Data as of Nov 15, 2026

203.196.112.64/28

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

Business

Risk

0 / 100 · Low

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
203.196.96.0/19	8,192	ATT-OPENNET-AP	AT&T Japan K.K. (ORG-AJK1-AP) · JP	ALLOCATED PORTABLE	—	peering@intl.att.com
└ 203.196.112.0/20	4,096	ATT-OPENNET-AP	AT&T Japan K.K. (ORG-AJK1-AP) · JP	ALLOCATED PORTABLE	—	peering@intl.att.com
└ 203.196.112.64/28	16	AUINTWAS	Precision Castparts Corporation	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.

Routing timeline

203.196.112.0/20