1. All IP Ranges
  2. 221.0.0.0/8
  3. 221.217.0.0/16
  4. AS4808  | 221.217.64.0/18

221.217.64.0/18

AS4808  ·  China Unicom Beijing Province Network

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Summary

Country China
Domain chinaunicom.cn
ASN AS4808
Parent Range 221.216.0.0/13
Registry APNIC
ID UNICOM-BJ

WHOIS Details

inetnum:        221.216.0.0 - 221.223.255.255
netname:        UNICOM-BJ
descr:          China Unicom Beijing province network
descr:          China Unicom
country:        CN
admin-c:        CH1302-AP
tech-c:         SY21-AP
abuse-c:        AC1718-AP
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CNCGROUP-BJ
mnt-routes:     MAINT-CNCGROUP-RR
mnt-irt:        IRT-CU-CN
last-modified:  2021-11-09T07:38:09Z
source:         APNIC

irt:            IRT-CU-CN
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
e-mail:         zhaoyz3@chinaunicom.cn
abuse-mailbox:  zhaoyz3@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
auth:           # Filtered
remarks:        zhaoyz3@chinaunicom.cn 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:         zhaoyz3@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
nic-hdl:        AC1718-AP
remarks:        Generated from irt object IRT-CU-CN
remarks:        zhaoyz3@chinaunicom.cn was validated on 2025-10-17
abuse-mailbox:  zhaoyz3@chinaunicom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-10-17T02:26:56Z
source:         APNIC

person:         ChinaUnicom Hostmaster
nic-hdl:        CH1302-AP
e-mail:         hqs-ipabuse@chinaunicom.cn
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:         sun ying
address:        fu xing men nei da jie 97, Xicheng District
address:        Beijing 100800
country:        CN
phone:          +86-10-66030657
fax-no:         +86-10-66078815
e-mail:         hostmast@publicf.bta.net.cn
nic-hdl:        SY21-AP
mnt-by:         MAINT-CNCGROUP-BJ
last-modified:  2009-06-30T08:42:48Z
source:         APNIC

route:          221.216.0.0/13
descr:          China Unicom Beijing Province Network
country:        CN
origin:         AS4808
mnt-by:         MAINT-CNCGROUP-RR
last-modified:  2016-05-20T01:24:03Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 221.217.64.0/18

Range ASN Company Num of IPs
221.216.0.0/13 AS4808 China Unicom Beijing province network 524,288

Nearby Ranges

BGP prefixes that overlap with 221.217.0.0/16

Range ASN Company Num of IPs
221.216.0.0/13 AS4808 China Unicom Beijing province network 524,288

Hosted domains

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

IP Address Domain Domains on this IP
221.217.124.160 azuresonance.com 1
221.217.120.10 ruiyou.online 1
221.217.124.85 ukuku.top 1
221.217.125.178 bjtu.tech 1
221.217.124.187 sirwater.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

