203.12.200.0/24

AS23764 · CTGNet

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Summary

Country	Hong Kong
Domain	chinatelecom.com.hk
ASN	AS23764
Registry	APNIC
ID	CTHKI-HK

WHOIS Details

inetnum:        203.12.200.0 - 203.12.207.255
netname:        CTHKI-HK
descr:          Chinatelecom Next Carrying Network backbone
descr:          38/F., DAH SING Financial Center, 108 Gloucester Road, Wan Chai, Hong Kong
country:        HK
admin-c:        CA67-AP
tech-c:         CA67-AP
abuse-c:        AC1573-AP
status:         ALLOCATED PORTABLE
remarks:        service provider
notify:         [email protected]
notify:         [email protected]
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CHINANET-FJ
mnt-irt:        IRT-CHINANET-CN
last-modified:  2021-06-15T08:05:40Z
source:         APNIC

irt:            IRT-CHINANET-CN
address:        No.31 ,jingrong street,beijing
address:        100032
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        CH93-AP
tech-c:         CH93-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2025-11-13
mnt-by:         MAINT-CHINANET
last-modified:  2025-11-18T00:26:23Z
source:         APNIC

role:           ABUSE CHINANETCN
country:        ZZ
address:        No.31 ,jingrong street,beijing
address:        100032
phone:          +000000000
e-mail:         [email protected]
admin-c:        CH93-AP
tech-c:         CH93-AP
nic-hdl:        AC1573-AP
remarks:        Generated from irt object IRT-CHINANET-CN
remarks:        [email protected] was validated on 2025-11-13
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-13T14:15:15Z
source:         APNIC

role:           CHINANETFJ IP ADMIN
address:        7,East Street,Fuzhou,Fujian,PRC
country:        CN
phone:          +86-591-83309761
fax-no:         +86-591-83371954
e-mail:         [email protected]
remarks:        send spam reports  and abuse reports
remarks:        to [email protected]
remarks:        Please include detailed information and
remarks:        times in UTC
admin-c:        FH71-AP
tech-c:         FH71-AP
nic-hdl:        CA67-AP
remarks:        www.fjtelecom.com
notify:         [email protected]
mnt-by:         MAINT-CHINANET-FJ
last-modified:  2011-12-06T00:10:50Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 203.12.0.0/16

Range	ASN	Company	Num of IPs
203.12.176.0/20	AS703	Verizon Australia Pty Limited	4,096
203.12.104.0/21	AS58713	Melbourne PC User Group Inc	2,048
203.12.144.0/21	AS1221	Telstra Limited	2,048
203.12.152.0/21	AS58713	Melbourne PC User Group Inc	2,048
203.12.160.0/21	AS7545	TPG Internet Pty Ltd.	2,048
203.12.236.0/22	AS151499	Australian Public Access Network Association	1,024
203.12.80.0/23	AS133612	VODAFONE AUSTRALIA PTY LIMITED	512
203.12.252.0/23	AS154106	VNG ONLINE COMPANY LIMITED	512
203.12.52.0/23	AS4739	iiNet Limited	512
203.12.40.0/23	AS6262	CSIRO Division of Mathematics and Statistics	512
203.12.254.0/23	AS154107	DigitalLink Global Network Limited	512
203.12.15.0/24	AS134697	Launtel	256
203.12.2.0/24	AS134697	Launtel	256
203.12.3.0/24	AS134697	Launtel	256
203.12.4.0/24	AS134697	Launtel	256
203.12.5.0/24	AS134697	Launtel	256
203.12.6.0/24	AS134697	Launtel	256
203.12.7.0/24	AS134697	Launtel	256
203.12.8.0/24	AS134697	Launtel	256
203.12.9.0/24	AS134697	Launtel	256
203.12.86.0/24	AS136408	LORETO MANDEVILLE HALL TOORAK LIMITED	256
203.12.229.0/24	AS137442	Cairns Airport Pty Ltd	256
203.12.230.0/24	AS137442	Cairns Airport Pty Ltd	256
203.12.18.0/24	AS138185	LUKBAN TELEPHONE SYSTEM, INC.	256
203.12.29.0/24	AS148968	Falcore Investments Pty Ltd	256
203.12.249.0/24	AS153035	CiFi Pty Ltd	256
203.12.218.0/24	AS16509	Intruder Systems Ltd	256
203.12.248.0/24	AS17463	EtherTech Pty Ltd	256
203.12.28.0/24	AS17763	Terrinell Pty. Ltd.	256
203.12.234.0/24	AS17766	Nexon Asia Pacific Pty Ltd	256
203.12.131.0/24	AS19625	Andrew John Howard	256
203.12.31.0/24	AS210083	Oma Gosh AB	256
203.12.115.0/24	AS2764	Whitehorse Manningham Regional Library Corporation	256
203.12.36.0/24	AS2764	St. Kevin's College Ltd	256
203.12.220.0/24	AS38044	GITN-NETWORK	256
203.12.235.0/24	AS38830	Levart Distribution Systems Pty Ltd	256
203.12.45.0/24	AS45657	NSW Rural Fire Service	256
203.12.221.0/24	AS45912	Indue	256
203.12.172.0/24	AS4768	Canon Australia Pty. Ltd.	256
203.12.173.0/24	AS4768	Canon Australia Pty. Ltd.	256
203.12.91.0/24	AS4809	CTHKI-CN-FuJian network	256
203.12.251.0/24	AS4826	VOCUS PTY LTD	256
203.12.97.0/24	AS4826	Telstra Limited	256
203.12.174.0/24	AS55914	Canon Australia Pty. Ltd.	256
203.12.175.0/24	AS55914	Canon Australia Pty. Ltd.	256
203.12.88.0/24	AS63527	Chinatelecom Global Network	256
203.12.89.0/24	AS63527	Chinatelecom Global Network	256
203.12.129.0/24	AS63956	5G NETWORK OPERATIONS PTY LTD	256
203.12.228.0/24	AS7545	Far North Queensland Ports Corporation Limited	256
203.12.170.0/24	AS7575	John Paul College	256

