ASN Lookup Tool

CTG Server Limited ctgserver.com HK HK 668 Routes

AS Data

AS152194

AS152194CTG Server Limited

AS Number 152194
AS Name CTGSERVERLIMITED-AS-AP
Organization CTG Server Limited (org-csl17-ap)
Country HK
Website ctgserver.com
Number of IPv4 Routes 665
Number of IPv6 Routes 3
ASN type HOSTING
Registry APNIC
Date Allocated N/A

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Use ASN data for AS152194 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
117.18.4.0/24 256
118.107.41.0/24 256
137.220.128.0/24 256
202.95.15.0/24 256
202.61.145.0/24 256
202.146.217.0/24 256
192.253.233.0/24 256
134.122.224.0/19 8192
202.79.167.0/24 256
143.92.36.0/24 256
202.61.175.0/24 256
192.252.182.0/24 256
202.61.169.0/24 256
43.226.127.0/24 256
121.127.250.0/24 256
202.61.180.0/24 256
134.122.225.0/24 256
137.220.253.0/24 256
143.92.42.0/24 256
27.124.62.0/24 256
103.254.109.0/24 256
134.122.196.0/24 256
134.122.201.0/24 256
134.122.200.0/24 256
121.127.244.0/24 256
202.36.56.0/24 256
192.252.176.0/24 256
14.128.33.0/24 256
134.122.141.0/24 256
134.122.171.0/24 256
103.41.65.0/24 256
202.61.181.0/24 256
202.146.223.0/24 256
134.122.255.0/24 256
137.220.217.0/24 256
210.56.56.0/24 256
118.107.60.0/24 256
134.122.142.0/24 256
27.124.43.0/24 256
202.146.222.0/24 256
43.243.30.0/24 256
134.122.135.0/24 256
43.226.126.0/24 256
192.252.181.0/24 256
137.220.218.0/24 256
210.56.57.0/24 256
202.61.174.0/24 256
1.32.229.0/24 256
134.122.165.0/24 256
27.124.42.0/24 256
143.92.35.0/24 256
202.61.146.0/24 256
192.253.228.0/24 256
103.138.149.0/24 256
121.127.245.0/24 256
192.253.234.0/24 256
117.18.3.0/24 256
134.122.172.0/24 256
14.128.32.0/24 256
1.32.205.0/24 256

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS151866 - AS152889'

as-block:       AS151866 - AS152889
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2023-05-11T00:08:47Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS152194'

% Abuse contact for 'AS152194' is 'abuse@ctgserver.net'

aut-num:        AS152194
as-name:        CTGSERVERLIMITED-AS-AP
descr:          CTG Server Limited
country:        HK
org:            ORG-CSL17-AP
admin-c:        CSLA12-AP
tech-c:         CSLA12-AP
abuse-c:        AC2758-AP
mnt-lower:      MAINT-CTGSERVERLIMITED-HK
mnt-routes:     MAINT-CTGSERVERLIMITED-HK
mnt-by:         APNIC-HM
mnt-irt:        IRT-CTGSERVERLIMITED-HK
last-modified:  2023-12-22T08:31:12Z
source:         APNIC

irt:            IRT-CTGSERVERLIMITED-HK
address:        8-12 Wong Chuk Yeung Street, Fo Tan, Shatin, New Territories
e-mail:         abuse@ctgserver.net
abuse-mailbox:  abuse@ctgserver.net
admin-c:        CSLA13-AP
tech-c:         CSLA13-AP
auth:           # Filtered
remarks:        abuse@ctgserver.net was validated on 2026-06-17
mnt-by:         MAINT-CTGSERVERLIMITED-HK
last-modified:  2026-06-17T17:03:55Z
source:         APNIC

organisation:   ORG-CSL17-AP
org-name:       CTG Server Limited
org-type:       LIR
country:        HK
address:        8-12 Wong Chuk Yeung Street,
address:        Fo Tan, Shatin, New Territories
address:        Hong Kong
phone:          +852-36110789
e-mail:         cs.mail@ctgserver.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-01-08T13:08:41Z
source:         APNIC

role:           ABUSE CTGSERVERLIMITEDHK
country:        ZZ
address:        8-12 Wong Chuk Yeung Street, Fo Tan, Shatin, New Territories
phone:          +000000000
e-mail:         abuse@ctgserver.net
admin-c:        CSLA13-AP
tech-c:         CSLA13-AP
nic-hdl:        AC2758-AP
remarks:        Generated from irt object IRT-CTGSERVERLIMITED-HK
remarks:        abuse@ctgserver.net was validated on 2026-06-17
abuse-mailbox:  abuse@ctgserver.net
mnt-by:         APNIC-ABUSE
last-modified:  2026-06-17T17:04:24Z
source:         APNIC

role:           CTG Server Limited administrator
address:        8-12 Wong Chuk Yeung Street, Fo Tan, Shatin, New Territories
country:        HK
phone:          +852-36110789
e-mail:         abuse@ctgserver.net
admin-c:        CSLA13-AP
tech-c:         CSLA13-AP
nic-hdl:        CSLA12-AP
mnt-by:         MAINT-CTGSERVERLIMITED-HK
last-modified:  2026-06-17T16:57:34Z
abuse-mailbox:  abuse@ctgserver.net
remarks:        spam and abuse report : abuse@ctgserver.net
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)

Parsed Whois Response

Peers

AS Number Description Country
AS64049 Reliance Jio Infocomm Pte Ltd Singapore SG
AS63956 5G NETWORK OPERATIONS PTY LTD AU
AS59139 PT Wifiku Indonesia ID
AS6939 Hurricane Electric LLC US
AS8359 MTS PJSC RU
AS38880 Micron21 Datacentre Pty Ltd AU
AS14537 Continent 8 LLC US
AS58643 Photon Link Limited HK
AS45352 IP ServerOne Solutions Sdn Bhd MY
AS4229 Zenlayer Inc US
AS17557 Pakistan Telecommunication Company Limited PK
AS8529 Zain Omantel International FZ-LLC AE
AS199524 G-Core Labs S.A. LU
AS14907 Wikimedia Foundation Inc. US
AS15802 Emirates Integrated Telecommunications Company PJSC AE
AS3223 Voxility LLP GB
AS51185 MainStreaming SpA IT
AS51847 Nearoute Limited HK
AS3491 PCCW Global HK
AS141137 PT Media Cepat Indonesia ID
AS16552 Tiggee LLC US
AS45489 Sri Lanka Telecom Ltd LK
AS56258 PT. PGAS TELEKOMUNIKASI NUSANTARA ID
AS9583 Sify Limited IN
AS33891 Core-Backbone GmbH DE
AS32590 Valve Corporation US
AS57463 NetIX Communications JSC BG
AS7713 PT Telekomunikasi Indonesia ID
AS10099 China Unicom Global HK
AS138128 PT Solnet Indonesia ID
AS7575 Australian Academic and Research Network AU
AS58717 Summit Communications Ltd BD
AS135607 Infinivan Incorporated PH
AS140627 OneQode AU
AS1828 Unitas Global US
AS38001 NewMedia Express Pte Ltd SG
AS63902 SHINE TELECOM CO., LTD. TW
AS136106 PT. Mega Akses Persada ID
AS38158 PT. Cyberindo Aditama ID
AS58511 Anycast Global Backbone AU
AS24482 SG.GS SG
AS9304 HGC Global Communications Limited HK
AS4635 Hong Kong Internet Exchange--Route Server 1 HK
AS142271 EWS DS Networks Inc PH
AS45701 PT. Internet Madju Abad Milenindo ID
AS24516 Virtutel Pty Ltd AU
AS61292 Blix Group AS NO
AS4764 Aussie Broadband AU
AS45489 Sri Lanka Telecom PLC, GLobal Peering LK
AS152711 Suike Information Technology SiChuan Co., Ltd CN
AS4826 Vocus Connect International Backbone AU
AS132132 MyRepublic Ltd. SG
AS4635 The Hong Kong Internet Exchange Limited HK
AS2914 NTT America, Inc. US
AS33891 Core Backbone GmbH DE
AS56665 Proximus Luxembourg S.A. LU
AS59217 Azonne Limited HK
AS17660 DrukNet ISP BT
AS9583 Sify Ltd IN
AS8529 Zain Omantel International FZ LLC AE

Upstreams

AS Number Description Country
AS39120 Convergenze S.p.A. IT
AS24482 SG.GS SG
AS9583 Sify Limited IN
AS9002 RETN Limited GB
AS64050 BGP Network Limited HK
AS6939 Hurricane Electric LLC US
AS8359 MTS PJSC RU
AS4635 The Hong Kong Internet Exchange Limited HK
AS2914 NTT America, Inc. US
AS58643 Photon Link Limited HK
AS33891 Core Backbone GmbH DE
AS17557 Pakistan Telecommunication Company Limited PK
AS7575 Australian Academic and Research Network AU
AS35280 F5 Networks SARL FR
AS15802 Emirates Integrated Telecommunications Company PJSC AE
AS3491 PCCW Global HK Limited HK
AS17476 CloudRadium HK Limited HK
AS51847 Nearoute Limited HK
AS137409 GSL Networks Pty LTD AU

Downstreams

AS Number Description Country
AS64050 BGP Network Limited HK
AS152711 Suike Information Technology SiChuan Co., Ltd CN
AS3491 PCCW Global HK Limited HK
AS2914 NTT America, Inc. US
AS63902 SHINE TELECOM CO., LTD. TW

Legacy Routes

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Frequently Asked Questions

ASN AS152194 is an Autonomous System Number used to identify a network for BGP internet routing.
AS152194 is listed under CTG Server Limited.
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.