5,606 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
221.217.88.81 AS4808 China Unicom Beijing Province Network 3.93ms from Beijing, CN
221.217.124.1 AS4808 China Unicom Beijing Province Network 3.17ms from Beijing, CN
221.217.100.1 AS4808 China Unicom Beijing Province Network 4.82ms from Beijing, CN
221.217.64.1 AS4808 China Unicom Beijing Province Network 5.51ms from Beijing, CN
221.217.93.222 AS4808 China Unicom Beijing Province Network 4.09ms from Beijing, CN
221.217.109.26 AS4808 China Unicom Beijing Province Network 4.04ms from Beijing, CN
221.217.92.30 AS4808 China Unicom Beijing Province Network 3.20ms from Beijing, CN
221.217.89.194 AS4808 China Unicom Beijing Province Network 3.86ms from Beijing, CN
221.217.118.2 AS4808 China Unicom Beijing Province Network 4.56ms from Beijing, CN
221.217.125.65 AS4808 China Unicom Beijing Province Network 2.94ms from Beijing, CN
221.217.116.133 AS4808 China Unicom Beijing Province Network 4.51ms from Beijing, CN
221.217.94.134 AS4808 China Unicom Beijing Province Network 4.94ms from Beijing, CN
221.217.113.111 AS4808 China Unicom Beijing Province Network 3.97ms from Beijing, CN
221.217.73.198 AS4808 China Unicom Beijing Province Network 3.94ms from Beijing, CN
221.217.79.90 AS4808 China Unicom Beijing Province Network 3.96ms from Beijing, CN
221.217.72.1 AS4808 China Unicom Beijing Province Network 3.67ms from Beijing, CN
221.217.114.31 AS4808 China Unicom Beijing Province Network 4.31ms from Beijing, CN
221.217.111.169 AS4808 China Unicom Beijing Province Network 4.19ms from Beijing, CN
221.217.119.40 AS4808 China Unicom Beijing Province Network 4.79ms from Beijing, CN
221.217.78.18 AS4808 China Unicom Beijing Province Network 3.83ms from Beijing, CN
221.217.76.125 AS4808 China Unicom Beijing Province Network 3.98ms from Beijing, CN
221.217.122.26 AS4808 China Unicom Beijing Province Network 3.84ms from Beijing, CN
221.217.91.14 AS4808 China Unicom Beijing Province Network 4.50ms from Beijing, CN
221.217.123.144 AS4808 China Unicom Beijing Province Network 3.88ms from Beijing, CN
221.217.117.79 AS4808 China Unicom Beijing Province Network 3.99ms from Beijing, 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
103.21.50.146 AS58750 Logic Plus 0.94ms from Adelaide, AU
144.15.118.98 AS13684 Medtronic, Incorporated 3.23ms from Amsterdam, NL
135.119.232.114 AS8075 Microsoft Corporation 0.81ms from Boydton, US
87.64.1.98 AS5432 Proximus NV 2.29ms from Brussels, BE
45.236.82.242 AS266794 LA TOMA CABLE, S.A. 15.83ms from Buenos Aires, AR
68.144.213.50 AS6327 Shaw Communications 7.81ms from Calgary, CA
85.197.189.114 AS34622 Bredband i Kristianstad AB 6.34ms from Copenhagen, DK
138.36.224.2 AS264588 TDVK TELECOM LTDA 0.46ms from Fortaleza, BR
221.1.8.130 AS4837 CHINA UNICOM China169 Backbone 4.58ms from Jinan, CN
175.147.101.2 AS4837 CHINA UNICOM China169 Backbone 9.91ms from Liaoyang, CN
106.227.81.146 AS149837 China Telecom 0.80ms from Nanchang, CN
126.57.225.82 AS17676 SoftBank Corp. 11.24ms from Osaka, JP
81.91.211.162 AS39817 OvaNet, a.s. 5.93ms from Prague, CZ
119.162.105.34 AS4837 CHINA UNICOM China169 Backbone 5.98ms from Qingdao, CN
209.66.73.242 AS393948 Girl Scouts of the United States of America 0.46ms from Secaucus, US
47.18.170.130 AS6128 Cablevision Systems Corp. 3.44ms from Secaucus, US
188.122.158.2 AS29518 Bredband2 AB 12.04ms from Stockholm, SE
111.237.115.2 AS2516 KDDI CORPORATION 2.50ms from Tokyo, JP
62.57.37.34 AS6739 VODAFONE ONO, S.A. 5.42ms from Barcelona, ES
2.106.43.194 AS3292 TDC Holding A/S 0.99ms from Copenhagen, DK
47.218.103.82 AS19108 Optimum 8.70ms from Dallas, US
97.134.237.2 AS6167 Verizon Business 15.69ms from Dallas, US
198.135.220.2 AS44486 synlinq.de 0.55ms from Frankfurt am Main, DE
162.231.252.130 AS7018 AT&T Enterprises, LLC 17.60ms from Kansas City, US
49.124.204.178 AS4818 DiGi Telecommunications Sdn. Bhd. 1.70ms from Kuala Lumpur, MY

Traceroute

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

$
traceroute -a -n -q1 -m16 221.217.96.233
traceroute to 221.217.96.233 (221.217.96.233): 16 hops max, 52 byte packets
1 [AS202422] 5.188.168.2 0.109 ms
3 *
4 *
5 *
6 *
7 [AS3257] 212.221.77.17 11.737 ms
8 [AS3257] 89.149.137.14 40.744 ms
9 *
10 [AS4837] 219.158.15.157 282.539 ms
11 *
12 *
13 [AS4808] 61.49.214.42 294.155 ms
14 *
15 *
16 *
Measurement taken from IPinfo ProbeNet in Istanbul, TR
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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