Data as of Nov 10, 2026
12.28.39.0/24
No anonymizer space · no proxy exits in 30 daysApps Communications · space held by AT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 12.0.0.0/9 | AS7018 | Residential | 8,073 434 always on | AT&T Enterprises, LLC | |
| 12.0.0.0/8 | AS7018 | Residential | 13,384 731 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@ |
| └ 12.28.32.0/21 | 2,048 | ATTWORLD-MIS-28-32 | AT&T Services, Inc. (ATTW) · US | Reallocated | Apr 14, 2011 | — |
| └ 12.28.39.0/24 | 256 | APPS-COM84-39 | Apps Communications, Inc (C11273951) · US | Reassigned | Jul 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
- AT&T Services, Inc. (ATTW)
- Reallocated range
- 12.
28. 32. 0/ 21 - Reallocated
- Apr 14, 2011
Origin network
AS22197
US
- Name
- Apps Communications
- Type
- Internet provider
- Registered
- Aug 20, 2001
- Domain
- appscorp.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
- May 2017
- Current origin since
- May 2017 · 9.4 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS22197 | RADB | Comcast Cable Communications, Inc. | MAINT-AS7922 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 12.
28. 39. 0/ 24 - Netname
- APPS-COM84-39
- Registrant
- Apps Communications, Inc
- Organization
- Apps Communications, Inc (C11273951)
- Type
- Reassigned
- Handle
- NET-12-28-39-0-1
- Parent
- NET-12-28-32-0-1
- Created
- Jul 16, 2025
- 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