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IPV4

210.45.141.0/24

Record found
Retrieved · 24 Sep 2026, 17:20 UTC1 sourceView JSON
Click a domain or IP to look it up.
01

Registry record

RDAPhttps://rdap.apnic.net/ip/210.45.141.0/24
Record found
Network name
CERNET-CN
Address range
210.40.0.0210.47.255.255
CIDR blocks
210.40.0.0/13
Network type
ALLOCATED PORTABLE
Country in registry
CN
Registered
2008-09-04T06:51:20Z
Last changed
2020-10-20T00:56:43Z
Status
active
Notices & terms 5

Source

Objects returned came from source APNIC

Terms and Conditions

This is the APNIC WHOIS Database query service. The objects are in RDAP format. http://www.apnic.net/db/dbcopyright.html

Whois Inaccuracy Reporting

If you see inaccuracies in the results, please visit: https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form

description

China Education and Research Network China Education and Research Network Center Tsinghua University Beijing, 100084

Organizations & contacts

4
Administrative
Jianping Wu
JW1-CN
Type
individual
Address
China Education and Research Network Center Room 225, Main Building, Tsinghua University Beijing 100084 CN
Phone (voice)
+86-10-6278-5983
Fax
+86-10-6278-5933
Email
jianping@cernet.edu.cn

Registry · rdap.apnic.net

Technical
Ling Zhang
LZ1-CN
Type
individual
Address
Network Center South China University of Technology Guangzhou, Guangdong 510641, China CN
Phone (voice)
+86-20-87110596
Fax
+86-20-87110019
Email
ling@scut.edu.cn

Registry · rdap.apnic.net

Technical
Xing Li
XL1-CN
Type
individual
Address
China Education and Research Network Center Room 225, Main Building, Tsinghua University Beijing 100084 CN
Phone (voice)
+86-10-6278-5983
Fax
+86-10-6278-5933
Email
xing@cernet.edu.cn

Registry · rdap.apnic.net

Abuse
IRT-CERNET-AP
Type
group
Address
Network Center, FIT-3-220, Tsinghua Univ Beijing 100084, China
Phone (voice)
+86-10-62784301
Fax
+86-10-62785933
Email
abuse@cernet.edu.cn
remarks
timezone GMT+8 abuse@cernet.edu.cn was validated on 2026-09-10

Registry · rdap.apnic.net

Route / route6 records IRR

whois.apnic.net:43

BGP observations →

Exact and covering objects from APNIC. These are registered routing policies; they do not confirm a live announcement.

Origin
AS4538
Source
APNIC

CERNET

Routing object details
route: 210.40.0.0/13
descr: CERNET
origin: AS4538
mnt-by: MAINT-CERNET-AP
last-modified: 2026-06-17T08:11:56Z
source: APNIC
Registry · RDAP Original response
https://rdap.apnic.net/ip/210.45.141.0/24
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                }
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        },
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    "type": "ALLOCATED PORTABLE",
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    "objectClassName": "ip network",
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    ],
    "port43": "whois.apnic.net"
}