Data as of Nov 12, 2026

210.52.53.0/24

No anonymizer space · no proxy exits in 30 days

CHINA UNICOM Industrial Internet Backbone · space held by China Unicom IP network

Announcement

this exact prefix

RPKI valid

Announced by

AS9929

Type

Business

75% of it

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Holder	RPKI
210.52.0.0/18 since May 2005	AS9929	Internet provider	China Unicom IP 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.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
210.52.0.0/15	131,072	UNICOM-CN	China Unicom IP network	ALLOCATED PORTABLE	—	hqs-ipabuse@chinaunicom.cn
└ 210.52.53.0/25	128	changchun-CNET	changchun city,jilin province	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-CN
└ 210.52.53.192/26	64	changchun-xianggelila	chuangchun city	ASSIGNED NON-PORTABLE	—	hqs-ipabuse@chinaunicom.cn via UNICOM-CN

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

256 addresses

Type	Addresses	Share	Ranges
Business	192	75%	2
Internet provider	64	25%	1

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern: Stable
First seen: May 2005
Current origin since: May 2005 · 22 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
210.52.53.0/24	AS9929	/24	APNIC	RPKI valid
210.52.0.0/18	AS9929	/18	APNIC	Too specific

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS9929	APNIC	China Unicom	MAINT-CNCGROUP-RR	Jun 8, 2023