211.82.8.0/21

AS4538  ·  China Education and Research Network Center

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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 Center,
address:        FIT-3-220, 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:        abuse@cernet.edu.cn was validated on 2026-03-05
mnt-by:         MAINT-CERNET-AP
last-modified:  2026-03-05T06:39:56Z
source:         APNIC

role:           ABUSE CERNETAP
country:        ZZ
address:        Network Center,
address:        FIT-3-220, 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 2026-03-05
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-05T06:40:20Z
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:         jianping@cernet.edu.cn
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:         szhu@cernet.edu.cn
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:         xing@cernet.edu.cn
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 211.82.0.0/16

No nearby ranges found.

Hosted domains

There are no domains currently hosted on this ASN.

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

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

IP Address ASN Details
211.82.9.139 AS4538 China Education and Research Network Center 15.67ms from Beijing, CN
211.82.11.239 AS4538 China Education and Research Network Center 14.48ms from Beijing, CN
211.82.12.106 AS4538 China Education and Research Network Center 16.12ms from Beijing, CN
211.82.10.7 AS4538 China Education and Research Network Center 15.54ms from Beijing, CN
211.82.8.5 AS4538 China Education and Research Network Center 14.48ms 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
109.129.148.21 AS5432 Proximus NV 1.90ms from Brussels, BE
221.5.219.117 AS4837 CHINA UNICOM China169 Backbone 0.34ms from Chongqing, CN
108.181.184.149 AS40676 Psychz Networks 0.65ms from Dallas, US
88.69.45.85 AS3209 Vodafone GmbH 5.06ms from Duesseldorf, DE
38.33.162.229 AS398478 PEG TECH INC 0.78ms from Hong Kong, HK
59.45.53.165 AS4134 CHINANET-BACKBONE 4.49ms from Liaoyang, CN
94.1.57.165 AS5607 Sky UK Limited 0.96ms from London, GB
31.23.185.213 AS12389 PJSC Rostelecom 16.51ms from Moscow, RU
79.254.126.133 AS3320 Deutsche Telekom AG 2.51ms from Nuernberg, DE
83.23.9.37 AS5617 Orange Polska Spolka Akcyjna 16.65ms from Poznan, PL
175.242.62.213 AS4766 Korea Telecom 7.54ms from Seoul, KR
159.143.76.149 AS8011 MongoDB, Inc. 0.09ms from Singapore, SG
121.3.190.213 AS2527 Sony Network Communications Inc. 1.44ms from Tokyo, JP
121.61.30.85 AS4134 CHINANET-BACKBONE 4.42ms from Wuhan, CN
202.131.100.149 AS17625 BlazeNet's Network 2.27ms from Ahmedabad, IN
100.29.25.53 AS14618 Amazon.com, Inc. 0.53ms from Ashburn, US
62.164.247.69 AS400072 THUNDERBOX INC 2.34ms from Ashburn, US
61.55.210.181 AS4837 CHINA UNICOM China169 Backbone 8.34ms from Beijing, CN
204.9.221.133 AS15038 The Cambridge Incubator, LLC 0.89ms from Boston, US
91.183.151.197 AS5432 Proximus NV 1.29ms from Brussels, BE
196.115.186.5 AS36925 MEDITELECOM 4.85ms from Casablanca, MA
74.234.35.229 AS8075 Microsoft Corporation 0.52ms from Dublin, IE
201.73.250.53 AS4230 CLARO S.A. 10.97ms from Fortaleza, BR
62.224.4.117 AS3320 Deutsche Telekom AG 6.17ms from Frankfurt am Main, DE
41.30.182.69 AS29975 Vodacom 13.11ms from Johannesburg, ZA

Traceroute

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

$
traceroute -a -n -q1 -f4 -m18 211.82.15.54
traceroute to 211.82.15.54 (211.82.15.54): 18 hops max, 52 byte packets
4 [] 15.230.139.162 223.426 ms
5 [] 15.230.139.2 0.246 ms
6 *
7 *
8 *
9 [AS16509] 99.83.91.180 52.725 ms
10 [AS16509] 99.83.91.181 35.325 ms
11 [AS58453] 223.120.6.77 35.29 ms
12 [AS58453] 223.120.12.45 100.612 ms
13 *
14 [] 123.255.91.118 237.848 ms
15 [AS4538] 101.4.114.181 254.422 ms
16 *
17 *
18 *
Measurement taken from IPinfo ProbeNet in Houston, US
On

What are IP address ranges?

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