42.244.0.0/18

AS4538  ·  China Education and Research Network Center

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Summary

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

WHOIS Details

inetnum:        42.244.0.0 - 42.247.255.255
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:  2020-09-03T09:16:28Z
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

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:         [email protected]
remarks:        [email protected]
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:          42.244.0.0/16
descr:          CERNET
origin:         AS4538
mnt-by:         MAINT-CERNET-AP
last-modified:  2017-03-14T04:00:07Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 42.244.0.0/16

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

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

IP Address ASN Details
42.244.8.211 AS4538 China Education and Research Network Center 10.07ms from Shanghai, CN
42.244.43.138 AS4538 China Education and Research Network Center 10.18ms from Shanghai, CN
42.244.7.57 AS4538 China Education and Research Network Center 12.71ms 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
160.79.46.194 AS399268 Coosa Valley Technologies Inc 5.33ms from Atlanta, US
76.17.44.82 AS7922 Comcast Cable Communications, LLC 4.89ms from Atlanta, US
123.136.130.130 AS45528 Tikona Infinet Ltd. 2.24ms from Delhi, IN
195.72.110.2 AS50595 Hochschule RheinMain 1.27ms from Frankfurt am Main, DE
103.204.5.2 AS55720 Gigabit Hosting Sdn Bhd 0.26ms from Kuala Lumpur, MY
72.199.49.114 AS22773 Cox Communications Inc. 7.01ms from Los Angeles, US
64.125.117.98 AS6461 Zayo Bandwidth 0.25ms from Los Angeles, US
34.49.145.146 AS396982 Google LLC 0.07ms from Melbourne, AU
207.108.87.2 AS209 CenturyLink Communications, LLC 1.58ms from Minneapolis, US
91.10.202.146 AS3320 Deutsche Telekom AG 4.34ms from Nuernberg, DE
88.188.70.178 AS12322 Free SAS 4.97ms from Paris, FR
81.250.99.34 AS3215 Orange S.A. 10.25ms from Paris, FR
73.162.235.114 AS7922 Comcast Cable Communications, LLC 6.42ms from San Jose, US
198.46.158.2 AS36352 HostPapa 0.28ms from Santa Clara, US
47.6.201.50 AS20115 Charter Communications LLC 10.46ms from Seattle, US
118.38.125.18 AS4766 Korea Telecom 7.52ms from Seoul, KR
91.118.54.146 AS8412 T-Mobile Austria GmbH 1.09ms from Vienna, AT
120.202.194.18 AS9808 China Mobile Communications Group Co., Ltd. 6.11ms from Wuhan, CN
169.62.43.130 AS36351 IBM Cloud 0.45ms from Ashburn, US
164.191.90.34 AS668 United States Department of Defense (DoD) 0.60ms from Atlanta, US
162.239.6.242 AS7018 AT&T Enterprises, LLC 1.65ms from Atlanta, US
103.9.42.50 AS136463 WheroNet Limited 0.17ms from Auckland, NZ
101.39.35.194 AS4847 China Networks Inter-Exchange 6.27ms from Beijing, CN
20.69.224.226 AS8075 Microsoft Corporation 0.31ms from Boydton, US
41.165.96.2 AS36937 Liquid Telecommunications South Africa (Pty) Ltd 15.34ms from Cape Town, ZA

Traceroute

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

$
traceroute -a -n -q1 -f3 -m20 42.244.1.176
traceroute to 42.244.1.176 (42.244.1.176): 20 hops max, 52 byte packets
3 [AS749] 11.95.17.121 1.283 ms
4 *
5 *
8 [AS4538] 101.4.113.50 6.528 ms
9 [AS4538] 101.4.117.29 24.419 ms
10 *
11 [AS4538] 101.4.112.41 32.066 ms
12 [AS4538] 101.4.116.97 30.929 ms
13 *
14 *
15 *
16 [AS4538] 219.219.147.66 35.931 ms
17 [AS4538] 219.219.147.174 47.503 ms
18 *
19 *
20 *
Measurement taken from IPinfo ProbeNet in Qingdao, CN
On

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