Data as of Nov 4, 2026
135.205.0.0/16
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC · space held by AT&T Services, Inc.
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 135.205.0.0/17 since Oct 2023 | AS6431 | Business | AT&T Services, Inc. | |
| 135.205.128.0/17 since Oct 2023 | AS6431 | Business | AT&T Services, Inc. |
Network & registry
Origin network
AS6431
US
- Name
- AT&T Enterprises, LLC
- Type
- Business
- Registered
- Apr 12, 1996
- Domain
- att.com
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 135.
197. 0. 0 - 135. 208. 255. 255 - Netname
- ATT-135-197-219-B
- 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-135-197-0-0-1
- Parent
- NET-135-0-0-0-0
- Created
- Apr 30, 1996
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 30, 1996
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN