Data as of Nov 8, 2026
203.196.112.0/24
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 this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 203.196.96.0/19 | 8,192 | ATT-OPENNET-AP | AT&T Japan K.K. (ORG-AJK1-AP) · JP | ALLOCATED PORTABLE | — | peering@ |
| └ 203.196.112.0/20 | 4,096 | ATT-OPENNET-AP | AT&T Japan K.K. (ORG-AJK1-AP) · JP | ALLOCATED PORTABLE | — | peering@ |
| └ 203.196.112.64/28 | 16 | AUINTWAS | Precision Castparts Corporation | ASSIGNED NON-PORTABLE | — | peering@ via ATT-OPENNET-AP |
| └ 203.196.112.96/28 | 16 | AU-hosting | Notts Retail Park, Nottingham | ASSIGNED NON-PORTABLE | — | peering@ via ATT-OPENNET-AP |
| └ 203.196.112.112/28 | 16 | AU-hosting | Bligh Street, Australia | ASSIGNED NON-PORTABLE | — | peering@ via ATT-OPENNET-AP |
| └ 203.196.112.128/28 | 16 | AUINTSIF | unknown | ASSIGNED NON-PORTABLE | — | peering@ via ATT-OPENNET-AP |
| └ 203.196.112.144/28 | 16 | AUINTBAO | unknown | ASSIGNED NON-PORTABLE | — | peering@ via ATT-OPENNET-AP |
| └ 203.196.112.160/28 | 16 | AUINTBRO | unknown | ASSIGNED NON-PORTABLE | — | peering@ via ATT-OPENNET-AP |
| └ 203.196.112.176/28 | 16 | AUINTBIE | unknown | ASSIGNED NON-PORTABLE | — | peering@ via ATT-OPENNET-AP |
| └ 203.196.112.208/28 | 16 | SGINTAMD | AMD International Pte Ltd | ASSIGNED NON-PORTABLE | — | peering@ via ATT-OPENNET-AP |
| └ 203.196.112.224/28 | 16 | FirstNZCapital | Caltex Towers | ASSIGNED NON-PORTABLE | — | peering@ via ATT-OPENNET-AP |
| └ 203.196.112.240/28 | 16 | AP-Hosting | 8515 E Anderson Scottsdale - AZ | ASSIGNED NON-PORTABLE | — | peering@ 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
256 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 160 | 63% | 10 | |
| Internet provider | 96 | 38% | 3 |
Network & registry
Announced by
Covering announcement 203.196.112.0/20
- Prefix
- 203.196.112.0/20
- 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
Registry
Holder
- Organization
- AT&T Japan K.K.
- Handle
- ORG-AJK1-AP
- Range
- 203.
196. 96. 0/ 19 - Registration type
- ALLOCATED PORTABLE
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 203.196.112.0/20
203.196.112.0/20
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
IRR
Route objects on 203.196.112.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2687 | RADB | Proxy-registered route object | MAINT-AS3491 | Mar 28, 2025 |
Whois
Registration for this announcement
- Range
- 203.
196. 112. 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 8, 2003
- Status
- assigned
Report abuse
Abuse contact
- peering@
intl. att. com - Name
- ABUSE ATTOPENNETAP
- Handle
- AA1420-AP