Data as of Nov 12, 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

AS2687

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.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
210.88.0.0/20	4,096	ATT-OPENNET-AP	AT&T Japan K.K. (ORG-AJK1-AP) · JP	ALLOCATED PORTABLE	—	peering@intl.att.com
└ 210.88.1.0 - 210.88.3.255	768	JHUBBB	AT&T GNS	ALLOCATED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.1.4/30	4	TOKY1AR1-S2	KDD Otemachi Building 10F	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.1.12/30	4	TOKY1AR2-S1	KDD Otemachi Building 10F	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.1.32/28	16	TOKY1CW1-T0	KDD Otemachi Building 10F	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.1.48/28	16	TOKY1CW2-T0	KDD Otemachi Building 10F	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.1.64/30	4	TOKY1AR1-S1	KDD Otemachi Building 10F	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.1.68/30	4	TOKY1AR2-S2	KDD Otemachi Building 10F	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.1.72/30	4	ONATEMP1-S0	IBM Osaka Nankoh	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.1.76/30	4	ONATEMP1-S1	IBM Osaka Nankoh	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.1.80/30	4	BENT1CW1-ATM5	NTT-CW Benten	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.1.84/30	4	BENT1CW2-ATM5	NTT-CW Benten	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.1.88/30	4	TOKY1AR1-S7	KDD Otemachi Building 10F	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.1.92/30	4	TOKY1AR2-S7	KDD Otemachi Building 10F	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.1.96/29	8	TOKY1CW2-T1	KDD Otemachi Building 10F	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.1.104/29	8	TOKY1AR2-T0	KDD Otemachi Building 10F	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.1.112/30	4	TOKY1AR1-S4	KDD Otemachi Building 10F	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.1.116/30	4	TOKY1AR2-S4	KDD Otemachi Building 10F	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.1.224/28	16	BENT1CW2-T8	NTT-CW Benten	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.3.0/28	16	BENT1CW1	NTT-CW Benten	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.3.16/28	16	BENT1CW1	NTT-CW Benten	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.3.208/29	8	BENT1CW2-T8	NTT-CW Benten	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.3.224/28	16	BENT1CW1-T8	NTT-CW Benten	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.3.240 - 210.88.3.248	9	BENT1CW1	NTT-CW Benten	ASSIGNED NON-PORTABLE	—	peering@intl.att.com
└ 210.88.4.0 - 210.88.15.255	3,072	JHUBLIG	AT&T GNS	ASSIGNED 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

Type	Addresses	Share	Ranges
Internet provider	3,919	96%	8
Business	177	4.3%	22

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern: Stable
First seen: Jun 2022
Current origin since: Jun 2022 · 4.4 yr
Origin networks: 1