203.19.38.0/24

AS23764  ·  CTGNet

Need more data or want to access it via API or data downloads? Sign up to get free access

Sign up for free ›

Summary

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

WHOIS Details

inetnum:        203.19.36.0 - 203.19.39.255
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 NON-PORTABLE
remarks:        service provider
notify:         noc@chinatelecom.com.hk
mnt-by:         MAINT-CHINANET
mnt-irt:        IRT-CHINANET-CN
last-modified:  2021-06-15T08:06:23Z
source:         APNIC

irt:            IRT-CHINANET-CN
address:        No.31 ,jingrong street,beijing
address:        100032
e-mail:         anti-spam@chinatelecom.cn
abuse-mailbox:  anti-spam@chinatelecom.cn
admin-c:        CH93-AP
tech-c:         CH93-AP
auth:           # Filtered
remarks:        anti-spam@chinatelecom.cn was validated on 2025-11-13
mnt-by:         MAINT-CHINANET
last-modified:  2026-03-13T07:12:20Z
source:         APNIC

role:           ABUSE CHINANETCN
country:        ZZ
address:        No.31 ,jingrong street,beijing
address:        100032
phone:          +000000000
e-mail:         anti-spam@chinatelecom.cn
admin-c:        CH93-AP
tech-c:         CH93-AP
nic-hdl:        AC1573-AP
remarks:        Generated from irt object IRT-CHINANET-CN
remarks:        anti-spam@chinatelecom.cn was validated on 2025-11-13
abuse-mailbox:  anti-spam@chinatelecom.cn
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:         fjnic@fjdcb.fz.fj.cn
remarks:        send spam reports  and abuse reports
remarks:        to abuse@fjdcb.fz.fj.cn
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:         fjnic@fjdcb.fz.fj.cn
mnt-by:         MAINT-CHINANET-FJ
last-modified:  2011-12-06T00:10:50Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 203.19.0.0/16

Range ASN Company Num of IPs
203.19.88.0/21 AS7545 Tomago Aluminium Company Pty Ltd 2,048
203.19.244.0/22 AS17766 Nexon Asia Pacific Pty Ltd 1,024
203.19.32.0/22 AS23764 Chinatelecom Next Carrying Network backbone 1,024
203.19.160.0/22 AS45434 Campbelltown City Council 1,024
203.19.226.0/23 AS2764 PCM Computers Pty Ltd 512
203.19.190.0/23 AS24446 5G NETWORK OPERATIONS PTY LTD 512
203.19.16.0/23 AS9518 JDV Limited 512
203.19.214.0/23 AS17766 Nexon Asia Pacific Pty Ltd 512
203.19.5.0/24 AS151953 Electricite Du Laos 256
203.19.243.0/24 AS153325 Next Era Pte. Ltd. 256
203.19.222.0/24 AS209242 DHA-GATEWAY 256
203.19.3.0/24 AS24222 RR Donnelley India Outsource Private Limited 256
203.19.141.0/24 AS38809 VOCUS PTY LTD 256
203.19.252.0/24 AS44744 FLINT-SI d.o.o. 256
203.19.234.0/24 AS4637 COCHLEAR LIMITED 256
203.19.70.0/24 AS4739 iiNet Limited 256
203.19.59.0/24 AS55803 Hostopia Australia Web Pty Ltd 256
203.19.128.0/24 AS55871 IRESS Market Technology Ltd 256
203.19.110.0/24 AS7575 Australian Academic and Research Network 256
203.19.12.0/24 AS7604 Zettagrid Pty Ltd 256
203.19.253.0/24 AS7703 Westway Nominees Pty Ltd t/a Bekkers 256
203.19.52.0/24 AS9266 Fiveways International Limited 256
203.19.232.0/24 AS10218 HITACHI ENERGY AUSTRALIA PTY LTD 256
203.19.157.0/24 AS9738 CNI Consulting Services 256
203.19.106.0/24 AS132029 Australian Maritime Safety Authority 256
203.19.158.0/24 AS136140 Commonwealth Bank of Australia 256
203.19.209.0/24 AS136518 Department of Commerce (WA) 256
203.19.107.0/24 AS137049 Performance Peripherals Australasia 256
203.19.2.0/24 AS137562 Sydney International Airport, Sydney, Australia 256
203.19.132.0/24 AS148968 Falcore Australia Pty Ltd t/a ChannelCo. 256
203.19.140.0/24 AS151822 Toyota Motor Corporation Australia Limited 256

Hosted domains

There are no domains currently hosted on this ASN.

