211.80.0.0/13

AS4538  ·  China Education and Research Network Center

Need more data or want to access it via API or data downloads? Sign up to get free access

Sign up for free ›

Summary

Country China
Domain cernet.edu.cn
ASN AS4538
Registry APNIC
ID CERNET-CN

WHOIS Details

inetnum:        211.81.0.0 - 211.82.255.255
netname:        CERNET-CN
descr:          China Education and Research Network
descr:          Beijing Regional Network
country:        CN
admin-c:        JW1-CN
tech-c:         XL1-CN
tech-c:         SZ2-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-10-20T00:56:14Z
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:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
remarks:        timezone GMT+8
remarks:        http://www.ccert.edu.cn
remarks:        [email protected] was validated on 2025-08-15
mnt-by:         MAINT-CERNET-AP
last-modified:  2025-11-18T00:26:28Z
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:         [email protected]
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
remarks:        Generated from irt object IRT-CERNET-AP
remarks:        [email protected] was validated on 2025-08-15
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-15T09:38:28Z
source:         APNIC

person:         Jianping Wu
address:        China Education and Research Network Center
address:        Room 225, Main Building, Tsinghua University
address:        Beijing 100084
address:        CN
country:        CN
phone:          +86-10-6278-5983
fax-no:         +86-10-6278-5933
e-mail:         [email protected]
nic-hdl:        JW1-CN
mnt-by:         MAINT-CERNET-AP
last-modified:  2011-12-22T05:14:25Z
source:         APNIC

person:         Shuang Zhu
address:        China Education and Research Network Information Center
address:        Room 225, Main Building, Tsinghua University
address:        Beijing 100084, China
country:        CN
phone:          +86-10-6278-5931
fax-no:         +86-10-6278-5933
e-mail:         [email protected]
nic-hdl:        SZ2-AP
mnt-by:         MAINT-CERNET-AP
last-modified:  2011-12-22T05:14:36Z
source:         APNIC

person:         Xing Li
address:        China Education and Research Network Center
address:        Room 225, Main Building, Tsinghua University
address:        Beijing 100084
address:        CN
country:        CN
phone:          +86-10-6278-5983
fax-no:         +86-10-6278-5933
e-mail:         [email protected]
nic-hdl:        XL1-CN
mnt-by:         MAINT-CERNET-AP
last-modified:  2011-12-22T05:14:25Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 211.0.0.0/8

Range ASN Company Num of IPs
211.216.0.0/13 AS152214 Korea Telecom 524,288
211.216.0.0/13 AS17859 Korea Telecom 524,288
211.216.0.0/13 AS4961 Korea Telecom 524,288
211.216.0.0/13 AS4766 Korea Telecom 524,288
211.216.0.0/13 AS38089 Korea Telecom 524,288
211.216.0.0/13 AS9318 Korea Telecom 524,288
211.136.0.0/13 AS9808 China Mobile Communications Corporation 524,288
211.136.0.0/13 AS56046 China Mobile Communications Corporation 524,288
211.208.0.0/14 AS9318 SK Broadband Co Ltd 262,144
211.212.0.0/14 AS9318 SK Broadband Co Ltd 262,144
211.28.0.0/14 AS4804 OPTUS INTERNET - RETAIL 262,144
211.249.0.0/16 AS9457 DREAMLINE CO. 65,536
211.21.0.0/16 AS3462 Data Communication Business Group, 65,536
211.98.0.0/16 AS9394 China TieTong Telecommunications Corporation 65,536
211.51.0.0/16 AS9852 Korea Telecom 65,536
211.40.0.0/16 AS3786 LG DACOM Corporation 65,536
211.32.0.0/16 AS3786 LG DACOM Corporation 65,536
211.50.0.0/16 AS3786 LG DACOM Corporation 65,536
211.166.0.0/16 AS9389 No.4, Zhongguancun No.4 South Street, 65,536
211.60.0.0/16 AS3786 LG DACOM Corporation 65,536
211.23.0.0/16 AS3462 Data Communication Business Group, 65,536
211.32.0.0/16 AS9699 LG DACOM Corporation 65,536
211.151.0.0/16 AS9802 21ViaNet(China),Inc. 65,536
211.170.0.0/16 AS3786 DACOM Corp. 65,536
211.182.0.0/16 AS9706 BUSAN EDUCATION RESEARCH & INFORMATION INSTITUTE 65,536
211.22.0.0/16 AS3462 Data Communication Business Group, 65,536
211.26.0.0/16 AS9443 Vocus Australia 65,536
211.48.0.0/16 AS9868 Korea Telecom 65,536
211.32.0.0/16 AS9967 LG DACOM Corporation 65,536
211.183.0.0/16 AS17878 DREAMLINE CO. 65,536
211.183.0.0/16 AS9457 DREAMLINE CO. 65,536
211.175.0.0/16 AS9457 DREAMLINE CO. 65,536
211.183.0.0/16 AS17875 DREAMLINE CO. 65,536
211.53.0.0/16 AS3786 LG DACOM Corporation 65,536
211.20.0.0/16 AS3462 Data Communication Business Group, 65,536
211.27.0.0/16 AS9443 Vocus Australia 65,536
211.169.0.0/16 AS3786 DACOM Corp. 65,536
211.151.0.0/16 AS9802 21ViaNet(China),Inc. 65,536
211.51.0.0/16 AS18314 Korea Telecom 65,536
211.53.0.0/16 AS18294 LG DACOM Corporation 65,536
211.48.0.0/16 AS17615 Korea Telecom 65,536
211.146.0.0/16 AS4847 China Network Information Center 65,536
211.169.0.0/16 AS9526 DACOM Corp. 65,536
211.158.0.0/16 AS4837 CHONGQING CNC BROADBAND NETWORKS CO.,LTD 65,536
211.171.0.0/16 AS3786 DACOM Corp. 65,536
211.89.0.0/16 AS7641 China Cable Television Network Co. 65,536
211.124.0.0/16 AS9617 JCOM Co., Ltd. 65,536
211.18.0.0/16 AS2516 KDDI CORPORATION 65,536
211.151.0.0/16 AS23724 21ViaNet(China),Inc. 65,536
211.146.0.0/16 AS7641 China Network Information Center 65,536

