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Data as of Nov 4, 2026

202.200.0.0/13

No anonymizer space

China Education and Research Network Center

Announcement
this exact prefix
No RPKI
Announced by
AS4538
Type
Business

Residential-proxy exits

Proxy exits
479
0.09% of its addresses · listed by providers
Always-on exits
3
0.63% of its exits
Spread
32 of 2,048
/24s with at least one exit
Providers
60
selling exits here

/24s with the most always-on exits

/24Always-on exitsProxy exits
202.200.237.0/24129
202.200.233.0/24128
202.201.15.0/2414
202.201.12.0/240123
202.201.10.0/24033
202.200.232.0/24030
202.200.239.0/24029
202.201.11.0/24029
202.200.225.0/24027
202.200.235.0/24026
202.200.234.0/24025
202.200.238.0/24024
202.200.236.0/24019
202.204.223.0/24014
202.204.48.0/2409
202.201.87.0/2405
202.207.191.0/2404
202.206.209.0/2404
202.204.59.0/2402
202.201.239.0/2402
202.200.28.0/2402
202.205.186.0/2401
202.204.169.0/2401
202.200.173.0/2401

Proxy providers listing exits

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Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsRPKI
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
PrefixOriginTypeProxy exitsHolderRPKI
202.200.0.0/14
since Jun 2026
AS4538Business438
3 always on
China Education and Research Network
202.200.0.0/21AS4538BusinessChina Education and Research Network
202.200.8.0/22AS4538BusinessChina Education and Research Network
202.200.12.0/22AS4538BusinessChina Education and Research Network
202.200.16.0/21AS4538BusinessChina Education and Research Network
202.200.28.0/24AS4538Business2China Education and Research Network
202.200.29.0/24AS4538BusinessChina Education and Research Network
202.200.31.0/24AS4538BusinessChina Education and Research Network
202.200.32.0/20AS4538BusinessChina Education and Research Network
202.200.32.0/24AS4538BusinessChina Education and Research Network
202.200.34.0/24AS4538BusinessChina Education and Research Network
202.200.35.0/24AS4538BusinessChina Education and Research Network
202.200.36.0/24AS4538BusinessChina Education and Research Network
202.200.37.0/24AS4538BusinessChina Education and Research Network
202.200.38.0/24AS4538BusinessChina Education and Research Network
202.200.41.0/24AS4538BusinessChina Education and Research Network
202.200.42.0/24AS4538BusinessChina Education and Research Network
202.200.43.0/24AS4538BusinessChina Education and Research Network
202.200.48.0/20AS4538BusinessChina Education and Research Network
202.200.48.0/24AS4538BusinessChina Education and Research Network
202.200.64.0/20AS4538BusinessChina Education and Research Network
202.200.64.0/24AS4538BusinessChina Education and Research Network
202.200.80.0/20AS4538BusinessChina Education and Research Network
202.200.80.0/24AS4538BusinessChina Education and Research Network
202.200.81.0/24AS4538BusinessChina Education and Research Network
202.200.94.0/24AS4538BusinessChina Education and Research Network
202.200.96.0/20AS4538BusinessChina Education and Research Network
202.200.96.0/24AS4538BusinessChina Education and Research Network
202.200.112.0/20AS4538BusinessChina Education and Research Network
202.200.112.0/24AS4538BusinessChina Education and Research Network
202.200.140.0/23AS4538BusinessChina Education and Research Network
202.200.144.0/20AS4538BusinessChina Education and Research Network
202.200.168.0/21AS4538Business1China Education and Research Network
202.200.176.0/20AS4538BusinessChina Education and Research Network
202.200.200.0/21AS4538BusinessChina Education and Research Network
202.200.200.0/24AS4538BusinessChina Education and Research Network
202.200.208.0/20AS4538BusinessChina Education and Research Network
202.200.224.0/20AS4538Business237
2 always on
China Education and Research Network
202.200.240.0/20AS4538BusinessChina Education and Research Network
202.200.255.0/24AS4538BusinessChina Education and Research Network
202.201.0.0/20AS4538Business190
1 always on
China Education and Research Network
202.201.0.0/24AS4538BusinessChina Education and Research Network
202.201.14.0/24AS4538BusinessChina Education and Research Network
202.201.16.0/20AS4538BusinessChina Education and Research Network
202.201.18.0/24AS4538BusinessChina Education and Research Network
202.201.32.0/20AS4538BusinessChina Education and Research Network
202.201.32.0/24
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.201.33.0/24AS4538BusinessChina Education and Research Network
