Data as of Nov 8, 2026
12.153.242.0/23
1 residential-proxy exit · 30 daysPersonal Network Computing · space held by AT&T Enterprises, LLC
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Recent change
New origin Jul 2026
from AS393508 Personal Network Computing, after 5.5 years unannounced
Residential-proxy exits
Proxy exits
1
0.20% of its addresses · 30 days
Spread
1 of 2
/24s with at least one exit
Providers
4
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
4 observations
Proxy providers listing exits
- Bright Data
- FastProxy
- LemonBright
- VitalExclusive
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) | 5,281 293 always on | AT&T Enterprises, LLC | |
| 12.0.0.0/8 | AS7018 | Residential | 13,375 726 always on | AT&T Enterprises, LLC |
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 12.153.242.0/24 since Mar 2020 | AS393508 | Residential | AT&T Enterprises, LLC | ||
| 12.153.243.0/24 since Mar 2020 | AS393508 | Residential | 1 | 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@ |
| └ 12.153.242.0/23 | 512 | PERSONAL939-242 | Personal Network Computing (C08197737) · US | Reassigned | Feb 19, 2022 | 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
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
AS393508
US
- Name
- Personal Network Computing
- Type
- Internet provider
- Registered
- Jun 30, 2014
- Domain
- pnc.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
- Sep 2005
- Current origin since
- Jul 2026 · 3 mo
- Origin networks
- 2
- Last change of origin
- Nov 2020
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 12.
153. 242. 0/ 23 - Netname
- PERSONAL939-242
- Registrant
- Personal Network Computing
- Organization
- Personal Network Computing (C08197737)
- Type
- Reassigned
- Handle
- NET-12-153-242-0-1
- Parent
- NET-12-0-0-0-1
- Created
- Feb 19, 2022
- 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