Data as of Nov 3, 2026
12.148.4.0/24
No anonymizer space · no proxy exits in 30 daysNETPLEX · 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) | 5,160 278 always on | AT&T Enterprises, LLC | |
| 12.0.0.0/8 | AS7018 | Residential | 13,255 715 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 | [email protected] |
| └ 12.148.4.0/24 | 256 | NETPLEX734-4 | Netplex LLC (NETPL-8) · US | Reassigned | Oct 28, 2009 | [email protected] |
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
AS6062
US
- Name
- NETPLEX
- Type
- Hosting
- Registered
- Oct 26, 1995
- Domain
- ntplx.net
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Mar 2026 · 8 mo
- Origin networks
- 2
- Last change of origin
- Mar 2010
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS11598 not the origin | RADB | Frontier Communications (ARIN OrgID: FRTR) | MAINT-AS5650 | Feb 15, 2024 |
Whois
Registration for this announcement
- Range
- 12.148.4.0/24
- Netname
- NETPLEX734-4
- Registrant
- Netplex LLC
- Organization
- Netplex LLC (NETPL-8)
- Org address
- 280 TRUMBULL ST, HARTFORD, CT, 06105
- Org country
- US
- Type
- Reassigned
- Handle
- NET-12-148-4-0-1
- Parent
- NET-12-0-0-0-1
- Created
- Oct 28, 2009
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 23, 1983
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Lindh, Andrew
- Phone
- +1-860-233-1111
- Handle
- ALI37-ARIN