121.91.95.0/24

AS10099 · China Unicom Global

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Summary

Country	Hong Kong
Domain	chinaunicom.cn
ASN	AS10099
Registry	APNIC
ID	UNICOM-HK

WHOIS Details

inetnum:        121.91.88.0 - 121.91.95.255
netname:        UNICOM-HK
descr:          China Unicom (Hong Kong) Operations Limited
country:        HK
org:            ORG-CUKO1-AP
admin-c:        NW165-AP
tech-c:         NW165-AP
status:         ALLOCATED PORTABLE
abuse-c:        AU99-AP
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-HK-UNICOM
mnt-routes:     MAINT-HK-UNICOM
mnt-irt:        IRT-UNICOM-HK
last-modified:  2023-05-02T05:49:23Z
source:         APNIC

irt:            IRT-UNICOM-HK
address:        28/F, Tower 1, The gateway, 25 Canton road, TST, Hong Kong
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        NW165-AP
tech-c:         NW165-AP
auth:           # Filtered
remarks:        [email protected]
remarks:        [email protected] was validated on 2025-07-17
remarks:        [email protected] was validated on 2025-09-04
mnt-by:         MAINT-HK-UNICOM
last-modified:  2025-11-18T00:26:53Z
source:         APNIC

organisation:   ORG-CUKO1-AP
org-name:       China Unicom (Hong Kong) Operations Limited
org-type:       LIR
country:        HK
address:        28F, Tower 1, The gateway
address:        25 Canton Road
address:        Tsim Sha Tsui
phone:          +852-26268766
fax-no:         +852-26268844
e-mail:         [email protected]
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:48Z
source:         APNIC

role:           ABUSE UNICOMHK
country:        ZZ
address:        28/F, Tower 1, The gateway, 25 Canton road, TST, Hong Kong
phone:          +000000000
e-mail:         [email protected]
admin-c:        NW165-AP
tech-c:         NW165-AP
nic-hdl:        AU99-AP
remarks:        Generated from irt object IRT-UNICOM-HK
remarks:        [email protected] was validated on 2025-07-17
remarks:        [email protected] was validated on 2025-09-04
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-04T17:10:17Z
source:         APNIC

person:         Nicholas Wong
address:        28/F, Tower 1, The gateway, 25 Canton road, TST, Hong Kong
country:        HK
phone:          +852 26268881
e-mail:         [email protected]
nic-hdl:        NW165-AP
notify:         [email protected]
mnt-by:         MAINT-HK-UNICOM
last-modified:  2018-03-09T01:50:33Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 121.91.0.0/16

Range	ASN	Company	Num of IPs
121.91.64.0/20	AS14374	Agri-Valley Services Corporation	4,096
121.91.16.0/20	AS16509	Amazon.com, Inc.	4,096
121.91.200.0/21	AS136907	HUAWEI INTERNATIONAL PTE. LTD.	2,048
121.91.152.0/21	AS136907	HUAWEI INTERNATIONAL PTE. LTD.	2,048
121.91.104.0/21	AS146842	China Datacom Corporation Limited	2,048
121.91.160.0/21	AS16509	Amazon.com, Inc.	2,048
121.91.144.0/21	AS16509	Amazon.com, Inc.	2,048
121.91.168.0/21	AS136907	HUAWEI INTERNATIONAL PTE. LTD.	2,048
121.91.96.0/23	AS9723	iseek Communications	512
121.91.104.0/23	AS146842	CDC SAP CCEE AP CN 1 SHA	512
121.91.106.0/23	AS146842	CDC SAP CCEE AP CN 1A SHA3	512
121.91.108.0/23	AS146842	CDC SAP CCEE AP CN 1B SHA4	512
121.91.110.0/23	AS146842	CDC SAP CCEE AP CN 1 SHA	512
121.91.57.0/24	AS138423	CMPak Public IPs	256
121.91.56.0/24	AS138423	CMPak Public IPs	256
121.91.42.0/24	AS59257	CMPak Public IPs	256
121.91.43.0/24	AS59257	CMPak Public IPs	256
121.91.199.0/24	AS9723	iseek Communications	256
121.91.200.0/24	AS136907	Huawei Cloud Thailand POP	256
121.91.205.0/24	AS136907	Huawei Cloud Thailand POP	256
121.91.204.0/24	AS136907	Huawei Cloud Thailand POP	256
121.91.201.0/24	AS136907	Huawei Cloud Thailand POP	256
121.91.32.0/24	AS59257	CMPak Public IPs	256
121.91.33.0/24	AS59257	CMPak Public IPs	256
121.91.34.0/24	AS59257	CMPak Public IPs	256
121.91.35.0/24	AS59257	CMPak Public IPs	256
121.91.36.0/24	AS59257	CMPak Public IPs	256
121.91.37.0/24	AS59257	CMPak Public IPs	256
121.91.38.0/24	AS59257	CMPak Public IPs	256
121.91.39.0/24	AS59257	CMPak Public IPs	256
121.91.40.0/24	AS59257	CMPak Public IPs	256
121.91.41.0/24	AS59257	CMPak Public IPs	256
121.91.60.0/24	AS138423	CMPak Public IPs	256
121.91.61.0/24	AS138423	CMPak Public IPs	256
121.91.62.0/24	AS138423	CMPak Public IPs	256
121.91.63.0/24	AS138423	CMPak Public IPs	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

