202.55.17.0/24

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:  2025-06-11T03:05:20Z
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 202.55.17.0/24

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
202.55.0.0/19	AS4809	China Telecom Global Limited	8,192
202.55.192.0/19	AS23635	CRCCMedia Co.,ltd	8,192
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
202.55.112.0/20	AS7676	TAM Co.,LTD	4,096
202.55.144.0/21	AS7718	iiNet Limited	2,048
202.55.8.0/21	AS4809	Chinatelecom Next Carrying HongKong region network	2,048
202.55.224.0/21	AS17408	Network topology of Unigate Telecom Inc.	2,048
202.55.232.0/22	AS17408	Mountain Top Ventures Ltd	1,024
202.55.132.0/22	AS63737	VietServer Services technology company limited	1,024
202.55.40.0/22	AS9304	Internet Service Provider	1,024
202.55.152.0/22	AS7718	Goldweb Internet	1,024
202.55.244.0/22	AS17408	Network topology of Unigate Telecom Inc.	1,024
202.55.136.0/22	AS38643	UNIADEX, LTD.	1,024
202.55.156.0/22	AS7718	iiNet Limited	1,024
202.55.140.0/22	AS38886	The Government Lottery Officer, Thailand	1,024
202.55.248.0/22	AS17408	Diamond Flower Electric Instru	1,024
202.55.128.0/22	AS135523	Net Access Communication Systems (Private) Limited	1,024
202.55.236.0/23	AS17408	Wenking Co., Ltd.	512
202.55.240.0/23	AS17408	Network topology of Unigate Telecom Inc.	512
202.55.242.0/23	AS17408	Chief Telecom Inc.	512
202.55.238.0/23	AS17408	Network topology of Unigate Telecom Inc.	512
202.55.254.0/23	AS17408	Network topology of Unigate Telecom Inc.	512
202.55.248.0/23	AS17408	Diamond Flower Electric Instru	512
202.55.184.0/24	AS10219	Skymedia Corporation	256
202.55.230.0/24	AS17408	Network topology of Unigate Telecom Inc.	256
202.55.99.0/24	AS18353	Revera Limited	256
202.55.234.0/24	AS63199	Network topology of Unigate Telecom Inc.	256
202.55.101.0/24	AS18353	Revera Limited	256
202.55.191.0/24	AS10219	Skymedia Corporation	256
202.55.109.0/24	AS18353	Revera Limited	256
202.55.252.0/24	AS17408	No.36-1, Ln. 154, Yanshou St., Taoyuan Dist.,	256
202.55.104.0/24	AS18353	Revera Limited	256
202.55.96.0/24	AS18353	Revera Limited	256
202.55.97.0/24	AS18353	Revera Limited	256
202.55.24.0/24	AS4809	Chinatelecom Next Carrying HongKong region network	256
202.55.143.0/24	AS38886	The Government Lottery Officer, Thailand	256
202.55.183.0/24	AS10219	Skymedia Corporation	256
202.55.27.0/24	AS4809	Chinatelecom Next Carrying HongKong region network	256
202.55.180.0/24	AS10219	Skymedia Corporation	256
202.55.103.0/24	AS18353	Revera Limited	256
202.55.169.0/24	AS17769	PT Indo Pratama Teleglobal	256
202.55.178.0/24	AS10219	Skymedia Corporation	256
202.55.182.0/24	AS10219	Skymedia Corporation	256
202.55.142.0/24	AS38886	The Government Lottery Officer, Thailand	256
202.55.189.0/24	AS10219	Skymedia Corporation	256
202.55.141.0/24	AS38886	The Government Lottery Officer, Thailand	256
202.55.153.0/24	AS45447	Yless4u Internet	256
202.55.188.0/24	AS10219	Skymedia Corporation	256

Hosted domains

There are 7 domain names hosted across 5 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
202.55.17.5	guodu.com.hk	3
202.55.17.13	eztrack.org	1
202.55.17.19	consumerconnect.hk	1
202.55.17.9	barcodeplus.com.hk	1
202.55.17.53	piave.net	1

Hosted domains API

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Pingable IPs

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

IP Address	ASN	Details
202.55.17.14	AS23764 CTGNet	1.21ms 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
93.227.190.88	AS3320 Deutsche Telekom AG	2.15ms from Berlin, DE
194.176.165.8	AS12675 Alexandru Ioan Cuza University	5.53ms from Bucharest, RO
37.36.196.24	AS42961 Mobile Telecommunications Company	6.91ms from Kuwait City, KW
82.36.60.120	AS5089 Virgin Media Limited	11.66ms from London, GB
108.200.234.56	AS7018 AT&T Enterprises, LLC	2.39ms from Miami, US
95.253.1.104	AS3269 Telecom Italia S.p.A.	4.92ms from Milan, IT
78.199.46.200	AS12322 Free SAS	1.36ms from Paris, FR
97.210.171.200	AS6167 Verizon Business	12.07ms from Portland, US
54.165.13.56	AS14618 Amazon.com, Inc.	0.23ms from Reston, US
3.171.110.24	AS16509 Amazon.com, Inc.	0.29ms from Ashburn, US
24.135.218.136	AS31042 Serbia BroadBand-Srpske Kablovske mreze d.o.o.	3.78ms from Belgrade, RS
188.102.215.168	AS3209 Vodafone GmbH	7.87ms from Berlin, DE
89.132.130.232	AS21334 One Hungary Ltd.	11.98ms from Budapest, HU
85.27.209.152	AS34705 Norlys Digital A/S	4.94ms from Copenhagen, DK
104.231.106.72	AS10796 Charter Communications Inc	9.64ms from Flint, US
123.27.115.8	AS45899 VNPT Corp	3.25ms from Hanoi, VN
69.115.85.184	AS6128 Cablevision Systems Corp.	9.57ms from New York City, US
107.12.148.56	AS11426 Charter Communications Inc	17.82ms from Reston, US
189.240.54.200	AS8151 UNINET	3.95ms from Santiago de Queretaro, MX
210.206.198.24	AS3786 LG DACOM Corporation	8.06ms from Seoul, KR
106.11.237.24	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	5.45ms from Shanghai, CN
63.135.17.168	AS11260 EastLink	14.98ms from Toronto, CA
99.254.218.152	AS812 Rogers Communications Canada Inc.	8.22ms from Toronto, CA
185.155.208.200	AS205607 Zagrebacka banka d.d.	7.25ms from Zagreb, HR
35.160.188.40	AS16509 Amazon.com, Inc.	0.17ms from Boardman, US

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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