Data as of Nov 5, 2026
12.156.193.0/24
No anonymizer space · no proxy exits in 30 daysAmerican Public Health Association · 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) | 5,205 282 always on | AT&T Enterprises, LLC | |
| 12.0.0.0/8 | AS7018 | Residential | 13,299 722 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@ |
| └ 12.156.193.0/24 | 256 | ACC-AMER629-193 | ACC-American Public Healthass (C08179786) · US | Reassigned | Jan 29, 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
AS32512
US
- Name
- American Public Health Association
- Type
- Business
- Registered
- May 20, 2004
- Domain
- apha.org
- Industry
- Human Rights and Social Advocacy (Human Rights, Environment and Wildlife Conservation, Other)
- 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
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS32512 | RADB | Route Registered for Cogent Communications Customer - AMERICAN PUBLIC HEALTH ASSOCIATION | MAINT-AS174 | Feb 11, 2026 |
Whois
Registration for this announcement
- Range
- 12.
156. 193. 0/ 24 - Netname
- ACC-AMER629-193
- Registrant
- ACC-American Public Healthass
- Organization
- ACC-American Public Healthass (C08179786)
- Type
- Reassigned
- Handle
- NET-12-156-193-0-1
- Parent
- NET-12-0-0-0-1
- Created
- Jan 29, 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