221.223.128.0/18

AS4808 · China Unicom Beijing Province Network

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Summary

Country	China
Domain	chinaunicom.cn
ASN	AS4808
Parent Range	221.223.0.0/16
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 2025-02-24
mnt-by:         MAINT-CNCGROUP
last-modified:  2025-02-24T06:16:57Z
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 2025-02-24
abuse-mailbox:  zhaoyz3@chinaunicom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-02-24T06:17:45Z
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 221.223.128.0/18

Range	ASN	Company	Num of IPs
221.223.0.0/16	AS4808	China Unicom Beijing province network	65,536
221.216.0.0/13	AS4808	China Unicom Beijing province network	524,288

Nearby Ranges

BGP prefixes that overlap with 221.223.0.0/16

Range	ASN	Company	Num of IPs
221.216.0.0/13	AS4808	China Unicom Beijing province network	524,288
221.223.0.0/16	AS4808	China Unicom Beijing province network	65,536
221.223.0.0/18	AS4808	China Unicom Beijing province network	16,384
221.223.64.0/18	AS4808	China Unicom Beijing province network	16,384
221.223.192.0/18	AS4808	China Unicom Beijing province network	16,384

Hosted domains

There are 12 domain names hosted across 11 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
221.223.160.176	sirwater.cn	1
221.223.160.123	805900.xyz	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

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Pingable IPs

5,488 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
221.223.171.39	AS4808 China Unicom Beijing Province Network	4.71ms from Beijing, CN
221.223.172.44	AS4808 China Unicom Beijing Province Network	4.60ms from Beijing, CN
221.223.174.206	AS4808 China Unicom Beijing Province Network	4.37ms from Beijing, CN
221.223.163.65	AS4808 China Unicom Beijing Province Network	3.78ms from Beijing, CN
221.223.189.88	AS4808 China Unicom Beijing Province Network	4.47ms from Beijing, CN
221.223.169.31	AS4808 China Unicom Beijing Province Network	4.48ms from Beijing, CN
221.223.170.221	AS4808 China Unicom Beijing Province Network	5.08ms from Beijing, CN
221.223.182.98	AS4808 China Unicom Beijing Province Network	3.81ms from Beijing, CN
221.223.181.254	AS4808 China Unicom Beijing Province Network	3.41ms from Beijing, CN
221.223.186.179	AS4808 China Unicom Beijing Province Network	4.40ms from Tianjin, CN
221.223.157.52	AS4808 China Unicom Beijing Province Network	4.26ms from Beijing, CN
221.223.162.65	AS4808 China Unicom Beijing Province Network	3.35ms from Beijing, CN
221.223.191.107	AS4808 China Unicom Beijing Province Network	4.38ms from Beijing, CN
221.223.176.141	AS4808 China Unicom Beijing Province Network	3.84ms from Beijing, CN
221.223.183.236	AS4808 China Unicom Beijing Province Network	3.71ms from Beijing, CN
221.223.168.188	AS4808 China Unicom Beijing Province Network	4.39ms from Beijing, CN
221.223.190.216	AS4808 China Unicom Beijing Province Network	4.04ms from Beijing, CN
221.223.159.168	AS4808 China Unicom Beijing Province Network	4.28ms from Beijing, CN
221.223.156.116	AS4808 China Unicom Beijing Province Network	4.16ms from Beijing, CN
221.223.184.249	AS4808 China Unicom Beijing Province Network	3.94ms from Beijing, CN
221.223.158.156	AS4808 China Unicom Beijing Province Network	4.02ms from Beijing, CN
221.223.154.129	AS4808 China Unicom Beijing Province Network	4.71ms from Beijing, CN
221.223.178.177	AS4808 China Unicom Beijing Province Network	3.62ms from Beijing, CN
221.223.173.181	AS4808 China Unicom Beijing Province Network	4.23ms from Beijing, CN
221.223.164.1	AS4808 China Unicom Beijing Province Network	4.37ms from Tianjin, 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
118.247.246.194	AS4847 China Networks Inter-Exchange	5.94ms from Beijing, CN
117.192.19.2	AS9829 National Internet Backbone	5.95ms from Chennai, IN
146.148.35.226	AS396982 Google LLC	0.12ms from Council Bluffs, US
198.181.200.66	AS33695 ScaleMatrix	3.63ms from Los Angeles, US
85.61.121.18	AS12479 Orange Espagne SA	8.54ms from Madrid, ES
90.160.104.226	AS12479 Orange Espagne SA	0.96ms from Madrid, ES
119.25.214.162	AS9617 JCOM Co., Ltd.	8.76ms from Osaka, JP
165.253.42.50	AS63138 Blue Shield of California	4.38ms from San Jose, US
186.123.74.2	AS11664 Techtel LMDS Comunicaciones Interactivas S.A.	18.49ms from Buenos Aires, AR
52.106.0.2	AS8075 Microsoft Corporation	0.28ms from Des Moines, US
81.158.11.50	AS2856 British Telecommunications PLC	1.43ms from London, GB
79.129.147.210	AS6799 Ote SA (Hellenic Telecommunications Organisation)	1.00ms from Athens, GR
118.93.178.146	AS9500 One New Zealand Group Limited	3.07ms from Auckland, NZ
47.86.104.178	AS45102 Alibaba (US) Technology Co., Ltd.	0.73ms from Hong Kong, HK
184.183.200.18	AS22773 Cox Communications Inc.	4.62ms from Kansas City, US
212.15.36.2	AS8410 NovInvestRezerv, LLC	1.02ms from Novosibirsk, RU
126.140.108.146	AS17676 SoftBank Corp.	3.90ms from Osaka, JP
217.24.247.82	AS42313 ONE ALBANIA SH.A.	4.67ms from Pristina, XK
46.30.172.2	AS15605 Connesi s.p.a.	4.35ms from Rome, IT
13.115.240.162	AS16509 Amazon.com, Inc.	0.19ms from Tokyo, JP
185.179.63.18	AS206672 Logifuture Austria GmbH	4.61ms from Zuerich, CH
152.160.36.242	AS12129 123.Net, Inc.	0.30ms from Detroit, US
203.186.146.130	AS9269 Hong Kong Broadband Network Ltd.	0.61ms from Hong Kong, HK
195.161.53.66	AS199922 PENSION AND SOCIAL INSURANCE FUND OF THE RUSSIAN FEDERATION	1.05ms from Moscow, RU
170.247.187.66	AS271245 Yauh Telecom Provedores	15.74ms from Sao Paulo, BR

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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