Hosted domains

There are 73 domain names hosted across 66 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
211.82.204.107 chinatju.org.cn 5
211.84.24.24 haou.edu.cn 2
211.80.5.89 toofunedu.com 1
211.87.209.16 pass-sdu-edu.cn 1
211.83.207.3 mob6.cc 1
211.81.208.6 hebeinu.edu.cn 1
211.87.227.210 mcsun.com.cn 1
211.86.56.8 sduzszx.com 1
211.82.32.36 sxftc.edu.cn 1
211.80.224.16 fj51e.cn 1
211.86.210.41 tldl.cn 1
211.87.232.123 uudark.com 1
211.80.243.44 wuyiu.edu.cn 1
211.83.206.191 chinalyj.com 1
211.86.9.1 designyoung.com 1
211.84.240.9 kfu.edu.cn 1
211.83.106.245 amoe.app 1
211.83.244.26 nottwy.com 1
211.80.224.10 fjyjs.cn 1
211.84.70.16 xn--95q611j.top 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

Pingable IPs

9,662 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
211.82.207.56 AS4538 China Education and Research Network Center 18.30ms from Beijing, CN
211.82.255.217 AS4538 China Education and Research Network Center 13.00ms from Beijing, CN
211.84.71.10 AS4538 China Education and Research Network Center 20.23ms from Beijing, CN
211.82.49.14 AS4538 China Education and Research Network Center 15.63ms from Beijing, CN
211.82.94.203 AS4538 China Education and Research Network Center 3.51ms from Beijing, CN
211.83.6.199 AS4538 China Education and Research Network Center 11.45ms from Chengdu, CN
211.85.192.1 AS4538 China Education and Research Network Center 16.77ms from Guangzhou, CN
211.83.161.5 AS4538 China Education and Research Network Center 37.33ms from Hong Kong, HK
211.86.9.254 AS4538 China Education and Research Network Center 7.09ms from Qingdao, CN
211.87.151.28 AS4538 China Education and Research Network Center 1.35ms from Qingdao, CN
211.87.53.172 AS4538 China Education and Research Network Center 11.20ms from Shanghai, CN
211.86.201.36 AS4538 China Education and Research Network Center 12.91ms from Shanghai, CN
211.87.5.129 AS4538 China Education and Research Network Center 7.43ms from Shanghai, CN
211.82.56.71 AS4538 China Education and Research Network Center 12.03ms from Beijing, CN
211.82.200.141 AS4538 China Education and Research Network Center 17.85ms from Beijing, CN
211.83.10.255 AS4538 China Education and Research Network Center 11.27ms from Chengdu, CN
211.87.146.254 AS4538 China Education and Research Network Center 1.37ms from Qingdao, CN
211.86.1.14 AS4538 China Education and Research Network Center 5.79ms from Qingdao, CN
211.86.149.98 AS4538 China Education and Research Network Center 12.85ms from Shanghai, CN
211.85.186.1 AS4538 China Education and Research Network Center 8.68ms from Wuhan, CN
211.82.40.10 AS4538 China Education and Research Network Center 19.87ms from Beijing, CN
211.82.156.56 AS4538 China Education and Research Network Center 11.71ms from Beijing, CN
211.82.99.66 AS4538 China Education and Research Network Center 3.23ms from Beijing, CN
211.86.153.195 AS4538 China Education and Research Network Center 17.04ms from Nanjing, CN
