Data as of Nov 10, 2026

221.192.185.0/24

No anonymizer space · no proxy exits in 30 days

CHINA UNICOM Industrial Internet Backbone · space held by China Unicom Hebei Province Network

Announcement
this exact prefix
RPKI valid
Announced by
Type
Internet provider
Risk
0 / 100 · Low
Recent change
New origin Jul 2026
its first announcement on record

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
221.192.0.0/15
since May 2005
AS4837Residential418
8 always on
China Unicom Hebei Province Network

Network & registry

Origin network

AS9929

CN
Name
CHINA UNICOM Industrial Internet Backbone
Type
Internet provider
Registered
Apr 5, 2000
Domain
chinaunicom.cn
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed