Data as of Nov 9, 2026

203.194.90.0/23

No anonymizer space · no proxy exits in 30 days

AT&T Enterprises, LLC · space held by AT&T Japan K.K.

Announcement

No RPKI

Announced by

Type

Internet provider

88% of it

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
203.194.64.0/19	8,192	ATT-OPENNET-AP	AT&T Japan K.K. (ORG-AJK1-AP) · JP	ALLOCATED PORTABLE	—	peering@intl.att.com
└ 203.194.91.64/27	32	AUINTTAG	Network Systems	ASSIGNED NON-PORTABLE	—	peering@intl.att.com via ATT-OPENNET-AP
└ 203.194.91.192/27	32	AUINTRNT	Arnotts Biscuits Limited	ASSIGNED NON-PORTABLE	—	peering@intl.att.com via ATT-OPENNET-AP

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

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

Announced space

Announced space

512 addresses

Type	Addresses	Share	Ranges
Internet provider	448	88%	3
Business	64	13%	2

Announced by

Origin network