221.217.128.0/18

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:  2025-10-17T02:26:26Z
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 221.217.128.0/18

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 8 domain names hosted across 8 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
221.217.153.99 xn--7qv243a7ji.top 1
221.217.140.146 joseph2018.cn 1
221.217.134.225 zlsun.top 1
221.217.130.82 ie94.com 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

7,887 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
221.217.129.124 AS4808 China Unicom Beijing Province Network 4.16ms from Beijing, CN
221.217.132.1 AS4808 China Unicom Beijing Province Network 2.75ms from Beijing, CN
221.217.135.170 AS4808 China Unicom Beijing Province Network 3.46ms from Beijing, CN
221.217.134.159 AS4808 China Unicom Beijing Province Network 3.47ms from Beijing, CN
221.217.128.197 AS4808 China Unicom Beijing Province Network 4.16ms from Beijing, CN
221.217.136.1 AS4808 China Unicom Beijing Province Network 4.02ms from Beijing, CN
221.217.133.187 AS4808 China Unicom Beijing Province Network 3.10ms from Beijing, CN
221.217.131.111 AS4808 China Unicom Beijing Province Network 4.24ms from Beijing, CN
221.217.130.12 AS4808 China Unicom Beijing Province Network 4.30ms from Beijing, CN
221.217.169.242 AS4808 China Unicom Beijing Province Network 3.44ms from Beijing, CN
221.217.144.176 AS4808 China Unicom Beijing Province Network 3.74ms from Beijing, CN
221.217.143.250 AS4808 China Unicom Beijing Province Network 3.67ms from Beijing, CN
221.217.171.201 AS4808 China Unicom Beijing Province Network 3.43ms from Beijing, CN
221.217.175.122 AS4808 China Unicom Beijing Province Network 3.54ms from Beijing, CN
221.217.173.107 AS4808 China Unicom Beijing Province Network 3.54ms from Beijing, CN
221.217.154.33 AS4808 China Unicom Beijing Province Network 3.47ms from Beijing, CN
221.217.141.35 AS4808 China Unicom Beijing Province Network 3.50ms from Beijing, CN
221.217.165.30 AS4808 China Unicom Beijing Province Network 3.37ms from Beijing, CN
221.217.172.189 AS4808 China Unicom Beijing Province Network 3.71ms from Beijing, CN
221.217.161.82 AS4808 China Unicom Beijing Province Network 3.20ms from Beijing, CN
221.217.145.38 AS4808 China Unicom Beijing Province Network 3.58ms from Beijing, CN
221.217.162.167 AS4808 China Unicom Beijing Province Network 3.12ms from Beijing, CN
221.217.184.1 AS4808 China Unicom Beijing Province Network 4.81ms from Beijing, CN
221.217.153.6 AS4808 China Unicom Beijing Province Network 3.90ms from Beijing, CN
221.217.146.144 AS4808 China Unicom Beijing Province Network 3.80ms 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
50.7.231.146 AS30058 FDCservers.net 0.09ms from Amsterdam, NL
72.9.232.66 AS11042 NETWORK TRANSIT HOLDINGS LLC 1.22ms from Atlanta, US
99.83.253.194 AS16509 Amazon.com, Inc. 0.04ms from Bangkok, TH
190.210.20.114 AS16814 NSS S.A. 0.15ms from Buenos Aires, AR
66.66.106.66 AS11351 Charter Communications Inc 16.15ms from Chicago, US
184.85.236.114 AS16625 Akamai Technologies, Inc. 0.20ms from Chicago, US
12.89.232.146 AS7018 AT&T Enterprises, LLC 8.40ms from Chicago, US
96.72.224.162 AS7922 Comcast Cable Communications, LLC 9.47ms from Chicago, US
50.255.220.34 AS7922 Comcast Cable Communications, LLC 10.09ms from Chicago, US
204.11.140.34 AS22768 SYNERGY BROADBAND 0.23ms from Detroit, US
93.232.13.66 AS3320 Deutsche Telekom AG 6.38ms from Frankfurt am Main, DE
212.185.19.18 AS3320 Deutsche Telekom AG 0.84ms from Hamburg, DE
61.164.120.34 AS4134 CHINANET-BACKBONE 9.84ms from Hangzhou, CN
84.44.113.178 AS213858 AYTEMIZ YATIRIM BANKASI ANONIM SIRKETI 3.70ms from Istanbul, TR
213.14.95.2 AS34984 Superonline Iletisim Hizmetleri A.S. 0.50ms from Istanbul, TR
109.235.122.98 AS59395 Southern Communications Ltd 0.52ms from London, GB
140.209.201.114 AS394089 Google LLC 0.11ms from Los Angeles, US
2.15.44.98 AS3215 Orange S.A. 5.01ms from Marseille, FR
84.32.21.162 AS152179 GLOBAL COMMUNICATION NETWORK LIMITED 0.17ms from Mumbai, IN
173.235.115.66 AS11272 C Spire Fiber 3.68ms from New Orleans, US
57.72.152.18 AS51964 ORANGE BUSINESS SERVICES U.S. Inc. 7.00ms from Osaka, JP
201.90.196.2 AS4230 CLARO S.A. 0.55ms from Osasco, BR
68.66.128.2 AS393571 Konica Minolta Business Solutions U.S.A, Inc. 1.05ms from Phoenix, US
76.27.238.18 AS7922 Comcast Cable Communications, LLC 8.80ms from Portland, US
178.71.239.146 AS12389 PJSC Rostelecom 1.48ms from Saint Petersburg, RU

Traceroute

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

$
traceroute -a -n -q1 -f4 221.217.152.169
traceroute to 221.217.152.169 (221.217.152.169): 64 hops max, 52 byte packets
4 [AS3356] 4.26.2.166 194.991 ms
5 *
6 *
7 *
8 *
9 [AS4808] 61.48.24.190 221.608 ms
10 [AS4808] 221.217.152.169 199.76 ms
Measurement taken from IPinfo ProbeNet in Mount Prospect, US
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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