Data as of Nov 10, 2026
71.158.129.0/24
No anonymizer space · no proxy exits in 30 daysCox Communications Inc. · space held by AT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 71.156.0.0/14 since Dec 2017 | AS7018 | Residential | 1,732 43 always on | AT&T Enterprises, LLC |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 71. | 491,520 | SBCIS-SIS80 | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Jan 11, 2005 | abuse@ |
| └ 71.158.129.0/24 | 256 | SBC07115812900024060222125405 | Cooper Communities (C01291730) · US | Reassigned | Feb 22, 2006 | abuse@ via SBCIS-SIS80 |
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
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 71.
152. 128. 0 - 71. 159. 255. 255 - Registration type
- Direct Allocation
- Record created
- Jan 11, 2005
Origin network
AS22773
US
- Name
- Cox Communications Inc.
- Type
- Internet provider
- Registered
- Nov 20, 2001
- Domain
- cox.com
- Website
- www.cox.com/peering
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2006
- Current origin since
- Apr 2015 · 12 yr
- Origin networks
- 2
- Last change of origin
- Apr 2015
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS22773 | RADB | JHSN | MAINT-AS22773 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 71.
158. 129. 0/ 24 - Netname
- SBC07115812900024060222125405
- Registrant
- Cooper Communities
- Organization
- Cooper Communities (C01291730)
- Type
- Reassigned
- Handle
- NET-71-158-129-0-1
- Parent
- NET-71-152-128-0-1
- Created
- Feb 22, 2006
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 11, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN