210.42.48.0/20

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:        210.40.0.0 - 210.47.255.255
netname:        CERNET-CN
descr:          China Education and Research Network
descr:          China Education and Research Network Center
descr:          Tsinghua University
descr:          Beijing, 100084
country:        CN
admin-c:        JW1-CN
tech-c:         XL1-CN
tech-c:         LZ1-CN
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        NS2.NET.EDU.CN
remarks:        DNS.EDU.CN
remarks:        CDNET52.CDNET.EDU.CN
remarks:        CDNET61.CDNET.EDU.CN
remarks:        DNS.WHNET.EDU.CN
remarks:        DNS.XANET.EDU.CN
remarks:        MARS.SHNET.EDU.CN
remarks:        MAVERICK.SYNET.EDU.CN
remarks:        NS1.NJNET.EDU.CN
remarks:        NS2.NJNET.EDU.CN
remarks:        ORANGE.GZNET.EDU.CN
remarks:        PINEAPPLE.GZNET.EDU.CN
remarks:        SAINT.SYNET.EDU.CN
remarks:        SUN200.WHNET.EDU.CN
remarks:        VENUS.SHNET.EDU.CN
remarks:        XANOC.XANET.EDU.CN
remarks:        service provider
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-10-20T00:56:43Z
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:         Ling Zhang
address:        Network Center
address:        South China University of Technology
address:        Guangzhou, Guangdong 510641, China
address:        CN
country:        CN
phone:          +86-20-87110596
fax-no:         +86-20-87110019
e-mail:         ling@scut.edu.cn
nic-hdl:        LZ1-CN
notify:         dbmon@apnic.net
mnt-by:         MAINT-NULL
last-modified:  2011-12-22T05:14:25Z
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 210.42.0.0/16

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

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
98.239.234.4 AS7922 Comcast Cable Communications, LLC 13.88ms from Ashburn, US
59.92.59.20 AS9829 National Internet Backbone 2.20ms from Chennai, IN
104.130.78.68 AS19994 Rackspace Hosting 0.47ms from Chicago, US
75.27.37.36 AS7018 AT&T Enterprises, LLC 18.24ms from Chicago, US
18.252.20.100 AS8987 Amazon Data Services Ireland Ltd 0.85ms from Columbus, US
54.220.127.84 AS16509 Amazon.com, Inc. 0.39ms from Dublin, IE
54.155.165.196 AS16509 Amazon.com, Inc. 0.41ms from Dublin, IE
193.159.223.180 AS3320 Deutsche Telekom AG 0.69ms from Frankfurt am Main, DE
121.196.164.4 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 4.32ms from Hangzhou, CN
43.162.246.84 AS132203 Tencent Building, Kejizhongyi Avenue 0.39ms from Hong Kong, HK
119.71.71.244 AS17858 LG POWERCOMM 1.55ms from Incheon, KR
148.71.74.212 AS12353 Vodafone Portugal 3.08ms from Lisbon, PT
80.38.205.52 AS3352 TELEFONICA DE ESPANA S.A.U. 1.76ms from Madrid, ES
144.132.196.148 AS1221 Telstra Limited 6.62ms from Melbourne, AU
58.188.120.164 AS17511 OPTAGE Inc. 6.06ms from Osaka, JP
179.144.161.116 AS26599 TELEFÔNICA BRASIL S.A 9.28ms from Rio de Janeiro, BR
64.87.26.68 AS11320 LightEdge Solutions 0.54ms from San Diego, US
54.180.54.212 AS16509 Amazon.com, Inc. 0.37ms from Seoul, KR
24.137.33.116 AS33541 Cable Cable Inc 14.88ms from Toronto, CA
178.192.167.68 AS3303 Swisscom (Switzerland) Ltd 1.91ms from Zuerich, CH
98.7.133.212 AS40294 Charter Communications LLC 4.67ms from Atlanta, US
197.50.7.36 AS8452 TE-AS 4.83ms from Cairo, EG
72.255.113.20 AS30036 Mediacom Communications Corp 7.61ms from Chicago, US
200.193.150.132 AS8167 V tal 1.79ms from Curitiba, BR
82.97.162.4 AS13101 TNG Stadtnetz GmbH 1.81ms from Hamburg, DE

Traceroute

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

$
traceroute -a -n -q1 -f5 -m20 210.42.54.195
traceroute to 210.42.54.195 (210.42.54.195): 20 hops max, 52 byte packets
5 [AS3491] 63.222.89.45 1.691 ms
6 *
7 [AS3491] 63.220.193.209 204.466 ms
8 *
9 *
10 *
11 [AS4538] 101.4.114.181 245.999 ms
12 *
13 *
14 [AS4538] 101.4.112.66 256.673 ms
15 [AS4538] 101.4.118.214 260.239 ms
16 *
17 [AS4538] 202.112.20.17 257.825 ms
18 *
19 *
20 *
Measurement taken from IPinfo ProbeNet in Santiago de Queretaro, MX
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.

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