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

Pingable IPs

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

IP Address ASN Details
203.19.38.158 AS23764 CTGNet 1.14ms 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
40.129.105.120 AS7029 Windstream Communications LLC 0.54ms from Ashburn, US
1.188.202.88 AS4837 CHINA UNICOM China169 Backbone 3.77ms from Harbin, CN
20.0.255.184 AS8075 Microsoft Corporation 0.23ms from London, GB
87.160.180.152 AS3320 Deutsche Telekom AG 3.84ms from Nuernberg, DE
191.36.47.200 AS263325 INSTITUTO FEDERAL DE EDUCACAO, CIENCIA E TECNOLOGI 10.27ms from Sao Paulo, BR
203.212.122.72 AS9976 Namincheon Brodcasting Co., Ltd. 1.57ms from Seoul, KR
85.54.107.88 AS12479 Orange Espagne SA 17.52ms from Sevilla, ES
116.86.104.8 AS55430 Starhub Ltd 1.19ms from Singapore, SG
120.46.75.8 AS55990 Huawei Cloud Service data center 3.42ms from Beijing, CN
20.113.194.232 AS8075 Microsoft Corporation 0.95ms from Berlin, DE
110.32.151.216 AS4804 Microplex PTY LTD 1.89ms from Brisbane, AU
52.28.76.88 AS16509 Amazon.com, Inc. 0.17ms from Frankfurt am Main, DE
116.126.98.104 AS9318 SK Broadband Co Ltd 1.78ms from Incheon, KR
20.164.224.216 AS8075 Microsoft Corporation 0.17ms from Johannesburg, ZA
217.44.196.152 AS2856 British Telecommunications PLC 2.09ms from London, GB
87.222.207.8 AS12479 Orange Espagne SA 2.45ms from Madrid, ES
143.225.204.72 AS137 Consortium GARR 4.12ms from Rome, IT
62.86.219.232 AS3269 Telecom Italia S.p.A. 6.83ms from Rome, IT
121.140.201.152 AS4766 Korea Telecom 0.96ms from Seoul, KR
112.217.157.88 AS9946 KCTV JEJU BROADCASTING 9.02ms from Seoul, KR
187.27.198.232 AS22085 Claro S/A 19.61ms from São Paulo, BR
24.159.181.40 AS20115 Charter Communications LLC 15.67ms from Atlanta, US
213.101.92.88 AS1257 Tele2 Sverige AB 1.38ms from Copenhagen, DK
14.217.146.72 AS4134 CHINANET-BACKBONE 3.89ms from Guangzhou, CN
85.33.14.152 AS3269 Telecom Italia S.p.A. 6.54ms from Milan, IT

Traceroute

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

$
traceroute -a -n -q1 -f5 203.19.38.240
traceroute to 203.19.38.240 (203.19.38.240): 64 hops max, 52 byte packets
5 [AS3491] 63.220.193.209 284.029 ms
6 *
7 *
9 [AS23764] 203.19.38.240 290.031 ms
Measurement taken from IPinfo ProbeNet in Accra, GH
On

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.

An API built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

IPinfo for all your IP geolocation needs

Our IP tools

Explore all tools
What is my IP

What is my IP

Test our data accuracy by viewing insights from your IP address.

See your IP address
Map IPs

Map IPs

Paste up to 500,000 IPs to see where they're located on a map.

Try Map IPs
Summarize IPs

Summarize IPs

Use our data visualization tool to create a visual overview of multiple IPs.

Try Summarize IPs