101.76.0.0/20

AS4538  ·  China Education and Research Network Center

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Summary

Country China
Domain cernet.edu.cn
ASN AS4538
Parent Range 101.76.0.0/15
Registry APNIC
ID NJR-CERNET

WHOIS Details

inetnum:        101.76.0.0 - 101.77.255.255
netname:        NJR-CERNET
descr:          China Education and Research Network
descr:          Nanjing Regional Network
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        origin AS4538
remarks:        confederation
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:24Z
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 2025-08-15
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:         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 2025-08-15
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-15T09:38:28Z
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

route:          101.76.0.0/15
descr:          CERNET
origin:         AS4538
mnt-by:         MAINT-CERNET-AP
last-modified:  2010-12-13T06:08:02Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 101.76.0.0/20

Range ASN Company Num of IPs
101.76.0.0/15 AS4538 China Education and Research Network 131,072

Nearby Ranges

BGP prefixes that overlap with 101.76.0.0/16

Range ASN Company Num of IPs
101.76.0.0/15 AS4538 China Education and Research Network 131,072

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

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

IP Address ASN Details
101.76.6.1 AS4538 China Education and Research Network Center 10.52ms from Shanghai, CN
101.76.1.129 AS4538 China Education and Research Network Center 13.95ms from Shanghai, CN
101.76.0.9 AS4538 China Education and Research Network Center 10.34ms from Shanghai, CN
101.76.14.129 AS4538 China Education and Research Network Center 14.27ms from Shanghai, CN
101.76.8.129 AS4538 China Education and Research Network Center 14.06ms from Shanghai, CN
101.76.11.129 AS4538 China Education and Research Network Center 14.31ms from Shanghai, CN
101.76.10.2 AS4538 China Education and Research Network Center 10.22ms from Shanghai, CN
101.76.3.23 AS4538 China Education and Research Network Center 10.89ms from Shanghai, CN
101.76.12.1 AS4538 China Education and Research Network Center 14.94ms from Shanghai, CN
101.76.15.150 AS4538 China Education and Research Network Center 15.22ms from Shanghai, CN
101.76.2.129 AS4538 China Education and Research Network Center 10.42ms from Shanghai, CN
101.76.5.1 AS4538 China Education and Research Network Center 11.20ms from Shanghai, CN
101.76.9.129 AS4538 China Education and Research Network Center 14.13ms from Shanghai, CN
101.76.4.129 AS4538 China Education and Research Network Center 10.87ms from Shanghai, CN
101.76.7.129 AS4538 China Education and Research Network Center 10.45ms from Shanghai, CN
101.76.13.1 AS4538 China Education and Research Network Center 17.17ms from Shanghai, 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
205.139.120.68 AS3561 CenturyLink Communications, LLC 0.69ms from Ashburn, US
52.123.13.84 AS8075 Microsoft Corporation 0.24ms from Boydton, US
216.27.240.4 AS22343 Vonage Business Inc. 1.33ms from Dallas, US
35.156.130.116 AS16509 Amazon.com, Inc. 0.17ms from Frankfurt am Main, DE
115.239.25.228 AS4134 CHINANET-BACKBONE 7.70ms from Hangzhou, CN
183.80.63.36 AS18403 FPT Telecom Company 9.25ms from Hanoi, VN
71.138.90.228 AS7018 AT&T Enterprises, LLC 4.72ms from Houston, US
109.51.119.228 AS2860 NOS COMUNICACOES, S.A. 2.16ms from Lisbon, PT
165.120.174.68 AS2856 British Telecommunications PLC 4.29ms from London, GB
147.227.8.100 AS668 United States Department of Defense (DoD) 1.77ms from Los Angeles, US
185.153.225.4 AS202813 LIBERATEL COMUNICACIONES, S.L. 9.22ms from Madrid, ES
157.175.147.228 AS16509 Amazon.com, Inc. 0.12ms from Manama, BH
85.93.44.100 AS12389 PJSC Rostelecom 15.47ms from Moscow, RU
89.23.39.36 AS43404 Fastnet LLC 0.69ms from Moscow, RU
94.25.128.100 AS47395 PJSC MegaFon 4.54ms from Moscow, RU
128.91.125.148 AS55 University of Pennsylvania 3.45ms from New York City, US
220.219.154.244 AS9997 Suzuka Cable Co.,Ltd 5.27ms from Osaka, JP
86.239.62.20 AS3215 Orange S.A. 8.94ms from Paris, FR
177.221.73.196 AS28201 Companhia Itabirana Telecomunicações Ltda 7.25ms from Rio de Janeiro, BR
125.246.139.132 AS9316 DACOM-PUBNETPLUS 1.71ms from Seoul, KR
61.173.162.196 AS4812 China Telecom (Group) 3.01ms from Shanghai, CN
121.16.147.228 AS4837 CHINA UNICOM China169 Backbone 7.75ms from Tianjin, CN
213.139.51.4 AS8697 Jordan Telecommunications PSC 1.50ms from Amman, JO
167.88.145.212 AS23352 DEFT.COM 0.33ms from Chicago, US
52.116.203.196 AS36351 IBM Cloud 1.00ms from Dallas, US

Traceroute

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

$
traceroute -a -n -q1 -f3 101.76.5.129
traceroute to 101.76.5.129 (101.76.5.129): 64 hops max, 52 byte packets
4 [AS1299] 62.115.138.48 4.469 ms
5 [AS1299] 62.115.124.72 10.869 ms
6 [AS1299] 62.115.124.122 188.105 ms
7 *
8 [AS1299] 80.239.130.173 198.273 ms
9 *
10 *
11 *
12 [AS4538] 101.4.112.66 239.808 ms
13 [AS4538] 101.4.118.214 253.598 ms
14 [AS4538] 101.4.112.62 247.064 ms
15 *
16 [AS4538] 101.4.117.26 258.488 ms
17 [AS4538] 101.4.118.105 255.243 ms
18 [AS4538] 101.4.116.97 262.013 ms
19 [AS4538] 219.219.156.37 263.882 ms
20 *
21 *
22 [AS4538] 219.219.148.158 345.28 ms
23 [AS4538] 219.219.147.246 321.323 ms
24 *
25 [AS4538] 101.76.5.129 269.887 ms
Measurement taken from IPinfo ProbeNet in Zuerich, CH
On

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