202.55.16.0/24

AS23764 · CTGNet

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Summary

Country	Hong Kong
Domain	chinatelecom.com.hk
ASN	AS23764
Parent Range	202.55.0.0/19
Registry	APNIC
ID	CTHKI-HK

WHOIS Details

inetnum:        202.55.16.0 - 202.55.29.255
netname:        CTHKI-HK
descr:          Chinatelecom Next Carrying HongKong region network
country:        HK
admin-c:        CTHK1-AP
tech-c:         CTHK1-AP
abuse-c:        AC2015-AP
status:         ALLOCATED NON-PORTABLE
remarks:        Used for IPv4
notify:         noc@chinatelecom.com.hk
mnt-by:         MAINT-CTHKI-ADMIN
mnt-lower:      MAINT-CTHKI-ADMIN
mnt-routes:     MAINT-CTHKI-ADMIN
mnt-irt:        IRT-CTHKI-HK
last-modified:  2021-01-26T21:27:41Z
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 2025-06-11
mnt-by:         MAINT-CTHKI-ADMIN
last-modified:  2025-11-18T00:26:50Z
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 2025-06-11
abuse-mailbox:  guohf@chinatelecomglobal.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-06-11T03:05:40Z
source:         APNIC

role:           CHINA TELECOM HONG KONGINTERNATIONAL LTD  - netw
address:        38/F., DAH SING Financial Center, 108 Gloucester Road, Wan Chai, Hong Kong
country:        HK
phone:          +852 31000000
e-mail:         noc@chinatelecom.com.hk
admin-c:        CTHK1-AP
tech-c:         CTHK1-AP
nic-hdl:        CTHK1-AP
mnt-by:         MAINT-CTHKI-HK
last-modified:  2009-11-24T04:46:50Z
source:         APNIC

route:          202.55.0.0/19
origin:         AS23764
descr:          China Telecom Global Limited 28/F, Everbright Center 108 Gloucester Road
mnt-by:         MAINT-CTGL-HK
last-modified:  2021-06-17T08:25:00Z
source:         APNIC

route:          202.55.0.0/19
descr:          Chinatelecom Next Carrying Network Backbone
descr:          HK
origin:         AS4809
country:        HK
notify:         noc@chinatelecomglobal.com
mnt-lower:      MAINT-CTGL-HK
mnt-routes:     MAINT-CTGL-HK
mnt-by:         MAINT-CTGL-HK
last-modified:  2014-07-14T10:06:40Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 202.55.16.0/24

Range	ASN	Company	Num of IPs
202.55.0.0/19	AS4809	China Telecom Global Limited	8,192

Nearby Ranges

BGP prefixes that overlap with 202.55.0.0/16

Range	ASN	Company	Num of IPs
202.55.32.0/19	AS9304	Internet Service Provider	8,192
202.55.64.0/19	AS18106	Viewqwest Pte Ltd, Internet Service Provider, Singapore	8,192
202.55.0.0/19	AS4809	China Telecom Global Limited	8,192
202.55.112.0/20	AS7676	TAM Co.,LTD	4,096
202.55.128.0/22	AS135523	Net Access Communication Systems (Private) Limited	1,024
202.55.132.0/22	AS63737	VietServer Services technology company limited	1,024
202.55.136.0/22	AS38643	UNIADEX, LTD.	1,024
202.55.140.0/22	AS38886	The Government Lottery Officer, Thailand	1,024
202.55.3.0/24	AS23764	Chinatelecomglobal Singapore office blocks	256
202.55.153.0/24	AS45447	Yless4u Internet	256
202.55.253.0/24	AS63199	Chief Telecom Inc.	256
202.55.82.0/24	AS63199	Viewqwest Pte Ltd	256

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
202.55.16.36	hn235.com	1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

10 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
202.55.16.150	AS23764 CTGNet	`1.08ms` from Hong Kong, HK

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
44.231.194.248	AS16509 Amazon.com, Inc.	`0.19ms` from Boardman, US
93.208.170.136	AS3320 Deutsche Telekom AG	`3.10ms` from Duesseldorf, DE
217.81.46.168	AS3320 Deutsche Telekom AG	`4.05ms` from Frankfurt am Main, DE
115.236.77.184	AS58461 CT-HangZhou-IDC	`6.20ms` from Hangzhou, CN
147.81.66.168	AS36149 Hawaiian Telcom Services Company, Inc.	`1.38ms` from Honolulu, US
80.42.142.88	AS13285 TalkTalk Communications Limited	`3.90ms` from London, GB
211.124.106.56	AS9617 JCOM Co., Ltd.	`10.51ms` from Osaka, JP
187.182.153.120	AS28573 Claro NXT Telecomunicacoes Ltda	`5.39ms` from Osasco, BR
49.31.121.56	AS4766 Korea Telecom	`7.50ms` from Seoul, KR
47.84.242.104	AS45102 Alibaba (US) Technology Co., Ltd.	`1.25ms` from Singapore, SG
194.132.217.24	AS197623 Kopings Kabel-TV AB	`2.33ms` from Stockholm, SE
178.22.234.88	AS50901 WireITup	`0.31ms` from Amsterdam, NL
128.148.247.24	AS11078 Brown University	`2.83ms` from Boston, US
18.117.189.248	AS16509 Amazon.com, Inc.	`0.14ms` from Columbus, US
23.114.113.232	AS7018 AT&T Enterprises, LLC	`8.82ms` from Houston, US
82.52.143.40	AS3269 Telecom Italia S.p.A.	`2.63ms` from Milan, IT
58.183.213.88	AS18144 Enecom,Inc.	`7.63ms` from Osaka, JP
198.12.238.104	AS26496 GoDaddy.com, LLC	`1.31ms` from Phoenix, US
80.145.102.120	AS3320 Deutsche Telekom AG	`2.38ms` from Hamburg, DE
182.177.50.248	AS17557 Pakistan Telecommunication Company Limited	`1.62ms` from Islamabad, PK
72.111.47.152	AS6167 Verizon Business	`17.35ms` from Los Angeles, US
133.155.150.24	AS7524 ITEC HANKYU HANSHIN CO.,LTD.	`1.36ms` from Osaka, JP
67.252.30.8	AS11351 Charter Communications Inc	`14.09ms` from Piscataway, US
45.84.142.136	AS21056 Vianova S.p.A	`10.67ms` from Rome, IT
189.94.242.72	AS22085 Claro S/A	`14.56ms` from Sao Paulo, BR

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -f4 202.55.16.77

traceroute to 202.55.16.77 (202.55.16.77): 64 hops max, 52 byte packets

4 [] 36.255.56.131 0.615 ms

5 *

6 [AS23764] 202.55.16.77 1.278 ms

Measurement taken from

IPinfo ProbeNet in Hong Kong, HK

On December 14th 2025

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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