Hosted domains

There are 38,046 domain names hosted across 40 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
203.12.200.78	bangpateng.com	37530
203.12.200.88	hkmxy.com	191
203.12.200.145	jiageman.com	141
203.12.200.229	pcb-union.com	22
203.12.200.112	effisin.com	21
203.12.200.119	maxsweet.com	19
203.12.200.56	wanhechemical.com	16
203.12.200.144	5000qy.com	14
203.12.200.147	18cqa.com	13
203.12.200.121	3f-fa.com	13
203.12.200.143	xxliangtu.com	9
203.12.200.34	qmy.info	8
203.12.200.86	iixz.com	5
203.12.200.124	zruot.top	4
203.12.200.55	0514yc.com	4
203.12.200.8	cyg.com	3
203.12.200.116	tonycheng.com.cn	2
203.12.200.91	520360.cn	2
203.12.200.189	neorise.net	2
203.12.200.246	ud9w.com	2

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

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Pingable IPs

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

IP Address	ASN	Details
203.12.200.145	AS23764 CTGNet	`1.71ms` 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
1.2.211.200	AS23969 TOT Public Company Limited	`1.36ms` from Bangkok, TH
118.173.208.40	AS23969 TOT Public Company Limited	`8.48ms` from Bangkok, TH
79.215.242.248	AS3320 Deutsche Telekom AG	`2.16ms` from Berlin, DE
20.252.207.120	AS8075 Microsoft Corporation	`0.21ms` from Boydton, US
156.196.163.24	AS8452 TE-AS	`4.59ms` from Cairo, EG
75.213.242.184	AS6167 Verizon Business	`19.63ms` from Chicago, US
80.132.95.152	AS3320 Deutsche Telekom AG	`3.85ms` from Duesseldorf, DE
120.81.188.40	AS17816 China Unicom IP network China169 Guangdong province	`8.47ms` from Guangzhou, CN
132.249.123.40	AS195 San Diego Supercomputer Center	`2.68ms` from Los Angeles, US
88.2.25.24	AS3352 TELEFONICA DE ESPANA S.A.U.	`9.67ms` from Madrid, ES
73.1.235.40	AS7922 Comcast Cable Communications, LLC	`7.81ms` from Miami, US
46.180.133.40	AS39927 E-Light-Telecom Ltd.	`5.96ms` from Novosibirsk, RU
51.44.42.152	AS16509 Amazon.com, Inc.	`0.53ms` from Paris, FR
75.198.176.120	AS6167 Verizon Business	`14.78ms` from San Jose, US
110.68.8.248	AS4766 Korea Telecom	`5.17ms` from Seoul, KR
43.217.81.168	AS16509 Amazon.com, Inc.	`0.48ms` from Sepang, MY
59.127.209.184	AS3462 Data Communication Business Group	`4.33ms` from Taichung, TW
119.150.91.104	AS4685 Asahi Net	`2.87ms` from Tokyo, JP
150.60.31.8	AS9597 KDDI Web Communications Inc.	`0.68ms` from Tokyo, JP
31.8.17.168	AS28812 PJSC "Bashinformsvyaz"	`9.35ms` from Yekaterinburg, RU
34.65.223.232	AS396982 Google LLC	`0.10ms` from Zuerich, CH
223.86.28.72	AS9808 China Mobile Communications Group Co., Ltd.	`3.47ms` from Chengdu, CN
189.90.40.200	AS28191 Jupiter Telecomunicacoes e Informatica Ltda	`13.26ms` from Fortaleza, BR
99.186.71.248	AS7018 AT&T Enterprises, LLC	`1.54ms` from Houston, US
73.155.29.232	AS7922 Comcast Cable Communications, LLC	`10.68ms` from Houston, US

Traceroute

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

traceroute -a -n -q1 -f4 203.12.200.98

traceroute to 203.12.200.98 (203.12.200.98): 64 hops max, 52 byte packets

4 [] 36.255.56.131 0.652 ms

5 *

6 [] 203.22.177.246 1.338 ms

7 [AS23764] 203.196.9.250 2.548 ms

8 [AS23764] 203.196.9.218 3.067 ms

9 *

10 *

11 [AS23764] 203.12.200.98 2.362 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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