Data as of Nov 11, 2026
12.183.158.0/24
1 residential-proxy exit · 30 daysBig Bend Telephone Company, Inc. · space held by AT&T Enterprises, LLC
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
2
selling exits here
Oct 12, 2026 – Nov 10, 2026
Exits seen per day
11 observations
Proxy providers listing exits
- FastProxy
- LemonBright
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) | 5,309 237 always on | AT&T Enterprises, LLC | |
| 12.0.0.0/8 | AS7018 | Residential | 13,428 538 always on | AT&T Enterprises, LLC |
Registrations in this block
The registry's network records over this block, widest first, each 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@ |
| └ 12.183.158.0/23 | 512 | ATT-12-183-158-0 | Big Bend (C09949838) · US | Reassigned | Aug 8, 2023 | abuse@ via ATT |
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
Announced by
Covering announcement 12.183.158.0/23
- Prefix
- 12.183.158.0/23
- Announced by
- AS36105 Big Bend Telephone Company, Inc.
- Type
- Residential
- Proxy exits
- 2
- RPKI
- RPKI valid
- Netname
- ATT-12-183-158-0
- Registrant
- Big Bend
- RIR
- ARIN
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
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
12.183.158.0/23
Routing history
- Pattern
- Stable
- First seen
- Aug 2007
- Current origin since
- Jan 2020 · 6.8 yr
- Origin networks
- 4
- Last change of origin
- Jan 2020
Recorded history
History
- Handoffs
- 3
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 12.183.158.0/23 | AS36105 | /24 | ARIN | RPKI valid |
IRR
Route objects on 12.183.158.0/23
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS36105 | ARIN | AT&T Enterprises, LLC | MNT-AEL-360 | Jul 21, 2025 |
Whois
Registration for this announcement
- Range
- 12.
183. 158. 0/ 23 - Netname
- ATT-12-183-158-0
- Registrant
- Big Bend
- Organization
- Big Bend (C09949838)
- Type
- Reassigned
- Handle
- NET-12-183-158-0-1
- Parent
- NET-12-0-0-0-1
- Created
- Aug 8, 2023
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 23, 1983
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN