ASN Lookup Tool

China Telecom Global Limited chinatelecomglobal.com HK HK 214 Routes

AS Data

AS23764

AS23764 – China Telecom Global Limited

AS Number 23764
AS Name CTGNet
Organization China Telecom Global Limited (org-ctgl1-ap)
Country HK
Website chinatelecomglobal.com
Number of IPv4 Routes 185
Number of IPv6 Routes 29
ASN type ISP
Registry APNIC
Date Allocated 2020-06-12

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IP Ranges

Route # IPs
203.128.224.0/24 256
202.55.5.0/24 256
5.154.156.0/24 256
2400:9380:a003::/48 ~1×10²⁴
203.19.32.0/22 1024
102.217.166.0/24 256
145.14.69.0/24 256
210.48.140.0/22 1024
63.140.4.0/24 256
203.20.142.0/24 256
5.154.144.0/24 256
69.194.173.0/24 256
79.139.14.0/24 256
203.129.9.0/24 256
203.34.199.0/24 256
2400:9380:9206::/48 ~1×10²⁴
203.19.37.0/24 256
2c0f:f7a8:9011::/48 ~1×10²⁴
203.80.139.0/24 256
145.14.92.0/24 256
125.93.27.0/24 256
203.82.19.0/24 256
79.139.5.0/24 256
102.217.167.0/24 256
5.154.147.0/24 256
203.14.189.0/24 256
202.55.16.0/24 256
154.72.40.0/24 256
203.86.106.0/24 256
203.144.105.0/24 256
147.78.133.0/24 256
203.15.116.0/24 256
2400:9380:a028::/48 ~1×10²⁴
183.91.63.0/24 256
121.59.38.0/24 256
203.19.38.0/24 256
45.196.25.0/24 256
2400:9380:a016::/48 ~1×10²⁴
121.59.109.0/24 256
220.174.94.0/23 512
2c0f:f7a8:29::/48 ~1×10²⁴
2804:1e48:9001::/48 ~1×10²⁴
203.33.9.0/24 256
2c0f:f7a8:47::/48 ~1×10²⁴
2400:9380:a00a::/48 ~1×10²⁴
131.221.83.0/24 256
2a04:f581:a123::/48 ~1×10²⁴
202.55.17.0/24 256
2c0f:f7a8:1::/48 ~1×10²⁴
154.72.46.0/24 256
79.139.13.0/24 256
45.196.27.0/24 256
203.33.8.0/24 256
203.12.201.0/24 256
2400:9380:a014::/48 ~1×10²⁴
203.20.137.0/24 256
202.55.6.0/24 256
45.195.7.0/24 256
203.99.11.0/24 256
203.12.200.0/24 256

Raw Whois Response

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

% Information related to 'AS23552 - AS24575'

as-block:       AS23552 - AS24575
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
remarks:        AS23889 has been transfered to AfriNIC
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2009-09-29T06:04:16Z
source:         APNIC

role:           APNIC Hostmaster
address:        PO Box 3646
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:  2026-08-26T00:40:00Z
source:         APNIC

% Information related to 'AS23701 - AS23772'

as-block:       AS23701 - AS23772
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:  2008-09-04T06:40:26Z
source:         APNIC

role:           APNIC Hostmaster
address:        PO Box 3646
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:  2026-08-26T00:40:00Z
source:         APNIC

% Information related to 'AS23764'

% Abuse contact for 'AS23764' is 'guohf@chinatelecomglobal.com'

aut-num:        AS23764
as-name:        CTGNet
descr:          CTGNet
descr:          China Telecom Global Limited
country:        HK
org:            ORG-CTGL1-AP
admin-c:        CTGL1-AP
tech-c:         CTGL1-AP
abuse-c:        AC2015-AP
notify:         noc@chinatelecomglobal.com
mnt-routes:     MAINT-CTGL-HK
mnt-by:         APNIC-HM
mnt-irt:        IRT-CTHKI-HK
last-modified:  2020-07-20T08:05:00Z
export:         to AS1299 announce AS-CTGNet
export:         to AS2914 announce AS-CTGNet
export:         to AS3491 announce AS-CTGNet
source:         APNIC

