Data as of Nov 8, 2026
12.189.192.0/24
No anonymizer space · no proxy exits in 30 daysMfxchange US, Inc · 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) | 5,263 290 always on | AT&T Enterprises, LLC | |
| 12.0.0.0/8 | AS7018 | Residential | 13,346 727 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@ |
| └ 12.189.192.0/23 | 512 | MFX-ROAN85-192 | MFX Roanoke, Inc (MFXRO) · US | Reassigned | May 25, 2007 | — |
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
AS26842
US
- Name
- Mfxchange US, Inc
- Type
- Business
- Registered
- Dec 5, 2002
- Domain
- mfxservices.com
- 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
- Jul 2021
- Current origin since
- Jul 2021 · 5.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 12.189.192.0/24 | AS26842 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 12.
189. 192. 0/ 23 - Netname
- MFX-ROAN85-192
- Registrant
- MFX Roanoke, Inc
- Organization
- MFX Roanoke, Inc (MFXRO)
- Org address
- 55 CHALLENGER RD, RDGFLD PK, NJ, 07660
- Org country
- US
- Type
- Reassigned
- Handle
- NET-12-189-192-0-1
- Parent
- NET-12-0-0-0-1
- Created
- May 25, 2007
- 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