61.51.80.0/21

AS4808 · China Unicom Beijing Province Network

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Summary

Country	China
Domain	chinaunicom.cn
ASN	AS4808
Parent Range	61.51.64.0/18
Registry	APNIC
ID	UNICOM-BJ

WHOIS Details

inetnum:        61.48.0.0 - 61.51.255.255
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:  2025-01-22T13:07:34Z
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:          61.48.0.0/14
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 61.51.80.0/21

Range	ASN	Company	Num of IPs
61.51.64.0/18	AS4808	China Unicom Beijing province network	16,384
61.51.0.0/16	AS4808	China Unicom Beijing province network	65,536

Nearby Ranges

BGP prefixes that overlap with 61.51.0.0/16

Range	ASN	Company	Num of IPs
61.51.0.0/16	AS4808	China Unicom Beijing province network	65,536
61.51.64.0/18	AS4808	China Unicom Beijing province network	16,384
61.51.192.0/18	AS4808	China Unicom Beijing province network	16,384
61.51.0.0/18	AS4808	Beijing Jingxin Hero Telecommunication	16,384
61.51.128.0/18	AS4808	China Unicom Beijing province network	16,384
61.51.0.0/20	AS4808	Beijing Jingxin Hero Telecommunication	4,096
61.51.64.0/24	AS4808	China Unicom Beijing province network	256

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

1,081 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
61.51.80.42	AS4808 China Unicom Beijing Province Network	3.21ms from Beijing, CN
61.51.85.69	AS4808 China Unicom Beijing Province Network	3.41ms from Beijing, CN
61.51.84.20	AS4808 China Unicom Beijing Province Network	3.33ms from Beijing, CN
61.51.86.66	AS4808 China Unicom Beijing Province Network	3.51ms from Beijing, CN
61.51.87.64	AS4808 China Unicom Beijing Province Network	3.55ms from Beijing, CN
61.51.81.134	AS4808 China Unicom Beijing Province Network	3.54ms 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
70.33.176.149	AS29838 Atlantic Metro Communications II, Inc.	0.47ms from Ashburn, US
175.12.92.229	AS151823 China Telecom	1.30ms from Changsha, CN
61.188.203.101	AS4134 CHINANET-BACKBONE	7.66ms from Chengdu, CN
182.146.161.229	AS4134 CHINANET-BACKBONE	6.24ms from Chengdu, CN
93.216.63.21	AS3320 Deutsche Telekom AG	4.41ms from Frankfurt am Main, DE
213.178.80.117	AS13101 TNG Stadtnetz GmbH	0.17ms from Hamburg, DE
221.127.215.165	AS9304 HGC Global Communications Limited	1.50ms from Hong Kong, HK
153.94.72.149	AS25019 Saudi Telecom Company JSC	2.82ms from Jeddah, SA
3.11.119.5	AS16509 Amazon.com, Inc.	0.17ms from London, GB
47.153.104.229	AS5650 Frontier Communications of America, Inc.	3.60ms from Los Angeles, US
66.191.114.197	AS20115 Charter Communications LLC	11.38ms from Minneapolis, US
85.175.159.149	AS12389 PJSC Rostelecom	1.01ms from Moscow, RU
218.204.41.85	AS9808 China Mobile Communications Group Co., Ltd.	5.20ms from Nanning, CN
191.54.61.197	AS53006 ALGAR TELECOM S/A	4.77ms from Osasco, BR
51.13.168.21	AS8075 Microsoft Corporation	1.84ms from Oslo, NO
18.245.182.213	AS16509 Amazon.com, Inc.	0.24ms from Paris, FR
87.88.226.197	AS5410 Bouygues Telecom SA	12.14ms from Paris, FR
67.189.90.197	AS7922 Comcast Cable Communications, LLC	5.86ms from Portland, US
177.45.104.37	AS19182 TELEFÔNICA BRASIL S.A	3.57ms from Sao Paulo, BR
1.97.190.165	AS4766 Korea Telecom	1.23ms from Seoul, KR
45.9.228.101	AS209033 CityNet LTD	0.37ms from Tashkent, UZ
24.250.179.5	AS22773 Cox Communications Inc.	11.50ms from Atlanta, US
125.238.247.213	AS4771 Spark New Zealand Trading Ltd.	14.31ms from Auckland, NZ
188.151.158.21	AS1257 Tele2 Sverige AB	2.48ms from Copenhagen, DK
93.218.176.21	AS3320 Deutsche Telekom AG	3.94ms 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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