Data as of Nov 11, 2026

210.37.0.0/20

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
No RPKI
Announced by
Type
Business

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
210.37.0.0/16
since Sep 18, 2026
AS4538Business10China Education and Research Network
210.32.0.0/12
since May 2005
AS4538Business578
8 always on
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
210.37.0.0/24AS4538BusinessChina Education and Research Network
210.37.10.0/24AS4538BusinessChina Education and Research Network
210.37.11.0/24AS4538BusinessChina Education and Research Network
210.37.14.0/24AS4538BusinessChina Education and Research Network

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

First seen
Before our records
Origin networks
1