Data as of Nov 7, 2026

203.196.96.0/20

No anonymizer space · no proxy exits in 30 days

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

Announcement
this exact prefix
No RPKI
Announced by
Type
Internet provider
88% of it

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
203.196.96.0/198,192ATT-OPENNET-APAT&T Japan K.K. (ORG-AJK1-AP) · JPALLOCATED PORTABLE—peering@intl.att.com
└ 203.196.97.0/24256AP-HostingAT&T Managed Firewall Network Based - SydneyALLOCATED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.0/25128AP-HostingAT&T Managed Firewall Network Based - SydneyASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.128/321AP-HostingAT&T Managed Firewall Network Based - SydneyASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.129/321CN-APHOSTING--NETnetwork for UNDERWRITERS LABORATORIES CN web browsing servicesASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.130/321JP-APHOSTING--NETnetwork for UNDERWRITERS LABORATORIES CN web browsing servicesASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.131/321AP-HostingAT&T Managed Firewall Network Based - SydneyASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.132/321BD-APHOSTING--NETnetwork for UNDERWRITERS LABORATORIES CN web browsing servicesASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.133/321HK-APHOSTING--NETnetwork for UNDERWRITERS LABORATORIES CN web browsing servicesASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.134/321IN-APHOSTING--NETnetwork for UNDERWRITERS LABORATORIES IN web browsing servicesASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.135/321ID-APHOSTING--NETnetwork for UNDERWRITERS LABORATORIES ID web browsing servicesASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.136/321KR-APHOSTING--NETnetwork for UNDERWRITERS LABORATORIES KR web browsing servicesASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.137/321AP-HostingAT&T Managed Firewall Network Based - SydneyASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.138/321NZ-APHOSTING--NETnetwork for UNDERWRITERS LABORATORIES NZ web browsing servicesASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.139/321AP-HostingAT&T Managed Firewall Network Based - SydneyASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.140/321PH-APHOSTING--NETnetwork for UNDERWRITERS LABORATORIES PH web browsing servicesASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.141/321SG-APHOSTING--NETnetwork for UNDERWRITERS LABORATORIES SG web browsing servicesASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.142/321TW-APHOSTING--NETnetwork for UNDERWRITERS LABORATORIES TW web browsing servicesASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.143/321TH-APHOSTING--NETnetwork for UNDERWRITERS LABORATORIES TH web browsing servicesASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.144/321TR-APHOSTING--NETnetwork for UNDERWRITERS LABORATORIES TR web browsing servicesASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.145/321AP-HostingAT&T Managed Firewall Network Based - SydneyASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.146/321AP-HostingAT&T Managed Firewall Network Based - SydneyASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.147/321AP-HostingAT&T Managed Firewall Network Based - SydneyASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.148/304AP-HostingAT&T Managed Firewall Network Based - SydneyASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.152/298AP-HostingAT&T Managed Firewall Network Based - SydneyASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.160/2732AP-HostingAT&T Managed Firewall Network Based - SydneyASSIGNED NON-PORTABLE—peering@intl.att.com
└ 203.196.97.192/2664AP-HostingAT&T Managed Firewall Network Based - SydneyASSIGNED NON-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
└ 203.196.101.0/24256LIGAT&TASSIGNED NON-PORTABLE—peering@intl.att.com
via ATT-OPENNET-AP
└ 203.196.102.0/24256NZINTFIRCaltex TowersASSIGNED NON-PORTABLE—peering@intl.att.com
via ATT-OPENNET-AP
└ 203.196.103.0/24256HKINTUATunknownASSIGNED NON-PORTABLE—peering@intl.att.com
via ATT-OPENNET-AP
└ 203.196.104.0/24256JPINTFSGMassachusetts Financial ServicesASSIGNED NON-PORTABLE—peering@intl.att.com
via ATT-OPENNET-AP
└ 203.196.106.0/24256JPINTINGVeriSign, Inc.ASSIGNED NON-PORTABLE—peering@intl.att.com
via ATT-OPENNET-AP
└ 203.196.107.0/24256JPINTINGunknownASSIGNED NON-PORTABLE—peering@intl.att.com
via ATT-OPENNET-AP
└ 203.196.110.0/24256SGINTKNEAdvanced Management Consulting LtdASSIGNED 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.

Composition

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

Announced space

Address share

Announced space

Types across the prefix

4,096 addresses
TypeAddressesShareRanges
Internet provider3,58488%3
Business2566.3%25
Hosting2566.3%1

Network & registry

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