203.81.0.0/24

AS23764 · CTGNet

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Summary

Country	United Arab Emirates
Domain	chinatelecom.cn
ASN	AS23764
Registry	APNIC
ID	CTHKI-HK

WHOIS Details

inetnum:        203.81.0.0 - 203.81.0.255
netname:        CTHKI-HK
descr:          Chinatelecom Next Carrying Network backbone
country:        AE
admin-c:        CA67-AP
tech-c:         CA67-AP
abuse-c:        AC1573-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-CHINANET-CN
mnt-irt:        IRT-CHINANET-CN
last-modified:  2022-09-15T07:13:21Z
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 203.81.0.0/16

Range	ASN	Company	Num of IPs
203.81.128.0/19	AS17608	ABN	8,192
203.81.64.0/19	AS9988	Myanma Post and Telecommunication	8,192
203.81.112.0/20	AS24289	Kagawa Broad Network corp.	4,096
203.81.208.0/20	AS206805	LLC T1Cloud	4,096
203.81.192.0/20	AS22773		4,096
203.81.12.0/22	AS23616	Hitachi Systems, Ltd.	1,024
203.81.240.0/22	AS17747	Siti Networks Ltd	1,024
203.81.252.0/22	AS4656	Tiglion Consultancy Company Limited	1,024
203.81.162.0/24	AS18399	Yatanarpon Teleport, Colocation	256
203.81.163.0/24	AS18399	Yatanarpon Teleport, ISP Service	256
203.81.164.0/24	AS18399	Yatanarpon Teleport, Public Subnets	256
203.81.165.0/24	AS18399	Yatanarpon Teleport	256
203.81.168.0/24	AS18399	Yatanarpon Teleport, Colocation	256
203.81.167.0/24	AS131322	Yatanarpon Teleport, Internet Service Provider	256
203.81.3.0/24	AS23764	Chinatelecom Global network	256
203.81.4.0/24	AS23764	Chinatelecom Next Carrying Network backbone	256
203.81.6.0/24	AS23764	Chinatelecom Next Carrying Network backbone	256
203.81.34.0/24	AS4628	Pacific Internet Pte Ltd	256
203.81.36.0/24	AS4628	Pacific Internet Pte Ltd	256
203.81.37.0/24	AS4637	Telstra Global Internet Services Network Blocks	256
203.81.102.0/24	AS9329	Sri Lanka Telecom Ltd	256
203.81.99.0/24	AS9329	Sri Lanka Telecom Ltd	256
203.81.169.0/24	AS18399	Yatanarpon Teleport	256
203.81.170.0/24	AS131322	Yatanarpon Teleport, Infrastructure	256
203.81.240.0/24	AS17747	SITI NETWORKS LIMITED	256
203.81.241.0/24	AS17747	SITI NETWORKS LIMITED	256
203.81.242.0/24	AS17747	SITI NETWORKS LIMITED	256
203.81.243.0/24	AS17747	SITI NETWORKS LIMITED	256
203.81.160.0/24	AS18399	Yatanarpon Teleport, ISP Service	256
203.81.161.0/24	AS18399	Yatanarpon Teleport, Infrastructure	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
203.81.0.1	itlphk.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

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Pingable IPs

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

IP Address	ASN	Details
203.81.0.1	AS23764 CTGNet	`0.29ms` from Dubai, AE

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
73.135.152.248	AS7922 Comcast Cable Communications, LLC	`6.48ms` from Ashburn, US
152.136.52.248	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.94ms` from Beijing, CN
16.144.2.136	AS16509 Amazon.com, Inc.	`0.14ms` from Boardman, US
18.216.107.232	AS16509 Amazon.com, Inc.	`0.19ms` from Columbus, US
3.23.94.248	AS16509 Amazon.com, Inc.	`0.67ms` from Columbus, US
34.132.145.72	AS396982 Google LLC	`0.10ms` from Council Bluffs, US
122.171.180.200	AS24560 Bharti Airtel Ltd., Telemedia Services	`10.70ms` from Delhi, IN
51.94.136.72	AS16509 Amazon.com, Inc.	`5.86ms` from Madrid, ES
34.26.171.232	AS396982 Google LLC	`0.14ms` from Moncks Corner, US
79.243.109.72	AS3320 Deutsche Telekom AG	`6.85ms` from Nuernberg, DE
83.193.101.56	AS3215 Orange S.A.	`15.30ms` from Paris, FR
90.46.114.8	AS3215 Orange S.A.	`1.90ms` from Paris, FR
119.191.106.72	AS4837 CHINA UNICOM China169 Backbone	`6.80ms` from Qingdao, CN
54.89.159.216	AS14618 Amazon.com, Inc.	`0.21ms` from Reston, US
67.169.172.200	AS7922 Comcast Cable Communications, LLC	`4.38ms` from San Jose, US
114.41.14.104	AS3462 Data Communication Business Group	`2.40ms` from Taichung, TW
46.159.160.168	AS12389 PJSC Rostelecom	`14.21ms` from Tbilisi, GE
175.151.95.232	AS4837 CHINA UNICOM China169 Backbone	`0.99ms` from Tieling, CN
34.11.66.152	AS396982 Google LLC	`0.14ms` from Ashburn, US
131.122.10.40	AS668 United States Department of Defense (DoD)	`2.69ms` from Ashburn, US
187.247.181.168	AS13999 Mega Cable, S.A. de C.V.	`1.29ms` from Guadalajara, MX
211.49.154.24	AS9318 SK Broadband Co Ltd	`7.59ms` from Incheon, KR
211.176.63.248	AS9318 SK Broadband Co Ltd	`0.97ms` from Incheon, KR
79.72.57.40	AS31898 Oracle Corporation	`0.12ms` from Madrid, ES
90.116.45.152	AS3215 Orange S.A.	`4.99ms` from Marseille, FR

Traceroute

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

traceroute -a -n -q1 -f3 203.81.0.254

traceroute to 203.81.0.254 (203.81.0.254): 64 hops max, 52 byte packets

3 [] 185.1.8.125 1.046 ms

4 [] 154.85.15.2 4.798 ms

5 *

6 [AS23764] 203.81.0.254 6.697 ms

Measurement taken from

IPinfo ProbeNet in Dubai, AE

On January 30th 2026

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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