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Data as of Nov 5, 2026

219.158.16.0/20

No anonymizer space · no proxy exits in 30 days

CHINA UNICOM China169 Backbone · space held by CNC group

Announcement
this exact prefix
RPKI valid
Announced by
AS4837
Type
Internet provider

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
219.158.26.0/24
since May 2005
AS4837Internet providerCNC group
via Backbone of China Unicom

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
219.158.0.0/1665,536CNCGROUPCNC groupALLOCATED PORTABLE—hqs-ipabuse@chinaunicom.cn
└ 219.158.0.0/198,192ChinaUnicom-BACKBONEBackbone of China UnicomALLOCATED NON-PORTABLE—hqs-ipabuse@chinaunicom.cn
via CNCGROUP

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

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
CNC group
Range
219.158.0.0/16
Registration type
ALLOCATED PORTABLE
Reallocated to
Backbone of China Unicom
Reallocated range
219.158.0.0/19
Reallocation type
ALLOCATED NON-PORTABLE
Origin network

AS4837

CN
Name
CHINA UNICOM China169 Backbone
Type
Internet provider
Registered
Sep 17, 2001
Domain
chinaunicom.cn
Website
www.chinaunicom.cn/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed