221.221.64.0/18

AS4808 · China Unicom Beijing Province Network

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Summary

Country	China
Domain	chinaunicom.cn
ASN	AS4808
Parent Range	221.221.0.0/16
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 221.221.64.0/18

Range	ASN	Company	Num of IPs
221.221.0.0/16	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 221.221.0.0/16

Range	ASN	Company	Num of IPs
221.216.0.0/13	AS4808	China Unicom Beijing province network	524,288
221.221.0.0/16	AS4808	China Unicom Beijing province network	65,536
221.221.0.0/18	AS4808	China Unicom Beijing province network	16,384
221.221.192.0/18	AS4808	China Unicom Beijing province network	16,384
221.221.128.0/18	AS4808	China Unicom Beijing province network	16,384

Hosted domains

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

IP Address	Domain	Domains on this IP
221.221.89.218	ddau.xyz	1
221.221.111.233	xscxsc88.cn	1
221.221.89.141	gffwnj.top	1
221.221.91.127	lwlaz.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

6,739 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
221.221.66.129	AS4808 China Unicom Beijing Province Network	8.83ms from Beijing, CN
221.221.88.1	AS4808 China Unicom Beijing Province Network	3.04ms from Beijing, CN
221.221.80.205	AS4808 China Unicom Beijing Province Network	4.26ms from Beijing, CN
221.221.105.125	AS4808 China Unicom Beijing Province Network	3.68ms from Beijing, CN
221.221.90.251	AS4808 China Unicom Beijing Province Network	3.40ms from Tianjin, CN
221.221.96.1	AS4808 China Unicom Beijing Province Network	3.46ms from Beijing, CN
221.221.82.99	AS4808 China Unicom Beijing Province Network	4.34ms from Beijing, CN
221.221.98.103	AS4808 China Unicom Beijing Province Network	3.44ms from Beijing, CN
221.221.67.227	AS4808 China Unicom Beijing Province Network	8.90ms from Beijing, CN
221.221.65.238	AS4808 China Unicom Beijing Province Network	7.06ms from Beijing, CN
221.221.85.84	AS4808 China Unicom Beijing Province Network	4.39ms from Beijing, CN
221.221.92.78	AS4808 China Unicom Beijing Province Network	3.66ms from Beijing, CN
221.221.99.166	AS4808 China Unicom Beijing Province Network	3.63ms from Beijing, CN
221.221.93.76	AS4808 China Unicom Beijing Province Network	3.50ms from Beijing, CN
221.221.107.231	AS4808 China Unicom Beijing Province Network	3.79ms from Beijing, CN
221.221.91.80	AS4808 China Unicom Beijing Province Network	3.63ms from Beijing, CN
221.221.110.142	AS4808 China Unicom Beijing Province Network	3.78ms from Tianjin, CN
221.221.94.204	AS4808 China Unicom Beijing Province Network	3.35ms from Beijing, CN
221.221.68.1	AS4808 China Unicom Beijing Province Network	3.71ms from Beijing, CN
221.221.84.209	AS4808 China Unicom Beijing Province Network	4.65ms from Beijing, CN
221.221.89.166	AS4808 China Unicom Beijing Province Network	3.87ms from Beijing, CN
221.221.104.209	AS4808 China Unicom Beijing Province Network	3.45ms from Beijing, CN
221.221.106.29	AS4808 China Unicom Beijing Province Network	3.74ms from Beijing, CN
221.221.81.154	AS4808 China Unicom Beijing Province Network	4.51ms from Beijing, CN
221.221.95.45	AS4808 China Unicom Beijing Province Network	3.56ms 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
145.126.81.2	AS1103 SURF B.V.	5.85ms from Amsterdam, NL
210.55.96.178	AS4648 Global-Gateway Internet	0.37ms from Auckland, NZ
66.39.165.194	AS27008 BendTel	0.18ms from Bend, US
196.14.245.34	AS3741 Dimension Data	0.91ms from Johannesburg, ZA
196.43.243.2	AS37488 Secure Conekt (Pty) Ltd	0.16ms from Johannesburg, ZA
89.207.25.18	AS34968 iunxi B.V.	0.64ms from Amsterdam, NL
136.172.121.50	AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.	5.32ms from Berlin, DE
221.127.65.146	AS9304 HGC Global Communications Limited	1.29ms from Hong Kong, HK
172.100.116.146	AS11351 Charter Communications Inc	11.74ms from Secaucus, US
199.197.148.130	AS16638 Corning Incorporated	2.92ms from Seoul, KR
106.166.120.2	AS2516 KDDI CORPORATION	2.43ms from Tokyo, JP
12.138.54.210	AS7018 AT&T Enterprises, LLC	6.48ms from Atlanta, US
20.10.58.66	AS8075 Microsoft Corporation	0.32ms from Boydton, US
81.88.128.162	AS5578 SWAN, a.s.	0.38ms from Bratislava, SK
81.68.92.98	AS45090 Shenzhen Tencent Computer Systems Company Limited	0.76ms from Shanghai, CN
18.22.89.130	AS3 Massachusetts Institute of Technology	11.95ms from Boston, US
195.143.179.2	AS3257 GTT Communications Inc.	6.71ms from Ljubljana, SI
174.75.53.242	AS22773 Cox Communications Inc.	5.75ms from Los Angeles, US
155.0.102.2	AS37532 Zambia Research and Education Network (ZAMREN)	9.35ms from Lusaka, ZM
64.152.161.82	AS3356 Level 3 Parent, LLC	0.52ms from New York City, US
2.65.157.130	AS44034 Hi3G Access AB	7.72ms from Stockholm, SE
20.119.83.242	AS8075 Microsoft Corporation	0.72ms from Ashburn, US
191.107.210.226	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	5.20ms from Bogota, CO
114.130.48.2	AS17806 Tire-1 IP Transit Provider of Bangladesh	6.92ms from Dhaka, BD
79.193.101.226	AS3320 Deutsche Telekom AG	5.21ms from Frankfurt am Main, DE

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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