ASN Lookup Tool

Zenlayer Inc zenlayer.com US US 1763 Routes

AS Data

AS21859

AS21859 – Zenlayer Inc

AS Number 21859
AS Name ZEN-ECN
Organization Zenlayer Inc(zenla-7)
Country US
Website zenlayer.com
Number of IPv4 Routes 1623
Number of IPv6 Routes 140
ASN type BUSINESS
Registry ARIN
Date Allocated 2013-04-02

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Use ASN data for AS21859 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
156.59.225.0/24 256
107.151.129.0/24 256
103.122.179.0/24 256
128.1.42.0/24 256
107.151.140.0/24 256
38.33.155.0/24 256
107.150.113.0/24 256
146.103.69.0/24 256
103.206.22.0/24 256
128.14.87.0/24 256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       21859
ASName:         ZEN-ECN
ASHandle:       AS21859
RegDate:        2013-04-02
Updated:        2021-07-17    
Ref:            https://rdap.arin.net/registry/autnum/21859


OrgName:        Zenlayer Inc
OrgId:          ZENLA-7
Address:        21680 Gateway Center Dr. Suite 350
City:           Diamond Bar
StateProv:      CA
PostalCode:     91765
Country:        US
RegDate:        2017-12-27
Updated:        2025-09-04
Ref:            https://rdap.arin.net/registry/entity/ZENLA-7


OrgTechHandle: TANGR16-ARIN
OrgTechName:   Tang, Ruifan 
OrgTechPhone:  +1-800-858-7986 
OrgTechEmail:  ruifan.tang@zenlayer.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TANGR16-ARIN

OrgNOCHandle: IPNOC27-ARIN
OrgNOCName:   IPNOC
OrgNOCPhone:  +1-800-858-7986 
OrgNOCEmail:  ipnoc-t3@zenlayer.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/IPNOC27-ARIN

OrgAbuseHandle: SOCOP-ARIN
OrgAbuseName:   SOC Ops
OrgAbusePhone:  +1-909-718-3558 
OrgAbuseEmail:  abuse@zenlayer.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SOCOP-ARIN

OrgTechHandle: IPNOC27-ARIN
OrgTechName:   IPNOC
OrgTechPhone:  +1-800-858-7986 
OrgTechEmail:  ipnoc-t3@zenlayer.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPNOC27-ARIN

OrgTechHandle: IPADM641-ARIN
OrgTechName:   IP ADMIN
OrgTechPhone:  +1-909-718-3558 
OrgTechEmail:  ipadmin@zenlayer.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IPADM641-ARIN

OrgNOCHandle: IPADM641-ARIN
OrgNOCName:   IP ADMIN
OrgNOCPhone:  +1-909-718-3558 
OrgNOCEmail:  ipadmin@zenlayer.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/IPADM641-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS137552 Terabix Technologies Sdn. Bhd. MY
AS28792 Public Internet Ltd GB
AS18734 Operbes, S.A. de C.V. MX
AS38880 Micron21 Datacentre Pty Ltd AU
AS274778 ZENLAYER TECNOLOGIAS LTDA BR
AS63981 Nova Technology Development Hong Kong Limited HK
AS139341 ACEVILLE PTE.LTD. SG
AS6079 RCN US
AS206735 Novelcomm LP GR
AS3216 PJSC "Vimpelcom" RU

Upstreams

AS Number Description Country
AS5511 Orange S.A. FR
AS262589 SAMM TECNOLOGIA E TELECOMUNICACOES S.A BR
AS39249 Netassist International EOOD BG
AS18734 Operbes, S.A. de C.V. MX
AS9260 Multinet Pakistan Pvt. Ltd. PK
AS286 GTT Communications Inc. US
AS31133 PJSC MegaFon RU
AS8781 Ooredoo Q.S.C. QA
AS15943 wilhelm.tel GmbH DE
AS56655 Gigahost AS NO

Downstreams

AS Number Description Country
AS137552 Terabix Technologies Sdn. Bhd. MY
AS203075 LocalLink Fibre Ltd GB
AS152645 Flextech Inc. JP
AS13631 CITADEL ENTERPRISE AMERICAS LLC US
AS133847 Anpple Tech Enterprise MY
AS18046 DongFong Technology Co. Ltd. TW
AS136975 Next Tier Trading Company Limited MM
AS274778 ZENLAYER TECNOLOGIAS LTDA BR
AS63731 TIEN PHAT TECHNOLOGY CORPORATION VN
AS131659 NETEASE TW

Contacts

Email Contacts

ipadmin@zenlayer.com ipnoc-t3@zenlayer.com ruifan.tang@zenlayer.com

Abuse Contacts

abuse@zenlayer.com

Legacy Routes

154.94.57.0/24 128.1.222.0/24 129.227.162.0/24 154.94.42.0/24 198.44.164.0/24 2404:3880::/32 103.239.103.0/24 151.243.26.0/24 23.91.109.0/24 128.1.152.0/24 98.96.221.0/24 69.165.66.0/24 43.225.95.0/24 104.234.98.0/24 140.228.30.0/24 210.87.206.0/24 154.193.129.0/24 165.84.245.0/24 45.39.70.0/24 104.234.28.0/24 129.227.160.0/21 163.5.58.0/24 129.227.163.0/24 27.50.2.0/24 209.200.238.0/24 156.231.86.0/24 50.118.216.0/24 156.59.123.0/24 129.227.164.0/24 103.140.146.0/23 2404:ff40:4000::/36 66.93.25.0/24 152.32.230.0/24 156.59.146.0/24 128.14.68.0/24 156.238.113.0/24 104.234.62.0/24 23.91.110.0/23 163.5.237.0/24 156.231.85.0/24 128.14.50.0/24 103.103.247.0/24 156.226.165.0/24 152.32.232.0/24 45.192.245.0/24 2404:e5c0::/32 156.226.164.0/24 103.188.121.0/24 98.98.69.0/24 150.107.0.0/24 103.103.246.0/24 156.231.84.0/24 107.151.221.0/24 172.81.127.0/24 45.196.31.0/24 146.71.85.0/24 128.14.71.0/24 156.231.87.0/24

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Frequently Asked Questions

ASN AS21859 is an Autonomous System Number used to identify a network for BGP internet routing.
AS21859 is listed under Zenlayer Inc.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.