Data as of Nov 10, 2026
203.
- Proxy activity
- Not seen in 30 days
- Type
- Business
- Risk
- 0 / 100 · Low
- Announced by
- AS2687AT&T Enterprises, LLCInternet provider
- Announcement
- 203.196.96.0/20No RPKI
- Company
- AT&T Japan K.K.
- Location
- San Francisco, California, United States
Network & registry
Announced by
Announcement
- Prefix
- 203.196.96.0/20
- Announced by
- AS2687 AT&T Enterprises, LLC
- Type
- Internet provider
- RPKI
- No RPKI
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 203.196.96.0/20
203.196.96.0/20
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
IRR
Route objects on 203.196.96.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2687 | RADB | Proxy-registered route object | MAINT-AS3491 | Mar 28, 2025 |
Whois
Registration for this address
- Range
- 203.
196. 96. 0/ 19 - 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
- Sub-assignment
- 203.
196. 97. 132/ 32 - RIR
- APNIC
- Country
- JP
- Delegated
- Dec 21, 2004
- Status
- assigned
Report abuse
Abuse contact
- peering@
intl. att. com - Name
- ABUSE ATTOPENNETAP
- Handle
- AA1420-AP
Geolocation
Location detail
- Country
- United States
- Region
- California
- City
- San Francisco
- Coordinates
- 37.
7749, -122. 4194 - Time zone
- America/Los_Angeles
- Continent
- North America
- GeoNames
- 5391959