irt:            IRT-CTHKI-HK
address:        38/F., DAH SING Financial Center, 108 Gloucester Road, Wan Chai, Hong Kong
e-mail:         guohf@chinatelecomglobal.com
abuse-mailbox:  guohf@chinatelecomglobal.com
admin-c:        CTHK1-AP
tech-c:         CTHK1-AP
auth:           # Filtered
remarks:        noc@chinatelecomglobal.com
remarks:        guohf@chinatelecomglobal.com was validated on 2026-06-24
mnt-by:         MAINT-CTHKI-ADMIN
last-modified:  2026-06-24T01:13:46Z
source:         APNIC

organisation:   ORG-CTGL1-AP
org-name:       China Telecom Global Limited
org-type:       LIR
country:        HK
address:        28/F, Everbright Center
address:        108 Gloucester Road
phone:          +852-31000000
fax-no:         +852-31000000
e-mail:         noc@chinatelecomglobal.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:35Z
source:         APNIC

role:           ABUSE CTHKIHK
country:        ZZ
address:        38/F., DAH SING Financial Center, 108 Gloucester Road, Wan Chai, Hong Kong
phone:          +000000000
e-mail:         guohf@chinatelecomglobal.com
admin-c:        CTHK1-AP
tech-c:         CTHK1-AP
nic-hdl:        AC2015-AP
remarks:        Generated from irt object IRT-CTHKI-HK
remarks:        guohf@chinatelecomglobal.com was validated on 2026-06-24
abuse-mailbox:  guohf@chinatelecomglobal.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-06-27T03:17:20Z
source:         APNIC

role:           CHINA TELECOM GLOBAL LIMITED  - network administrator
address:        38/F., DAH SING Financial Center,
address:        108 Gloucester Road, Wan Chai,
country:        HK
phone:          +852 31000000
e-mail:         noc@chinatelecomglobal.com
admin-c:        CTGL1-AP
tech-c:         CTGL1-AP
nic-hdl:        CTGL1-AP
mnt-by:         MAINT-CTGL-HK
last-modified:  2012-11-23T01:36:05Z
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
AS40994 Hohl IT e.U. AT
AS58057 Securebit AG CH
AS28792 Public Internet Ltd GB
AS38880 Micron21 Datacentre Pty Ltd AU
AS9615 TOYOHASHI CABLE NETWORK INC. JP
AS134366 Cloud Computing HK Limited HK
AS60144 3W Infra B.V. NL
AS24953 NETPLANET GmbH AT
AS62597 IBM US
AS215724 Edgevana, Inc. US
AS139341 ACEVILLE PTE.LTD. SG
AS22548 Núcleo de Inf. e Coord. do Ponto BR NIC.BR BR
AS1000 LINK AMERICAN US
AS264598 DELTA TELECOM BR
AS3255 LLC EKSINTECH UA
AS206735 Novelcomm LP GR
AS268202 F R BRAGA INFORMATICA ME BR
AS13237 euNetworks GmbH DE
AS4538 Tsinghua University CN
AS55992 Beijing Qihu Technology Company Limited CN
AS150706 Zhengxing Technology HK
AS559 SWITCH CH
AS136749 KS IT SOLUTIONS SDN BHD MY
AS8758 Iway AG CH
AS263321 ILOGNET PROVEDOR BR
AS6696 VERIXI SA BE
AS262427 Invista Net Provedor de Acesso Ltda BR
AS999 CORIX NETWORKS US
AS4764 Aussie Fibre Pty Ltd AU
AS56630 Melbikomas UAB LT
AS396986 Bytedance Inc. US
AS37549 Triponza Trading 376 CC ZA
AS12741 Netia SA PL
AS63927 RISE ASIA TECHNOLOGY LIMITED PH
AS137991 Lifeway Singapore Pte. Ltd. SG
AS11432 Telium Telecomunicações Ltda BR
AS142631 Metro Lightspeed MY
AS44620 Netlen Internet Hizmetleri Ltd. Sti. TR
AS132876 Symphony Communication Public Company Limited TH
AS45796 UIH / BB Connect TH
AS200132 Peter Paul Maria Kurstjens NL
AS327935 iSPACE PTY LTD ZA
AS133210 EN Technologies Pte Ltd SG
AS151326 DCConnect Communication Pte. Ltd. SG
AS29119 AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL ES
AS9729 iAdvantage Limited HK
AS269115 TELECOM PROVEDORES E REDES DE COMUNICAÇÃO BR
AS43440 Digitale Suisse AG CH
AS10310 Yahoo Holdings Inc. US
AS135097 LUOGELANG FRANCE LIMITED HK
AS60539 Huicast Telecom Limited HK
AS270765 VIVA PIXEL AGENCIA DIGITAL BR
AS263444 Open X Tecnologia Ltda BR
AS4766 Korea Telecom KR
AS37333 Comtel Communications ZA
AS133380 Layerstack Limited HK
AS56038 RackCorp AU
AS24271 Iruma CATV co. JP
AS29208 Quantcom, a.s. CZ
AS134518 RETN Hong Kong Limited HK

Upstreams

AS Number Description Country
AS12552 GlobalConnect AB SE
AS6762 TELECOM ITALIA SPARKLE S.p.A. IT
AS39249 Netassist International EOOD BG
AS286 GTT Communications Inc. US
AS31133 PJSC MegaFon RU
AS4230 CLARO S.A. BR
AS31500 Global Network Management Inc AG
AS56655 Gigahost AS NO
AS18046 DongFong Technology Co. Ltd. TW
AS37468 Angola Cables AO
AS3303 Swisscom Schweiz AG CH
AS37497 Network Platforms PTY LTD ZA
AS50673 Serverius Holding B.V. NL
AS30990 DJIBOUTI TELECOM S.A. DJ
AS6461 Zayo Bandwidth US
AS58453 China Mobile International Limited HK
AS14840 BR.Digital Telecom BR
AS9583 Sify Limited IN
AS20766 Association Gitoyen FR
AS136897 Enjoyvc Cloud Group Limited. HK
AS8758 Iway AG CH
AS4601 Antonios A. Chariton GR
AS35625 Eurofiber France SAS FR
AS1836 green.ch AG CH
AS6696 VERIXI SA BE
AS1031 PEER 1031 LLC US
AS1299 Arelion Sweden AB SE
AS2852 CESNET z.s.p.o. CZ
AS3257 GTT Communications Inc. US
AS37282 Main one Cable Company Nigeria Limited NG
AS6453 TATA COMMUNICATIONS AMERICA INC US
AS209090 Association Stolon FR
AS39686 Eurofiber Nederland BV NL
AS8298 IPng Networks GmbH CH
AS132132 MyRepublic Ltd. SG
AS138997 Eons Data Communications Limited HK
AS48200 Opteamax GmbH DE
AS7713 Telekomunikasi Indonesia PT ID
AS205103 Telegraph42 Management GmbH DE
AS34019 Hivane Association FR
AS6777 Amsterdam Internet Exchange B.V. NL
AS4455 IX Reach Ltd GB
AS3491 PCCW Global HK Limited HK
AS15958 CETIN Ltd. Belgrade RS
AS55850 Mercury NZ Limited NZ
AS37100 SEACOM Limited MU
AS39120 Convergenze S.p.A. IT
AS262970 Tudo Internet BR
AS9002 RETN Limited GB
AS263444 Open X Tecnologia Ltda BR
AS38193 TRANS WORLD ASSOCIATES PVT LIMITED PK
AS6057 Administracion Nacional de Telecomunicaciones UY
AS7473 Singapore Telecommunications SINGTEL Internet Exchange SG
AS13030 Init7 Switzerland Ltd. CH
AS41327 Fiber Telecom S.p.A. IT
AS29691 Nine Internet Solutions AG CH
AS28352 NETSPEED LTDA BR
AS29208 Quantcom, a.s. CZ
AS35280 F5 Networks SARL FR
AS16735 ALGAR TELECOM S/A BR

Downstreams

AS Number Description Country
AS37225 Netwide Internet Services cc ZA
AS63529 BKNIX Co.,Ltd. TH
AS48314 Michael Sebastian Schinzel trading as IP Projects GmbH & Co. KG DE
AS58057 Securebit AG CH
AS13631 CITADEL ENTERPRISE AMERICAS LLC US
AS9615 TOYOHASHI CABLE NETWORK INC. JP
AS134366 Cloud Computing HK Limited HK
AS18046 DongFong Technology Co. Ltd. TW
AS59895 Binary Racks Limited GB
AS3258 xTom Japan Corporation JP

Contacts

Email Contacts

guohf@chinatelecomglobal.com noc@chinatelecomglobal.com

Abuse Contacts

guohf@chinatelecomglobal.com

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Frequently Asked Questions

ASN AS23764 is an Autonomous System Number used to identify a network for BGP internet routing.
AS23764 is listed under China Telecom Global 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.