183.91.48.0/21

AS4809 · China Telecom Next Generation Carrier Network

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Summary

Country	Hong Kong
Domain	chinatelecom.com.hk
ASN	AS4809
Registry	APNIC
ID	CTHKI-HK

WHOIS Details

inetnum:        183.91.48.0 - 183.91.51.255
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
mnt-by:         MAINT-CTHKI-HK
mnt-lower:      MAINT-CTHKI-HK
mnt-routes:     MAINT-CTHKI-HK
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:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        CTHK1-AP
tech-c:         CTHK1-AP
auth:           # Filtered
remarks:        [email protected]
remarks:        [email protected] was validated on 2025-12-18
mnt-by:         MAINT-CTHKI-ADMIN
last-modified:  2025-12-18T01:53:34Z
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:         [email protected]
admin-c:        CTHK1-AP
tech-c:         CTHK1-AP
nic-hdl:        AC2015-AP
remarks:        Generated from irt object IRT-CTHKI-HK
remarks:        [email protected] was validated on 2025-12-18
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2025-12-18T01:53:55Z
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:         [email protected]
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:          183.91.48.0/21
origin:         AS23764
descr:          China Telecom Global Limited 28/F, Everbright Center 108 Gloucester Road
mnt-by:         MAINT-CTGL-HK
last-modified:  2021-06-17T08:24:35Z
source:         APNIC

route:          183.91.48.0/21
descr:          Chinatelecom Next Carrying Network Backbone
descr:          HK
origin:         AS4809
country:        HK
notify:         [email protected]
mnt-routes:     MAINT-CTGL-HK
mnt-by:         MAINT-CTGL-HK
last-modified:  2014-07-14T10:08:14Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 183.91.0.0/16

Range	ASN	Company	Num of IPs
183.91.192.0/18	AS9976	Namincheon Brodcasting Co., Ltd.	16,384
183.91.96.0/19	AS18278	Cable TV Corporation	8,192
183.91.144.0/20	AS10212	China Enterprise ICT Solutions Limited	4,096
183.91.40.0/21	AS4134	CHINANET HongKong region network	2,048
183.91.132.0/22	AS45170	GPO BOX 13655	1,024
183.91.90.0/24	AS4800	APLIKANUSA LINTASARTA	256
183.91.91.0/24	AS4800	APLIKANUSA LINTASARTA	256
183.91.92.0/24	AS4800	APLIKANUSA LINTASARTA	256
183.91.93.0/24	AS4800	APLIKANUSA LINTASARTA	256
183.91.94.0/24	AS4800	APLIKANUSA LINTASARTA	256
183.91.95.0/24	AS4800	APLIKANUSA LINTASARTA'	256
183.91.89.0/24	AS4800	APLIKANUSA LINTASARTA	256

Hosted domains

There are 12 domain names hosted across 7 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
183.91.52.195	tz-echo.com	5
183.91.49.229	ifoxes.cn	2
183.91.52.245	zensl.com	1
183.91.52.222	ynwb.com	1
183.91.52.156	gabions.org.cn	1
183.91.52.180	lio.cn	1
183.91.52.160	fenghua001.cn	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

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

IP Address	ASN	Details
183.91.51.1	AS23764 CTGNet	`1.15ms` from Hong Kong, HK
183.91.49.49	AS4809 China Telecom Next Generation Carrier Network	`1.59ms` from Hong Kong, HK
183.91.50.241	AS4809 China Telecom Next Generation Carrier Network	`1.92ms` from Hong Kong, HK
183.91.48.101	AS4809 China Telecom Next Generation Carrier Network	`1.42ms` 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
196.201.193.133	AS30990 DJIBOUTI TELECOM S.A.	`11.37ms` from Addis Ababa, ET
81.205.67.85	AS1136 KPN B.V.	`2.49ms` from Amsterdam, NL
20.4.234.245	AS8075 Microsoft Corporation	`0.23ms` from Amsterdam, NL
54.191.154.149	AS16509 Amazon.com, Inc.	`0.20ms` from Boardman, US
72.231.227.133	AS11351 Charter Communications Inc	`17.63ms` from Chicago, US
181.78.112.37	AS52468 UFINET PANAMA S.A.	`0.85ms` from Curridabat, CR
213.130.116.229	AS8781 Ooredoo Q.S.C.	`0.47ms` from Doha, QA
37.197.35.69	AS1257 Tele2 Sverige AB	`4.01ms` from Falkenberg, SE
114.9.55.85	AS4761 INDOSAT Internet Network Provider	`1.04ms` from Jakarta, ID
216.67.222.213	AS5650 Frontier Communications of America, Inc.	`8.08ms` from Los Angeles, US
20.211.250.197	AS8075 Microsoft Corporation	`0.56ms` from Melbourne, AU
151.9.106.37	AS1267 WIND TRE S.P.A.	`6.60ms` from Milan, IT
212.92.146.133	AS8371 PJSC "Vimpelcom"	`7.39ms` from Moscow, RU
103.138.232.5	AS149258 Speedobits Internet Private Limited	`12.12ms` from Mumbai, IN
75.124.74.5	AS19812 BT Americas, Inc	`1.09ms` from New York City, US
54.156.169.69	AS14618 Amazon.com, Inc.	`0.23ms` from Reston, US
24.11.9.229	AS7922 Comcast Cable Communications, LLC	`5.13ms` from Salt Lake City, US
122.219.93.69	AS17506 ARTERIA Networks Corporation	`6.31ms` from Tokyo, JP
60.79.219.245	AS17676 SoftBank Corp.	`2.73ms` from Tokyo, JP
98.143.69.133	AS7057 Managed Network Systems Inc.	`5.63ms` from Toronto, CA
52.37.220.229	AS16509 Amazon.com, Inc.	`0.18ms` from Boardman, US
75.192.205.21	AS6167 Verizon Business	`16.06ms` from Boston, US
106.211.248.133	AS45609 Bharti Airtel Ltd. AS for GPRS Service	`0.62ms` from Chennai, IN
113.206.198.101	AS4837 CHINA UNICOM China169 Backbone	`2.62ms` from Chongqing, CN
217.232.181.53	AS3320 Deutsche Telekom AG	`8.40ms` from Frankfurt am Main, DE

Traceroute

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

traceroute -a -n -q1 183.91.49.49

traceroute to 183.91.49.49 (183.91.49.49): 64 hops max, 52 byte packets

1 [AS202422] 92.223.90.1 0.117 ms

2 *

3 *

4 *

5 [AS3491] 63.220.193.204 1.26 ms

6 [AS3491] 63.223.17.162 1.972 ms

7 [AS3491] 63.223.17.162 1.83 ms

8 [AS3491] 63.216.143.46 2.118 ms

9 [AS4809] 183.91.49.49 1.755 ms

Measurement taken from

IPinfo ProbeNet in Hong Kong, HK

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.

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