Data as of Nov 12, 2026

101.5.45.0/24

1 residential-proxy exit · 30 days

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

Announcement

101.5.40.0/21

No RPKI

Announced by

AS4538

Type

Business

Risk

30 / 100 · Medium

Recently moved

Recent change

New origin Sep 18, 2026

from AS24348 CERNET2 IX at Tsinghua University, after 1.7 years unannounced

Residential-proxy exits

Proxy exits

0.39% of its addresses · 30 days

Providers

selling exits here

Oct 13, 2026 – Nov 11, 2026

Exits seen per day

1 observation

Proxy providers listing exits

DataImpulse

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	Holder
101.5.0.0/18 since Nov 3, 2026	AS4538	Business	22	China Education and Research Network
101.5.0.0/17 since Sep 18, 2026	AS4538	Business	61	China Education and Research Network
101.5.0.0/16 since Sep 18, 2026	AS4538	Business	178	China Education and Research Network
101.4.0.0/14 since Dec 2010	AS4538	Business	270	China Education and Research Network

Network & registry

Announcement Routing history Whois & abuse

Routing timeline

Covering aggregate above, the prefix's own history below

101.5.40.0/21

Routing history

Pattern: Reactivated
First seen: Oct 2024
Current origin since: Sep 18, 2026 · 2 mo
Origin networks: 2
Last change of origin: Sep 18, 2026

Recorded history

History

Handoffs: 2