Read more

Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
35.186.191.104	AS396982 Google LLC	`0.14ms` from Ashburn, US
75.208.33.120	AS6167 Verizon Business	`15.25ms` from Atlanta, US
97.245.58.136	AS6167 Verizon Business	`16.17ms` from Atlanta, US
187.89.192.8	AS26599 TELEFÔNICA BRASIL S.A	`15.85ms` from Brasilia, BR
223.226.3.184	AS24560 Bharti Airtel Ltd., Telemedia Services	`10.30ms` from Chennai, IN
75.240.200.216	AS6167 Verizon Business	`18.75ms` from Chicago, US
173.188.86.104	AS7029 Windstream Communications LLC	`8.40ms` from Chicago, US
24.26.211.120	AS11427 Charter Communications Inc	`6.90ms` from Dallas, US
75.161.190.120	AS209 CenturyLink Communications, LLC	`9.38ms` from Denver, US
89.91.254.232	AS5410 Bouygues Telecom SA	`1.91ms` from Lyon, FR
189.181.177.104	AS8151 UNINET	`2.11ms` from Mexico City, MX
20.217.61.8	AS8075 Microsoft Corporation	`0.32ms` from Modiin Ilit, IL
98.240.21.72	AS7922 Comcast Cable Communications, LLC	`7.64ms` from Murfreesboro, US
114.19.13.120	AS2516 KDDI CORPORATION	`8.63ms` from Osaka, JP
49.129.52.216	AS2518 BIGLOBE Inc.	`7.68ms` from Osaka, JP
132.148.114.232	AS26496 GoDaddy.com, LLC	`1.27ms` from Phoenix, US
20.5.36.40	AS8075 Microsoft Corporation	`0.95ms` from Sydney, AU
133.44.70.24	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`5.32ms` from Tokyo, JP
153.144.234.120	AS4713 NTT DOCOMO BUSINESS,Inc.	`16.96ms` from Tokyo, JP
85.135.236.120	AS8257 Slovanet a.s.	`12.24ms` from Bratislava, SK
83.134.158.56	AS5432 Proximus NV	`1.20ms` from Brussels, BE
172.74.1.184	AS11426 Charter Communications Inc	`2.40ms` from Charlotte, US
79.213.7.232	AS3320 Deutsche Telekom AG	`2.85ms` from Frankfurt am Main, DE
46.50.48.232	AS42863 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.	`18.37ms` from Lisbon, PT
34.13.249.200	AS396982 Google LLC	`0.13ms` from Oudeschip, NL

Traceroute

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

traceroute -a -n -q1 -f5 -m8 121.91.95.44

traceroute to 121.91.95.44 (121.91.95.44): 8 hops max, 52 byte packets

5 [AS7049] 190.110.99.37 0.704 ms

6 *

7 *

8 *

Measurement taken from

IPinfo ProbeNet in Santiago, CL

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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