEO-ASN Zayo Infrastructure France SA · edge network · 7 routesAS12779ITGATE IT.Gate S.p.A.AS12779 ITGATE IT.Gate S.p.A. · edge network · 4 routesAS14840BR.Digital TelecomAS14840 BR.Digital Telecom · edge network · 4 routesT2AS13030INIT7 Init7(Switzerland) Ltd.AS13030 INIT7 Init7 (Switzerland) Ltd. · Tier 2 · 4 routesT1AS3491PCCW Global (HK) Ltd.AS3491 PCCW Global (HK) Ltd. · Tier 1 · 3 routesAS48185team_blue team.blue NVAS48185 team_blue team.blue NV · edge network · 3 routes156.59.136.0/21156.59.136.0/21

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 21:16 UTC what the colours mean 12 of 269 paths drawn 3 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.

NetworkPeersShare
AS4229 Zenlayer Inc17752%
AS18403 FPT Telecom Company15646%
AS55720 Gigabit Hosting Sdn Bhd1<1%
AS24482 SG.GS1<1%
AS36236 NetActuate, Inc1<1%
AS8359 MTS MTS PJSC1<1%
AS2518 BIGLOBE Inc.1<1%

Transit networks

Networks between the collector peer and the origin.

NetworkPeersShare
AS4229 Zenlayer Inc17752%
AS18403 FPT Telecom Company15546%
AS6453 TATA COMMUNICATIONS (AMERICA) INC5717%
AS2914 NTT America, Inc.4714%
AS1299 TWELVE99 Arelion Sweden AB257%
AS4637 Telstra Global247%
AS174 Cogent Communications, LLC175%
AS6939 Hurricane Electric LLC175%
AS6461 Zayo Bandwidth82%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.72%

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 originPeersShareCollectors
1AS24482AS18403AS21859103%10
2AS8218AS6461AS4637AS18403AS2185972%6
3AS6461AS4637AS18403AS2185951%5
4AS12779AS18403AS2185941%4
5AS14840AS18403AS2185941%2
6AS13030AS4637AS18403AS2185941%4
7AS2914AS4229AS218593<1%3
8AS34019AS18403AS218593<1%3
9AS25091AS18403AS218593<1%3
10AS48362AS18403AS218593<1%3
11AS3491AS2914AS4229AS218593<1%3
12AS48185AS2914AS4229AS218593<1%3
13AS25160AS18403AS218592<1%2
14AS1299AS4229AS218592<1%2
15AS31027AS18403AS218592<1%1
16AS35710AS18403AS218592<1%2
17AS3214AS18403AS218592<1%2
18AS212483AS18403AS218592<1%1
19AS49544AS18403AS218592<1%2
20AS15547AS18403AS218592<1%2
21AS51184AS18403AS218592<1%2
22AS47692AS18403AS218592<1%2
23AS917AS60068AS4229AS218592<1%2
24AS3257AS6453AS4229AS218592<1%2
25AS6830AS2914AS4229AS218592<1%2
26AS34927AS1299AS4229AS218592<1%2
27AS50628AS6453AS4229AS218592<1%2
28AS58057AS1836AS18403AS218592<1%2
29AS49544AS3356AS18403AS218592<1%1
30AS142289AS9583AS4229AS218592<1%1
31AS47147AS1299AS4229AS218592<1%2
32AS6762AS6453AS4229AS218592<1%2
33AS59890AS60068AS4229AS218592<1%2
34AS20612AS8758AS18403AS218592<1%1
35AS9002AS6453AS4229AS218592<1%2
36AS199524AS1299AS4229AS218592<1%2
37AS2497AS2914AS4229AS218592<1%2
38AS19151AS4637AS18403AS218592<1%2
39AS199524AS6453AS4229AS218592<1%2
40AS62167AS174AS6453AS4229AS218592<1%2
41AS271253AS174AS6453AS4229AS218592<1%1
42AS55720AS218591<1%1
43AS24482AS218591<1%1
44AS36236AS218591<1%1
45AS18403AS218591<1%1
46AS1828AS18403AS218591<1%1
47AS6424AS18403AS218591<1%1
48AS14630AS18403AS218591<1%1
49AS34549AS18403AS218591<1%1
50AS37721AS18403AS218591<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, 21:16 UTC, fetched just now.