Data as of Nov 7, 2026

203.196.99.0/24

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
Hosting
Risk
50 / 100 · Medium

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
203.196.96.0/198,192ATT-OPENNET-APAT&T Japan K.K. (ORG-AJK1-AP) · JPALLOCATED PORTABLE—peering@intl.att.com
└ 203.196.99.0/24256AP-HostingAT&T Hosting Network Operation Center SingaporeASSIGNED 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.

Network & registry

Announced by

Covering announcement 203.196.96.0/20

Prefix
203.196.96.0/20
Announced by
AS2687 AT&T Enterprises, LLC
Type
Internet provider
RPKI
No RPKI
Netname
ATT-OPENNET-AP
Registrant
AT&T Japan K.K.
RIR
APNIC
Origin network

AS2687

US
Name
AT&T Enterprises, LLC
Type
Internet provider
Registered
Jun 2, 1993
Domain
att.com
Website
www.att.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed