Data as of Nov 15, 2026
205.173.58.0/24
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC · space held by AT&T Services, Inc.
Announcement
this exact prefix
No RPKI
Announced by
Type
Mobile
Risk
30 / 100 · Medium
Recently moved · Shared address
Recent change
New origin Nov 7, 2026
from AS25993 AT&T Enterprises, LLC
Network & registry
Origin network
AS7287
US
- Name
- AT&T Enterprises, LLC
- Type
- Internet provider
- Registered
- Nov 1, 1996
- Domain
- att.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- Nov 7, 2026 · under a month
- Origin networks
- 2
- Last change of origin
- Nov 7, 2026
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 205.
173. 56. 0/ 21 - Netname
- NET-SBCCOMM
- Registrant
- AT&T Services, Inc.
- Organization
- AT&T Services, Inc. (ATTSE-Z)
- Org address
- Enterprise IP Group, Indianapolis, IN, 46204
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-205-173-56-0-1
- Parent
- NET-205-0-0-0-0
- Created
- Mar 23, 1995
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 23, 1995
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN