Data as of Nov 5, 2026
12.40.100.0/23
No anonymizer space · no proxy exits in 30 daysAvfuel Corporation · 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 | 8,094 440 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@ |
| └ 12.40.100.0/23 | 512 | AVFLIGHT212-100 | Avflight Corporation (AC-4912) · US | Reassigned | Nov 20, 2019 | — |
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
AS26330
US
- Name
- Avfuel Corporation
- Type
- Business
- Registered
- Jul 6, 2005
- Domain
- avfuel.com
- Industry
- Automotive and Transportation
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2010
- Current origin since
- Jun 2010 · 16 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS26330 | RADB | Comcast Cable Communications, Inc. | MAINT-AS7922 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 12.
40. 100. 0/ 23 - Netname
- AVFLIGHT212-100
- Registrant
- Avflight Corporation
- Organization
- Avflight Corporation (AC-4912)
- Org address
- 5410 OPERATIONS RD, MONROE, LA, 71203
- Org country
- US
- Type
- Reassigned
- Handle
- NET-12-40-100-0-1
- Parent
- NET-12-0-0-0-1
- Created
- Nov 20, 2019
- 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