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Data as of Nov 4, 2026

202.202.0.0/15

No anonymizer space

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

Announcement
202.200.0.0/14
No RPKI
Announced by
AS4538
Type
Business
Recent change
New origin Jun 2026
its first announcement on record

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsRPKI
202.200.0.0/13
since May 2014
AS4538Business479
3 always on
202.192.0.0/12
since May 2005
AS4538Business815
10 always on
Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

Arrived
PrefixOriginTypeHolderRPKI
202.202.0.0/16
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.202.0.0/20AS4538BusinessChina Education and Research Network
202.202.16.0/21AS4538BusinessChina Education and Research Network
202.202.23.0/24AS4538BusinessChina Education and Research Network
202.202.24.0/21AS4538BusinessChina Education and Research Network
202.202.32.0/20AS4538BusinessChina Education and Research Network
202.202.64.0/20AS4538BusinessChina Education and Research Network
202.202.80.0/20AS4538BusinessChina Education and Research Network
202.202.80.0/24AS4538BusinessChina Education and Research Network
202.202.96.0/20AS4538BusinessChina Education and Research Network
202.202.112.0/20AS4538BusinessChina Education and Research Network
202.202.128.0/20
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.202.128.0/24
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.202.130.0/24
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.202.144.0/20AS4538BusinessChina Education and Research Network
202.202.160.0/20AS4538BusinessChina Education and Research Network
202.202.176.0/20AS4538BusinessChina Education and Research Network
202.202.192.0/21AS4538BusinessChina Education and Research Network
202.202.200.0/21AS4538BusinessChina Education and Research Network
202.202.208.0/21AS4538BusinessChina Education and Research Network
202.202.220.0/22AS4538BusinessChina Education and Research Network
202.202.224.0/20
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.202.240.0/20
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.202.240.0/24AS4538BusinessChina Education and Research Network
202.203.0.0/16
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.203.2.0/24AS4538BusinessChina Education and Research Network
202.203.16.0/24AS4538BusinessChina Education and Research Network
202.203.32.0/20
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.203.48.0/20AS4538BusinessChina Education and Research Network
202.203.64.0/20AS4538BusinessChina Education and Research Network
202.203.66.0/24AS4538BusinessChina Education and Research Network
202.203.80.0/21AS4538BusinessChina Education and Research Network
202.203.112.0/24AS4538BusinessChina Education and Research Network
202.203.128.0/23
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.203.132.0/24AS4538BusinessChina Education and Research Network
202.203.136.0/21AS4538BusinessChina Education and Research Network
202.203.144.0/20AS4538BusinessChina Education and Research Network
202.203.144.0/24AS4538BusinessChina Education and Research Network
202.203.160.0/20AS4538BusinessChina Education and Research Network
202.203.160.0/24AS4538BusinessChina Education and Research Network
202.203.176.0/20
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.203.176.0/24AS4538BusinessChina Education and Research Network
202.203.187.0/24AS4538BusinessChina Education and Research Network
202.203.192.0/20AS4538BusinessChina Education and Research Network
202.203.208.0/20
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.203.224.0/20
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.203.240.0/20AS4538BusinessChina Education and Research Network

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
202.200.0.0/14262,144CERNET-CNChina Education and Research NetworkALLOCATED PORTABLESep 4, 2008[email protected]
└ 202.202.0.0/15131,072CDR-CERNETChina Education and Research NetworkASSIGNED NON-PORTABLE—[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 202.200.0.0/14

Prefix
202.200.0.0/14
Announced by
AS4538 China Education and Research Network Center
Type
Business
Proxy exits
438
Always-on exits
3
RPKI
No RPKI
Netname
CERNET-CN
Registrant
China Education and Research Network
RIR
APNIC
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