Data as of Nov 7, 2026
12.227.48.0/23
No anonymizer space · no proxy exits in 30 daysBig Bend Telephone Company, Inc. · 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) | 5,243 285 always on | AT&T Enterprises, LLC | |
| 12.0.0.0/8 | AS7018 | Residential | 13,307 719 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@ |
| └ 12.227.0.0/16 | 65,536 | ATTWORLD49 | AT&T Services, Inc. (ATTW) · US | Reallocated | Nov 14, 2011 | — |
| └ 12.227.48.0/23 | 512 | ATT-12-227-48-0 | Big Bend (C09949840) · US | Reassigned | Aug 8, 2023 | — |
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
- AT&T Services, Inc. (ATTW)
- Reallocated range
- 12.
227. 0. 0/ 16 - Reallocated
- Nov 14, 2011
Origin network
AS36105
US
- Name
- Big Bend Telephone Company, Inc.
- Type
- Internet provider
- Registered
- Sep 2, 2005
- Domain
- bigbend.net
- 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
- Mar 2012
- Current origin since
- Jan 2020 · 6.8 yr
- Origin networks
- 3
- Last change of origin
- Jan 2020
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 12.
227. 48. 0/ 23 - Netname
- ATT-12-227-48-0
- Registrant
- Big Bend
- Organization
- Big Bend (C09949840)
- Type
- Reassigned
- Handle
- NET-12-227-48-0-1
- Parent
- NET-12-227-0-0-1
- Created
- Aug 8, 2023
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 23, 1983
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- ATT Abuse
- Phone
- +1-999-999-9999
- Handle
- ATTAB-ARIN