Data as of Nov 10, 2026
205.144.144.0/24
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC · space held by CSG Systems Inc.
Network & registry
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 this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2011
- Current origin since
- Mar 2012 · 15 yr
- Origin networks
- 2
- Last change of origin
- Mar 2012
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 205.
144. 144. 0/ 20 - Netname
- CAGNET
- Registrant
- CSG Systems Inc.
- Organization
- CSG Systems Inc. (CSGSY-2)
- Org address
- 2525 N 117th Ave, Omaha, NE, 68164
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-205-144-144-0-1
- Parent
- NET-205-0-0-0-0
- Created
- Apr 7, 1995
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 7, 1995
- Status
- assigned
Report abuse
Abuse contact
- list-dneall@
csgi. com - Name
- CSG Network Services
- Phone
- +1-402-431-7877
- Handle
- CNS22-ARIN