211.87.241.57 AS4538 China Education and Research Network Center 13.88ms from Qingdao, 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
5.15.141.253 AS8708 DIGI ROMANIA S.A. 5.70ms from Bucharest, RO
58.245.2.109 AS4837 CHINA UNICOM China169 Backbone 2.75ms from Changchun, CN
73.44.59.13 AS7922 Comcast Cable Communications, LLC 7.29ms from Chicago, US
123.144.237.45 AS4837 CHINA UNICOM China169 Backbone 2.04ms from Chongqing, CN
76.113.44.221 AS7922 Comcast Cable Communications, LLC 9.62ms from Denver, US
193.150.243.173 AS1257 Tele2 Sverige AB 10.73ms from Goeteborg, SE
217.5.163.189 AS3320 Deutsche Telekom AG 1.36ms from Hamburg, DE
195.202.39.93 AS8881 1&1 Versatel GmbH 0.47ms from Hamburg, DE
213.110.154.77 AS47889 SUNNET LLC 0.67ms from Kyiv, UA
89.22.122.221 AS8648 dogado GmbH 0.23ms from Leipzig, DE
86.159.96.93 AS2856 British Telecommunications PLC 2.12ms from London, GB
194.207.232.221 AS12390 KCOM GROUP LIMITED 3.04ms from Manchester, GB
187.11.20.61 AS27699 TELEFÔNICA BRASIL S.A 2.00ms from Osasco, BR
82.189.29.29 AS3269 Telecom Italia S.p.A. 1.11ms from Rome, IT
175.241.33.45 AS4766 Korea Telecom 6.38ms from Seoul, KR
211.208.83.157 AS9318 SK Broadband Co Ltd 1.65ms from Seoul, KR
65.95.41.13 AS577 Bell Canada 6.40ms from Toronto, CA
49.50.215.45 AS55853 Megatel 1.45ms from Auckland, NZ
80.97.4.173 AS21294 CLOUDSYS TELECOM SRL 0.42ms from Bucharest, RO
200.61.135.13 AS18747 IFX Corporation 1.24ms from Buenos Aires, AR
18.252.80.29 AS8987 Amazon Data Services Ireland Ltd 0.81ms from Columbus, US
221.13.34.61 AS4837 CHINA UNICOM China169 Backbone 1.36ms from Guiyang, CN
211.143.122.13 AS24547 Hebei Mobile Communication Company Limited 6.66ms from Jinan, CN
14.96.89.205 AS134540 Tata Teleservices (Maharashtra) Ltd 1.84ms from Mumbai, IN
36.153.72.253 AS56046 China Mobile communications corporation 5.60ms from Nanjing, CN

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 -m21 211.87.189.64
traceroute to 211.87.189.64 (211.87.189.64): 21 hops max, 52 byte packets
2 *
3 *
4 *
5 *
6 [AS6939] 184.105.65.35 12.976 ms
7 *
8 *
9 *
10 [] 123.255.91.118 256.48 ms
11 [AS4538] 101.4.114.181 275.278 ms
12 *
13 *
14 *
15 [AS4538] 101.4.112.70 278.996 ms
16 *
17 [AS4538] 101.4.116.117 285.989 ms
18 [AS4538] 101.4.113.49 300.932 ms
19 *
20 *
21 *
Measurement taken from IPinfo ProbeNet in Amsterdam, NL
On

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.

An API built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

IPinfo for all your IP geolocation needs

Our IP tools

Explore all tools
What is my IP

What is my IP

Test our data accuracy by viewing insights from your IP address.

See your IP address
Map IPs

Map IPs

Paste up to 500,000 IPs to see where they're located on a map.

Try Map IPs
Summarize IPs

Summarize IPs

Use our data visualization tool to create a visual overview of multiple IPs.

Try Summarize IPs