202.201.43.0/24AS4538BusinessChina Education and Research Network
202.201.44.0/24AS4538BusinessChina Education and Research Network
202.201.48.0/20AS4538BusinessChina Education and Research Network
202.201.48.0/24AS4538BusinessChina Education and Research Network
202.201.53.0/24AS4538BusinessChina Education and Research Network
202.201.64.0/20AS4538BusinessChina Education and Research Network
202.201.64.0/24AS4538BusinessChina Education and Research Network
202.201.65.0/24AS4538BusinessChina Education and Research Network
202.201.68.0/24AS4538BusinessChina Education and Research Network
202.201.69.0/24AS4538BusinessChina Education and Research Network
202.201.80.0/21AS4538Business5China Education and Research Network
202.201.80.0/24AS4538BusinessChina Education and Research Network
202.201.88.0/21AS4538BusinessChina Education and Research Network
202.201.96.0/22AS4538BusinessChina Education and Research Network
202.201.96.0/24AS4538BusinessChina Education and Research Network
202.201.106.0/23AS4538BusinessChina Education and Research Network
202.201.106.0/24AS4538BusinessChina Education and Research Network
202.201.108.0/22AS4538BusinessChina Education and Research Network
202.201.152.0/21AS4538BusinessChina Education and Research Network
202.201.152.0/24AS4538BusinessChina Education and Research Network
202.201.154.0/24AS4538BusinessChina Education and Research Network
202.201.160.0/19AS4538BusinessChina Education and Research Network
202.201.160.0/20AS4538BusinessChina Education and Research Network
202.201.160.0/24AS4538BusinessChina Education and Research Network
202.201.166.0/24AS4538BusinessChina Education and Research Network
202.201.176.0/21AS4538BusinessChina Education and Research Network
202.201.188.0/22AS4538BusinessChina Education and Research Network
202.201.192.0/18AS4538Business2China Education and Research Network
202.201.201.0/24AS4538BusinessChina Education and Research Network
202.201.216.0/22AS4538BusinessChina Education and Research Network
202.201.220.0/24AS4538BusinessChina Education and Research Network
202.201.224.0/20AS4538Business2China Education and Research Network
202.201.240.0/20
since May 2026
AS4538BusinessChina Education and Research Network
202.201.253.0/24AS4538BusinessChina Education and Research Network
202.201.255.0/24AS4538BusinessChina Education and Research Network
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
202.204.0.0/14
since Jun 2026
AS4538Business41China Education and Research Network
202.204.16.0/22AS4538BusinessChina Education and Research Network
202.204.20.0/23
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.204.22.0/24AS4538BusinessChina Education and Research Network
202.204.23.0/24AS4538BusinessChina Education and Research Network
202.204.24.0/22AS4538BusinessChina Education and Research Network
202.204.28.0/22
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.204.32.0/20AS4538BusinessChina Education and Research Network
202.204.48.0/20AS4538Business12China Education and Research Network
202.204.49.0/24
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.204.60.0/24
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.204.64.0/20AS4538BusinessChina Education and Research Network
202.204.80.0/20AS4538BusinessChina Education and Research Network
202.204.96.0/20AS4538BusinessChina Education and Research Network
202.204.105.0/24AS4538BusinessChina Education and Research Network
202.204.112.0/20AS4538BusinessChina Education and Research Network
202.204.112.0/24AS4538BusinessChina Education and Research Network
202.204.113.0/24AS4538BusinessChina Education and Research Network
202.204.128.0/20AS4538BusinessChina Education and Research Network
202.204.144.0/20AS4538BusinessChina Education and Research Network
202.204.146.0/24AS4538BusinessChina Education and Research Network
202.204.147.0/24AS4538BusinessChina Education and Research Network
202.204.160.0/20
since Sep 18, 2026
AS4538Business1China Education and Research Network
202.204.176.0/20
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.204.192.0/20AS4538BusinessChina Education and Research Network
202.204.208.0/20AS4538Business14China Education and Research Network
202.204.244.0/22AS4538BusinessChina Education and Research Network
202.205.16.0/20AS4538BusinessChina Education and Research Network
202.205.64.0/20AS4538BusinessChina Education and Research Network
202.205.68.0/24AS4538BusinessChina Education and Research Network
202.205.80.0/20AS4538BusinessChina Education and Research Network
202.205.96.0/21AS4538BusinessChina Education and Research Network
202.205.104.0/22AS4538BusinessChina Education and Research Network
202.205.108.0/24AS4538BusinessChina Education and Research Network
202.205.109.0/24AS4538BusinessChina Education and Research Network
202.205.112.0/20
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.205.112.0/24AS4538BusinessChina Education and Research Network
202.205.117.0/24AS4538BusinessChina Education and Research Network
202.205.127.0/24AS4538BusinessChina Education and Research Network
202.205.130.0/24AS4538BusinessChina Education and Research Network
202.205.131.0/24
since Mar 2025
AS4538BusinessChina Education and Research Network
202.205.144.0/22
since Sep 18, 2026
AS4538BusinessChina Education and Research Network
202.205.148.0/24AS4538BusinessChina Education and Research Network
202.205.149.0/24AS4538BusinessChina Education and Research Network
202.205.151.0/24AS4538BusinessChina Education and Research Network
202.205.158.0/23
since Nov 2025
AS4538BusinessChina Education and Research Network
202.205.160.0/20AS4538BusinessChina Education and Research Network
202.205.176.0/20AS4538Business1China Education and Research Network
202.205.208.0/20AS4538BusinessChina Education and Research Network
202.205.224.0/22AS4538BusinessChina Education and Research Network
202.205.232.0/24AS4538BusinessChina Education and Research Network
202.205.252.0/23AS4538BusinessChina Education and Research Network
202.206.0.0/20AS4538BusinessChina Education and Research Network
202.206.4.0/24AS4538BusinessChina Education and Research Network
202.206.16.0/21AS4538BusinessChina Education and Research Network
202.206.24.0/21AS4538BusinessChina Education and Research Network
202.206.32.0/19AS4538BusinessChina Education and Research Network
202.206.32.0/20AS4538BusinessChina Education and Research Network
202.206.48.0/20AS4538BusinessChina Education and Research Network
202.206.64.0/18AS4538Business4China Education and Research Network
202.206.64.0/20AS4538Business1China Education and Research Network
202.206.64.0/24
since Mar 2025
AS4538BusinessChina Education and Research Network
202.206.96.0/20AS4538Business3China Education and Research Network
202.206.100.0/24
since Mar 2025
AS4538BusinessChina Education and Research Network
202.206.116.0/22AS4538BusinessChina Education and Research Network
202.206.120.0/21AS4538BusinessChina Education and Research Network
202.206.128.0/18AS4538BusinessChina Education and Research Network
202.206.176.0/20AS4538BusinessChina Education and Research Network
202.206.192.0/19AS4538Business4China Education and Research Network
202.206.192.0/20AS4538BusinessChina Education and Research Network
202.206.208.0/20AS4538Business4China Education and Research Network
202.206.224.0/20AS4538BusinessChina Education and Research Network
202.206.236.0/22AS4538BusinessChina Education and Research Network
202.206.240.0/20
since Sep 18, 2026
AS4538Business1China Education and Research Network
202.206.251.0/24AS4538BusinessChina Education and Research Network
202.207.0.0/18AS4538BusinessChina Education and Research Network
202.207.16.0/20AS4538BusinessChina Education and Research Network
202.207.32.0/20AS4538BusinessChina Education and Research Network
202.207.48.0/20AS4538BusinessChina Education and Research Network
202.207.64.0/19AS4538BusinessChina Education and Research Network
202.207.80.0/20AS4538BusinessChina Education and Research Network
202.207.96.0/20AS4538BusinessChina Education and Research Network
202.207.120.0/21AS4538BusinessChina Education and Research Network
202.207.144.0/20AS4538BusinessChina Education and Research Network
202.207.232.0/21AS4538BusinessChina 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
202.200.0.0/14262,144CERNET-CNChina Education and Research NetworkALLOCATED PORTABLESep 4, 2008[email protected]
└ 202.200.0.0/15131,072XAR-CERNETChina Education and Research NetworkASSIGNED NON-PORTABLE—[email protected]
└ 202.202.0.0/15131,072CDR-CERNETChina Education and Research NetworkASSIGNED NON-PORTABLE—[email protected]
202.204.0.0/14262,144BJR-CERNETChina Education and Research NetworkALLOCATED PORTABLESep 4, 2008[email protected]

Network & registry

AnnouncementRouting historyWhois & abuse
Registry

Holder

Organization
Not stated by the registry
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