221.7.0.0/19

AS4837  ·  CHINA UNICOM China169 Backbone

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Summary

Country China
Domain chinaunicom.cn
ASN AS4837
Registry APNIC
ID UNICOM-XJ

WHOIS Details

inetnum:        221.7.0.0 - 221.7.31.255
netname:        UNICOM-XJ
descr:          China Unicom Xinjiang province network
descr:          China Unicom
country:        CN
admin-c:        CH1302-AP
tech-c:         WF114-AP
abuse-c:        AC1718-AP
status:         ALLOCATED PORTABLE
remarks:        service provider
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CNCGROUP-XJ
mnt-routes:     MAINT-CNCGROUP-RR
mnt-irt:        IRT-CU-CN
last-modified:  2025-01-22T13:18:49Z
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

person:         wang fujiang
nic-hdl:        WF114-AP
e-mail:         [email protected]
address:        No.168  Huang He  Road
address:        Urumqi   830000,China
phone:          +86  991  6119979
fax-no:         +86  991  6119946
country:        cn
mnt-by:         MAINT-CNCGROUP-XJ
last-modified:  2009-01-08T10:46:26Z
source:         APNIC

route:          221.7.0.0/19
descr:          CNC Group CHINA169 Xinjiang Province Network
country:        CN
origin:         AS4837
mnt-by:         MAINT-CNCGROUP-RR
last-modified:  2008-09-04T07:54:44Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 221.7.0.0/16

Range ASN Company Num of IPs
221.7.128.0/17 AS4837 China Unicom Guangxi province network 32,768
221.7.32.0/19 AS4837 China Unicom Gansu province network 8,192

Hosted domains

There are 13 domain names hosted across 3 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
221.7.12.40 xn--1jrq5at94irsi.xn--fiqz9s 11
221.7.12.178 kenyte.com 1
221.7.12.139 xjzjyypt.net 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

Pingable IPs

1,349 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
221.7.15.33 AS4837 CHINA UNICOM China169 Backbone 7.26ms from Hami, CN
221.7.9.25 AS4837 CHINA UNICOM China169 Backbone 7.29ms from Hami, CN
221.7.26.93 AS4837 CHINA UNICOM China169 Backbone 7.17ms from Hami, CN
221.7.31.93 AS4837 CHINA UNICOM China169 Backbone 7.06ms from Hami, CN
221.7.4.69 AS4837 CHINA UNICOM China169 Backbone 7.25ms from Hami, CN
221.7.19.21 AS4837 CHINA UNICOM China169 Backbone 0.15ms from Hami, CN
221.7.18.201 AS4837 CHINA UNICOM China169 Backbone 7.08ms from Hami, CN
221.7.6.147 AS4837 CHINA UNICOM China169 Backbone 7.44ms from Hami, CN
221.7.12.139 AS4837 CHINA UNICOM China169 Backbone 7.89ms from Hami, CN
221.7.11.85 AS4837 CHINA UNICOM China169 Backbone 7.31ms from Hami, CN
221.7.3.77 AS4837 CHINA UNICOM China169 Backbone 7.25ms from Hami, CN
221.7.14.129 AS4837 CHINA UNICOM China169 Backbone 7.27ms from Hami, CN
221.7.0.157 AS4837 CHINA UNICOM China169 Backbone 7.32ms from Hami, CN
221.7.13.58 AS4837 CHINA UNICOM China169 Backbone 7.58ms from Hami, CN
221.7.30.49 AS4837 CHINA UNICOM China169 Backbone 7.07ms from Hami, CN
221.7.23.157 AS4837 CHINA UNICOM China169 Backbone 7.19ms from Hami, CN
221.7.27.101 AS4837 CHINA UNICOM China169 Backbone 7.09ms from Hami, CN
221.7.29.29 AS4837 CHINA UNICOM China169 Backbone 7.04ms from Hami, CN
221.7.16.253 AS4837 CHINA UNICOM China169 Backbone 7.07ms from Hami, CN
221.7.1.253 AS4837 CHINA UNICOM China169 Backbone 7.28ms from Hami, CN
221.7.17.113 AS4837 CHINA UNICOM China169 Backbone 7.04ms from Hami, CN
221.7.28.93 AS4837 CHINA UNICOM China169 Backbone 7.08ms from Hami, CN
221.7.24.9 AS4837 CHINA UNICOM China169 Backbone 7.07ms from Hami, CN
221.7.25.41 AS4837 CHINA UNICOM China169 Backbone 7.05ms from Hami, CN
221.7.10.41 AS4837 CHINA UNICOM China169 Backbone 7.27ms from Hami, CN

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
20.117.5.195 AS8075 Microsoft Corporation 0.25ms from Cardiff, GB
18.217.204.83 AS16509 Amazon.com, Inc. 0.16ms from Columbus, US
76.228.206.147 AS7018 AT&T Enterprises, LLC 2.00ms from Dallas, US
73.169.4.131 AS7922 Comcast Cable Communications, LLC 2.43ms from Denver, US
67.180.170.35 AS7922 Comcast Cable Communications, LLC 5.31ms from Fremont, US
121.196.255.35 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 4.48ms from Hangzhou, CN
90.242.95.35 AS5378 Vodafone Limited 4.74ms from Manchester, GB
114.149.101.163 AS4713 NTT DOCOMO BUSINESS,Inc. 5.44ms from Osaka, JP
115.128.97.227 AS7545 TPG Telecom Limited 0.94ms from Sydney, AU
70.31.143.163 AS577 Bell Canada 4.54ms from Toronto, CA
128.201.145.3 AS55082 WINK Streaming LLC 0.21ms from Ashburn, US
71.163.34.99 AS701 Verizon Business 2.80ms from Ashburn, US
80.208.57.147 AS44869 FIBIA P/S 4.99ms from Copenhagen, DK
137.226.14.195 AS47610 RWTH Aachen University 4.15ms from Frankfurt am Main, DE
117.24.142.19 AS4134 CHINANET-BACKBONE 6.65ms from Fuzhou, CN
116.138.126.227 AS4837 CHINA UNICOM China169 Backbone 5.96ms from Liaoyang, CN
86.181.237.243 AS2856 British Telecommunications PLC 2.61ms from London, GB
220.245.194.3 AS7545 TPG Telecom Limited 1.89ms from Melbourne, AU
102.204.188.3 AS329627 Wingu Tanzania Limited 13.18ms from Nairobi, KE
3.239.34.51 AS14618 Amazon.com, Inc. 0.20ms from Reston, US
183.117.176.211 AS4766 Korea Telecom 2.56ms from Seoul, KR
111.197.124.195 AS4808 China Unicom Beijing Province Network 5.09ms from Beijing, CN
122.141.49.35 AS4837 CHINA UNICOM China169 Backbone 7.78ms from Changchun, CN
216.118.201.147 AS3561 CenturyLink Communications, LLC 1.89ms from Chicago, US
113.180.240.179 AS45899 VNPT Corp 3.91ms from Ho Chi Minh City, VN

Traceroute

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

$
traceroute -a -n -q1 -f5 221.7.10.37
traceroute to 221.7.10.37 (221.7.10.37): 64 hops max, 52 byte packets
5 [AS4837] 221.7.19.93 0.966 ms
6 [AS4837] 221.7.10.37 7.326 ms
Measurement taken from IPinfo ProbeNet in Hami, CN
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.

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