Data as of Nov 5, 2026
210.88.0.0/20
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC · space held by AT&T Japan K.K.
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@ |
| └ 210. | 768 | JHUBBB | AT&T GNS | ALLOCATED NON-PORTABLE | — | peering@ |
| └ 210.88.1.4/30 | 4 | TOKY1AR1-S2 | KDD Otemachi Building 10F | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210.88.1.12/30 | 4 | TOKY1AR2-S1 | KDD Otemachi Building 10F | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210.88.1.32/28 | 16 | TOKY1CW1-T0 | KDD Otemachi Building 10F | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210.88.1.48/28 | 16 | TOKY1CW2-T0 | KDD Otemachi Building 10F | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210.88.1.64/30 | 4 | TOKY1AR1-S1 | KDD Otemachi Building 10F | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210.88.1.68/30 | 4 | TOKY1AR2-S2 | KDD Otemachi Building 10F | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210.88.1.72/30 | 4 | ONATEMP1-S0 | IBM Osaka Nankoh | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210.88.1.76/30 | 4 | ONATEMP1-S1 | IBM Osaka Nankoh | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210.88.1.80/30 | 4 | BENT1CW1-ATM5 | NTT-CW Benten | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210.88.1.84/30 | 4 | BENT1CW2-ATM5 | NTT-CW Benten | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210.88.1.88/30 | 4 | TOKY1AR1-S7 | KDD Otemachi Building 10F | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210.88.1.92/30 | 4 | TOKY1AR2-S7 | KDD Otemachi Building 10F | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210.88.1.96/29 | 8 | TOKY1CW2-T1 | KDD Otemachi Building 10F | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210.88.1.104/29 | 8 | TOKY1AR2-T0 | KDD Otemachi Building 10F | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210.88.1.112/30 | 4 | TOKY1AR1-S4 | KDD Otemachi Building 10F | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210.88.1.116/30 | 4 | TOKY1AR2-S4 | KDD Otemachi Building 10F | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210.88.1.224/28 | 16 | BENT1CW2-T8 | NTT-CW Benten | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210.88.3.0/28 | 16 | BENT1CW1 | NTT-CW Benten | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210.88.3.16/28 | 16 | BENT1CW1 | NTT-CW Benten | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210.88.3.208/29 | 8 | BENT1CW2-T8 | NTT-CW Benten | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210.88.3.224/28 | 16 | BENT1CW1-T8 | NTT-CW Benten | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210. | 9 | BENT1CW1 | NTT-CW Benten | ASSIGNED NON-PORTABLE | — | peering@ |
| └ 210. | 3,072 | JHUBLIG | AT&T GNS | ASSIGNED NON-PORTABLE | — | peering@ |
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
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
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
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2687 | RADB | To allow routing to other ISPs | MAINT-AS7132 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 210.
88. 0. 0/ 20 - Netname
- ATT-OPENNET-AP
- Registrant
- AT&T Japan K.K.
- Registrant country
- JP
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jul 7, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- JP
- Delegated
- Oct 22, 1997
- Status
- assigned
Report abuse
Abuse contact
- peering@
intl. att. com - Name
- ABUSE ATTOPENNETAP
- Handle
- AA1420-AP