202.196.68.0/22

AS4538 · China Education and Research Network Center

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Summary

Country	China
Domain	cernet.edu.cn
ASN	AS4538
Parent Range	202.196.0.0/15
Registry	APNIC
ID	CERNET-CN

WHOIS Details

inetnum:        202.192.0.0 - 202.199.255.255
netname:        CERNET-CN
descr:          China Education and Research Network
descr:          SY Region
descr:          China Education and Research Network Center
descr:          Tsinghua University
descr:          Beijing, 100084
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        service provider
remarks:        hostmaster@apnic.net 960130
mnt-by:         APNIC-HM
mnt-irt:        IRT-CERNET-AP
last-modified:  2021-10-30T08:29:34Z
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
source:         APNIC

irt:            IRT-CERNET-AP
address:        Network Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
fax-no:         +86-10-62785933
e-mail:         abuse@cernet.edu.cn
abuse-mailbox:  abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
remarks:        timezone GMT+8
remarks:        http://www.ccert.edu.cn
remarks:        abuse@cernet.edu.cn was validated on 2025-01-22
mnt-by:         MAINT-CERNET-AP
last-modified:  2025-01-22T13:47:43Z
source:         APNIC

role:           ABUSE CERNETAP
country:        ZZ
address:        Network Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
e-mail:         abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
remarks:        Generated from irt object IRT-CERNET-AP
remarks:        abuse@cernet.edu.cn was validated on 2025-01-22
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-01-22T16:25:45Z
source:         APNIC

role:           CERNET Helpdesk
address:        CERNET Center
address:        Beijing 100084, China
country:        CN
phone:          +86-10-6278-4049
fax-no:         +86-10-6278-5933
e-mail:         helpdesk@cernet.edu.cn
remarks:        abuse@cernet.edu.cn
admin-c:        XL1-CN
tech-c:         SZ2-AP
nic-hdl:        CER-AP
mnt-by:         MAINT-CERNET-AP
last-modified:  2020-09-03T09:14:12Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 202.196.68.0/22

Range	ASN	Company	Num of IPs
202.196.0.0/15	AS4538	China Education and Research Network	131,072
202.192.0.0/13	AS4538	China Education and Research Network	524,288
202.192.0.0/12	AS4538	China Education and Research Network	1,048,576

Nearby Ranges

BGP prefixes that overlap with 202.196.0.0/16

Range	ASN	Company	Num of IPs
202.192.0.0/12	AS4538	China Education and Research Network	1,048,576
202.192.0.0/13	AS4538	China Education and Research Network	524,288
202.196.0.0/15	AS4538	China Education and Research Network	131,072
202.196.176.0/20	AS4538	China Education and Research Network	4,096
202.196.16.0/20	AS4538	China Education and Research Network	4,096
202.196.112.0/20	AS4538	China Education and Research Network	4,096
202.196.96.0/20	AS4538	China Education and Research Network	4,096
202.196.160.0/20	AS4538	China Education and Research Network	4,096
202.196.144.0/20	AS4538	China Education and Research Network	4,096
202.196.208.0/20	AS4538	China Education and Research Network	4,096
202.196.128.0/20	AS4538	China Education and Research Network	4,096
202.196.0.0/20	AS4538	China Education and Research Network	4,096
202.196.192.0/20	AS4538	China Education and Research Network	4,096
202.196.240.0/20	AS4538	Anyang Teachers College	4,096
202.196.32.0/20	AS4538	China Education and Research Network	4,096
202.196.80.0/20	AS4538	China Education and Research Network	4,096
202.196.224.0/20	AS4538	China Education and Research Network	4,096
202.196.72.0/21	AS4538	China Education and Research Network	2,048
202.196.66.0/23	AS4538	China Education and Research Network	512
202.196.65.0/24	AS4538	China Education and Research Network	256
202.196.244.0/24	AS4538	Anyang Teachers College	256
202.196.64.0/24	AS4538	China Education and Research Network	256
202.196.13.0/24	AS4538	China Education and Research Network	256
202.196.0.0/24	AS4538	China Education and Research Network	256
202.196.50.0/24	AS4538	China Education and Research Network	256
202.196.219.0/24	AS4538	China Education and Research Network	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
174.104.190.150	AS10796 Charter Communications Inc	16.31ms from Ashburn, US
4.157.164.118	AS8075 Microsoft Corporation	0.37ms from Ashburn, US
162.192.110.54	AS7018 AT&T Enterprises, LLC	18.15ms from Atlanta, US
31.22.174.86	AS42863 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.	10.31ms from Braga, PT
105.244.162.182	AS36994 Vodacom	1.48ms from Johannesburg, ZA
194.190.149.230	AS49505 JSC Selectel	1.07ms from Saint Petersburg, RU
70.66.37.150	AS6327 Shaw Communications Inc.	6.61ms from Seattle, US
116.236.181.230	AS4812 China Telecom (Group)	2.64ms from Shanghai, CN
111.81.159.22	AS17421 Mobile Business Group	10.23ms from Taichung, TW
36.224.196.102	AS3462 Data Communication Business Group	0.99ms from Taipei, TW
194.26.141.182	AS62005 BlueVPS OU	0.15ms from Tallinn, EE
102.29.170.22	AS327934 SOCIETE NATIONALE DES TELECOMMUNICATIONS (Tunisie Telecom)	17.71ms from Tunis, TN
161.8.172.22	AS7029 Windstream Communications LLC	0.60ms from Ashburn, US
82.117.198.6	AS31042 Serbia BroadBand-Srpske Kablovske mreze d.o.o.	0.43ms from Belgrade, RS
72.240.7.134	AS13490 Buckeye Cablevision, Inc.	2.43ms from Detroit, US
154.203.19.182	AS146993 DEEP BRIGHT LIMITED	0.91ms from Hong Kong, HK
71.36.189.102	AS209 CenturyLink Communications, LLC	1.85ms from Phoenix, US
189.154.209.246	AS8151 UNINET	14.92ms from Phoenix, US
23.221.41.198	AS20940 Akamai International B.V.	0.60ms from San Jose, US
88.220.106.54	AS20804 Exatel S.A.	0.64ms from Warsaw, PL
218.197.142.86	AS4538 China Education and Research Network Center	1.24ms from Wuhan, CN
188.221.0.54	AS5607 Sky UK Limited	1.42ms from London, GB
58.35.225.230	AS4812 China Telecom (Group)	4.49ms from Shanghai, CN
221.205.80.22	AS4837 CHINA UNICOM China169 Backbone	2.95ms from Taiyuan, CN
87.72.14.150	AS15516 DKTV A/S	0.57ms from Copenhagen, DK

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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