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Data as of Nov 9, 2026

42.247.30.0/24

No anonymizer space · no proxy exits in 30 days

China Education and Research Network Center · space held by China Education and Research Network

Announcement
this exact prefix
RPKI valid
Announced by
AS4538
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Sep 18, 2026
from AS4538 China Education and Research Network Center

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
42.247.0.0/19AS4538Business19China Education and Research Network
42.246.0.0/15
since Oct 2016
AS4538Business144
1 always on
China Education and Research Network

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
42.244.0.0/14262,144NJR-CERNETChina Education and Research NetworkALLOCATED PORTABLE—abuse@cernet.edu.cn
└ 42.247.30.0/24256DKHCDNDNSSY-CNShenyang, Liaoning 110004, ChinaALLOCATED NON-PORTABLE—abuse@cernet.edu.cn

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
China Education and Research Network
Range
42.244.0.0/14
Registration type
ALLOCATED PORTABLE
Reallocated to
Shenyang, Liaoning 110004, China
Reallocated range
42.247.30.0/24
Reallocation type
ALLOCATED NON-PORTABLE
Origin network

AS4538

CN
Name
China Education and Research Network Center
Type
Education
Registered
Aug 1, 2002
Domain
cernet.edu.cn
Website
www.edu.cn
Industry
Colleges, Universities, and Professional Schools
Spamhaus ASN-DROP
not listed