221.218.128.0/18

AS4808 · China Unicom Beijing Province Network

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Summary

Country	China
Domain	chinaunicom.cn
ASN	AS4808
Parent Range	221.218.0.0/16
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 221.218.128.0/18

Range	ASN	Company	Num of IPs
221.218.0.0/16	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 221.218.0.0/16

Range	ASN	Company	Num of IPs
221.216.0.0/13	AS4808	China Unicom Beijing province network	524,288
221.218.0.0/16	AS4808	China Unicom Beijing province network	65,536
221.218.0.0/18	AS4808	China Unicom Beijing province network	16,384
221.218.64.0/18	AS4808	China Unicom Beijing province network	16,384
221.218.192.0/18	AS4808	China Unicom Beijing province network	16,384

Hosted domains

There are 17 domain names hosted across 17 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
221.218.172.44	adascore.com	1
221.218.166.239	26811721.xyz	1
221.218.172.147	xwsi.cc	1
221.218.187.62	youxixiu.cn	1
221.218.149.147	spacecloud.site	1
221.218.165.126	wuchaovip.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

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Pingable IPs

10,313 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
221.218.178.165	AS4808 China Unicom Beijing Province Network	4.11ms from Beijing, CN
221.218.149.130	AS4808 China Unicom Beijing Province Network	3.59ms from Beijing, CN
221.218.157.113	AS4808 China Unicom Beijing Province Network	3.50ms from Beijing, CN
221.218.181.37	AS4808 China Unicom Beijing Province Network	4.21ms from Beijing, CN
221.218.156.123	AS4808 China Unicom Beijing Province Network	3.63ms from Beijing, CN
221.218.144.1	AS4808 China Unicom Beijing Province Network	5.11ms from Beijing, CN
221.218.162.71	AS4808 China Unicom Beijing Province Network	3.16ms from Beijing, CN
221.218.179.58	AS4808 China Unicom Beijing Province Network	3.82ms from Beijing, CN
221.218.158.254	AS4808 China Unicom Beijing Province Network	3.77ms from Beijing, CN
221.218.166.226	AS4808 China Unicom Beijing Province Network	3.32ms from Beijing, CN
221.218.173.17	AS4808 China Unicom Beijing Province Network	3.43ms from Beijing, CN
221.218.167.33	AS4808 China Unicom Beijing Province Network	3.24ms from Beijing, CN
221.218.188.218	AS4808 China Unicom Beijing Province Network	4.15ms from Tianjin, CN
221.218.151.130	AS4808 China Unicom Beijing Province Network	3.95ms from Beijing, CN
221.218.153.61	AS4808 China Unicom Beijing Province Network	3.36ms from Beijing, CN
221.218.185.184	AS4808 China Unicom Beijing Province Network	4.21ms from Beijing, CN
221.218.159.240	AS4808 China Unicom Beijing Province Network	2.88ms from Beijing, CN
221.218.148.1	AS4808 China Unicom Beijing Province Network	3.39ms from Beijing, CN
221.218.152.106	AS4808 China Unicom Beijing Province Network	3.13ms from Beijing, CN
221.218.172.41	AS4808 China Unicom Beijing Province Network	3.75ms from Beijing, CN
221.218.190.174	AS4808 China Unicom Beijing Province Network	4.27ms from Beijing, CN
221.218.168.115	AS4808 China Unicom Beijing Province Network	3.60ms from Beijing, CN
221.218.163.168	AS4808 China Unicom Beijing Province Network	3.30ms from Beijing, CN
221.218.176.97	AS4808 China Unicom Beijing Province Network	3.96ms from Beijing, CN
221.218.169.227	AS4808 China Unicom Beijing Province Network	3.00ms 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
178.224.233.210	AS50266 Odido Netherlands B.V.	4.26ms from Amsterdam, NL
4.231.221.114	AS8075 Microsoft Corporation	0.25ms from Dublin, IE
2.124.91.178	AS5607 Sky UK Limited	4.94ms from London, GB
172.115.103.210	AS20001 Charter Communications Inc	5.87ms from Los Angeles, US
91.243.244.2	AS47531 GorPTUs OOO	13.31ms from Moscow, RU
39.73.112.146	AS4837 CHINA UNICOM China169 Backbone	8.63ms from Qingdao, CN
182.21.96.226	AS10010 TOKAI Communications Corporation	1.94ms from Tokyo, JP
203.119.81.2	AS38345 Internet Domain Name System Beijing Engineering Resrarch Center Ltd.	8.35ms from Zhangjiakou, CN
185.234.132.194	AS207167 mapnet IT services s.r.o.	0.17ms from Brno, CZ
84.0.71.50	AS5483 Magyar Telekom Plc.	6.41ms from Budapest, HU
103.205.102.130	AS135900 State Data Center - Hanoi Department of Science and Technology	1.87ms from Hanoi, VN
68.67.128.2	AS29990 Xandr Inc.	0.83ms from Los Angeles, US
59.153.162.146	AS36352 HostPapa	0.24ms from Los Angeles, US
200.79.93.18	AS8151 UNINET	5.59ms from Santiago de Queretaro, MX
79.124.108.194	AS44124 Rybnet Sp. z o.o. Sp. k.	8.60ms from Warsaw, PL
50.219.199.242	AS7922 Comcast Cable Communications, LLC	4.16ms from Ashburn, US
159.75.7.34	AS45090 Shenzhen Tencent Computer Systems Company Limited	1.93ms from Guangzhou, CN
39.38.244.114	AS17557 Pakistan Telecommunication Company Limited	1.70ms from Islamabad, PK
217.163.102.18	AS3356 Level 3 Parent, LLC	0.31ms from London, GB
88.11.228.98	AS3352 TELEFONICA DE ESPANA S.A.U.	8.05ms from Madrid, ES
217.198.165.130	AS20793 RTL LLC	0.98ms from Moscow, RU
31.189.212.98	AS24608 WIND TRE S.P.A.	19.52ms from Rende, IT
152.99.37.2	AS17841 NATIONAL INFORMATION RESOURCES SERVICE	5.95ms from Seoul, KR
119.68.153.50	AS17858 LG POWERCOMM	2.08ms from Seoul, KR
40.139.63.98	AS7029 Windstream Communications LLC	0.44ms from Atlanta, US

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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