Data as of Nov 5, 2026

210.88.0.0/20

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
96% 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
210.88.0.0/204,096ATT-OPENNET-APAT&T Japan K.K. (ORG-AJK1-AP) · JPALLOCATED PORTABLE—peering@intl.att.com
└ 210.88.1.0 - 210.88.3.255768JHUBBBAT&T GNSALLOCATED NON-PORTABLE—peering@intl.att.com
└ 210.88.1.4/304TOKY1AR1-S2KDD Otemachi Building 10FASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.1.12/304TOKY1AR2-S1KDD Otemachi Building 10FASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.1.32/2816TOKY1CW1-T0KDD Otemachi Building 10FASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.1.48/2816TOKY1CW2-T0KDD Otemachi Building 10FASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.1.64/304TOKY1AR1-S1KDD Otemachi Building 10FASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.1.68/304TOKY1AR2-S2KDD Otemachi Building 10FASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.1.72/304ONATEMP1-S0IBM Osaka NankohASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.1.76/304ONATEMP1-S1IBM Osaka NankohASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.1.80/304BENT1CW1-ATM5NTT-CW BentenASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.1.84/304BENT1CW2-ATM5NTT-CW BentenASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.1.88/304TOKY1AR1-S7KDD Otemachi Building 10FASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.1.92/304TOKY1AR2-S7KDD Otemachi Building 10FASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.1.96/298TOKY1CW2-T1KDD Otemachi Building 10FASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.1.104/298TOKY1AR2-T0KDD Otemachi Building 10FASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.1.112/304TOKY1AR1-S4KDD Otemachi Building 10FASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.1.116/304TOKY1AR2-S4KDD Otemachi Building 10FASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.1.224/2816BENT1CW2-T8NTT-CW BentenASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.3.0/2816BENT1CW1NTT-CW BentenASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.3.16/2816BENT1CW1NTT-CW BentenASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.3.208/298BENT1CW2-T8NTT-CW BentenASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.3.224/2816BENT1CW1-T8NTT-CW BentenASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.3.240 - 210.88.3.2489BENT1CW1NTT-CW BentenASSIGNED NON-PORTABLE—peering@intl.att.com
└ 210.88.4.0 - 210.88.15.2553,072JHUBLIGAT&T GNSASSIGNED NON-PORTABLE—peering@intl.att.com

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 provider3,91996%8
Business1774.3%22

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