Data as of Nov 4, 2026
12.129.100.0/24
No anonymizer space · no proxy exits in 30 daysAS12114 · space held by AT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 12.128.0.0/9 | AS7018 | Residential | IP broker Rackdog (part) | 5,173 283 always on | AT&T Enterprises, LLC | |
| 12.0.0.0/8 | AS7018 | Residential | 13,297 724 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 |
|---|---|---|---|---|---|---|
| 12.0.0.0/8 | 16,777,216 | ATT | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Aug 23, 1983 | abuse@ |
| └ 12.129.64.0/18 | 16,384 | ATTENS-ATL-1 | CERFnet (CERF) · US | Reallocated | Jan 30, 2002 | — |
| └ 12.129.100.0/24 | 256 | TEMENOS433-100 | Temenos Cloud Americas, LLC. (C11134588) · US | Reassigned | Mar 16, 2025 | — |
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 12.
0. 0. 0/ 8 - Registration type
- Direct Allocation
- Record created
- Aug 23, 1983
- Legacy
- yes
- Reallocated to
- CERFnet (CERF)
- Reallocated range
- 12.
129. 64. 0/ 18 - Reallocated
- Jan 30, 2002
Origin network
AS12114
ZZ
- Type
- Business
- Registered
- Nov 3, 2026
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jun 2018
- Current origin since
- Mar 2024 · 2.6 yr
- Origin networks
- 2
- Last change of origin
- Mar 2024
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 12.
129. 100. 0/ 24 - Netname
- TEMENOS433-100
- Registrant
- Temenos Cloud Americas, LLC.
- Organization
- Temenos Cloud Americas, LLC. (C11134588)
- Type
- Reassigned
- Handle
- NET-12-129-100-0-1
- Parent
- NET-12-129-64-0-1
- Created
- Mar 16, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 23, 1983
- Status
- assigned
Report abuse
Abuse contact
- er3254@
att. com - Name
- Network Provisioning
- Phone
- +1-877-789-2877
- Handle
- NETWO10-ARIN