Data as of Nov 9, 2026
204.127.247.0/24
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC
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 |
|---|---|---|---|---|---|---|
| 204.127.0.0/16 | 65,536 | ATTPLS | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Aug 22, 1994 | abuse@ |
| └ 204.127.240.0/20 | 4,096 | ATTSVC-204-127-240-0 | AT&T Consumer IP Services (C00728608) · US | Reassigned | Dec 17, 2003 | abuse@ via ATTPLS |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 204.127.128.0/17
- Prefix
- 204.127.128.0/17
- Announced by
- AS7018 AT&T Enterprises, LLC
- Type
- Residential
- RPKI
- No RPKI
- Netname
- ATTPLS
- Registrant
- AT&T Enterprises, LLC
- RIR
- ARIN
Origin network
AS7018
US
- Name
- AT&T Enterprises, LLC
- Type
- Internet provider
- Registered
- Jul 30, 1996
- Domain
- att.com
- Website
- www.att.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 204.127.128.0/17
204.127.128.0/17
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 204.
127. 0. 0/ 16 - Netname
- ATTPLS
- Registrant
- AT&T Enterprises, LLC
- Organization
- AT&T Enterprises, LLC (AEL-360)
- Org address
- 208 S. Akard St., Dallas, TX, 75202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-204-127-0-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Aug 22, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 22, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN