Data as of Nov 3, 2026
12.180.212.0/24
No anonymizer space · no proxy exits in 30 daysAdma Biomanufacturing, LLC · 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] |
| └ 12.180.208.0/20 | 4,096 | ATTSVCM-12-180-208-0 | AT&T Services, Inc. (ATTW) · US | Reallocated | Dec 15, 2003 | — |
| └ 12.180.212.0/24 | 256 | ATT-EIPAM | Adma Biomanufacturing, LLC (C11485884) · US | Reassigned | Jan 23, 2026 | — |
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
- 12.180.208.0/20
- Reallocated
- Dec 15, 2003
Origin network
AS402232
US
- Name
- Adma Biomanufacturing, LLC
- Type
- Business
- Registered
- Feb 26, 2026
- Domain
- admabio.com
- Industry
- Chemical and Pharmaceutical Manufacturing
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Dec 2007
- Current origin since
- Apr 2026 · 7 mo
- Origin networks
- 2
- Last change of origin
- Apr 2026
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 12.180.212.0/24
- Netname
- ATT-EIPAM
- Registrant
- Adma Biomanufacturing, LLC
- Organization
- Adma Biomanufacturing, LLC (C11485884)
- Type
- Reassigned
- Handle
- NET-12-180-212-0-1
- Parent
- NET-12-180-208-0-1
- Created
- Jan 23, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 23, 1983
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ATT Abuse
- Phone
- +1-999-999-9999
- Handle
- ATTAB-ARIN