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Summary

Country	China
Domain	chinaunicom.cn
ASN	AS4837
Registry	APNIC
ID	CU-CN

WHOIS Details

inet6num:       2408:8000::/20
netname:        CU-CN
descr:          China Unicom
descr:          No.21, Jin-Rong Street
descr:          Beijng 100033
country:        CN
admin-c:        CH1302-AP
tech-c:         CH1302-AP
abuse-c:        AC1718-AP
status:         ALLOCATED PORTABLE
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-CNCGROUP
mnt-routes:     MAINT-CNCGROUP-RR
mnt-irt:        IRT-CU-CN
last-modified:  2023-10-21T03:39:56Z
source:         APNIC

irt:            IRT-CU-CN
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        CH1302-AP
tech-c:         CH1302-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2025-10-17
mnt-by:         MAINT-CNCGROUP
last-modified:  2025-11-18T00:26:20Z
source:         APNIC

role:           ABUSE CUCN
country:        ZZ
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
phone:          +000000000
e-mail:         [email protected]
admin-c:        CH1302-AP
tech-c:         CH1302-AP
nic-hdl:        AC1718-AP
remarks:        Generated from irt object IRT-CU-CN
remarks:        [email protected] was validated on 2025-10-17
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2025-10-17T02:26:56Z
source:         APNIC

person:         ChinaUnicom Hostmaster
nic-hdl:        CH1302-AP
e-mail:         [email protected]
address:        No.21,Jin-Rong Street
address:        Beijing,100033
address:        P.R.China
phone:          +86-10-66259764
fax-no:         +86-10-66259764
country:        CN
mnt-by:         MAINT-CNCGROUP
last-modified:  2017-08-17T06:13:16Z
source:         APNIC

route6:         2408:8000::/20
descr:          China Unicom IPv6 Network
country:        CN
origin:         AS4837
mnt-by:         MAINT-CNCGROUP-RR
last-modified:  2018-01-18T02:14:01Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 2408:80e2::/33

No nearby ranges found.

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

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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
5.104.116.1	AS57112 F2X Operator B.V.	`0.14ms` from Amsterdam, NL
195.251.19.1	AS5408 National Infrastructures for Research and Technology S.A.	`6.95ms` from Athens, GR
143.215.232.1	AS2637 Georgia Institute of Technology	`1.28ms` from Atlanta, US
12.68.228.113	AS7018 AT&T Enterprises, LLC	`6.04ms` from Atlanta, US
190.145.108.113	AS14080 Telmex Colombia S.A.	`1.00ms` from Bogota, CO
207.89.59.1	AS394444 Jefferson Radiology, P.C.	`8.19ms` from Boston, US
181.170.134.1	AS7303 Telecom Argentina S.A.	`6.53ms` from Buenos Aires, AR
152.170.53.1	AS7303 Telecom Argentina S.A.	`1.70ms` from Buenos Aires, AR
70.75.200.1	AS6327 Shaw Communications	`5.17ms` from Calgary, CA
197.146.45.193	AS36884 Wana Corporate	`4.88ms` from Casablanca, MA
207.113.165.1	AS13428 Surf Air Wireless, LLC	`2.81ms` from Chicago, US
52.124.38.97	AS62887 WhiteSky Communications, LLC.	`0.42ms` from Chicago, US
73.176.236.1	AS7922 Comcast Cable Communications, LLC	`1.90ms` from Chicago, US
71.67.227.161	AS10796 Charter Communications Inc	`1.84ms` from Cleveland, US
74.87.179.81	AS11427 Charter Communications Inc	`18.56ms` from Dallas, US
163.227.190.1	AS151734 WEBYNE DATA CENTRE PRIVATE LIMITED	`1.33ms` from Delhi, IN
64.88.88.1	AS26463 Macomb Intermediate School District	`3.71ms` from Detroit, US
164.106.5.1	AS22845 Virginia Community College System	`8.06ms` from Durham, US
168.194.20.129	AS265383 VIANA PEREIRA PROVEDORES DE A. AS REDES DE C. LTDA	`0.64ms` from Fortaleza, BR
200.213.113.225	AS4230 CLARO S.A.	`19.76ms` from Fortaleza, BR
36.249.51.225	AS4837 CHINA UNICOM China169 Backbone	`7.39ms` from Fuzhou, CN
4.225.66.161	AS8075 Microsoft Corporation	`0.18ms` from Gaevle, SE
82.21.92.1	AS395839 HOSTKEY	`0.21ms` from Herndon, US
66.33.127.65	AS35847 Ezee Fiber	`1.34ms` from Houston, US
114.218.8.1	AS4134 CHINANET-BACKBONE	`7.04ms` from Huai'an, CN

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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