Data as of Nov 6, 2026
64.148.140.0/24
No anonymizer space · no proxy exits in 30 daysIsoTropic Networks, Inc. · space held by AT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 64.148.0.0/15 since May 2011 | AS7018 | Residential | 99 12 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 |
|---|---|---|---|---|---|---|
| 64.148.0.0/15 | 131,072 | SBCIS-SIS80-1005 | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | May 4, 2005 | abuse@ |
| └ 64.148.140.0/24 | 256 | SBC06414814000024060111185743 | IsoTropic Networks, Inc (C01259994) · US | Reassigned | Jan 11, 2006 | abuse@ via SBCIS-SIS80-1005 |
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
- 64.
148. 0. 0/ 15 - Registration type
- Direct Allocation
- Record created
- May 4, 2005
Origin network
AS36426
US
- Name
- IsoTropic Networks, Inc.
- Type
- Internet provider
- Registered
- May 13, 2010
- Domain
- isosat.net
- Industry
- Satellite Communication
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2011
- Current origin since
- Jun 2011 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 64.148.140.0/24 | AS36426 | /24 | ARIN | RPKI valid |
| 64.148.0.0/15 | AS7018 | /15 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 64.
148. 140. 0/ 24 - Netname
- SBC06414814000024060111185743
- Registrant
- IsoTropic Networks, Inc
- Organization
- IsoTropic Networks, Inc (C01259994)
- Type
- Reassigned
- Handle
- NET-64-148-140-0-1
- Parent
- NET-64-148-0-0-1
- Created
- Jan 11, 2006
- RIR
- ARIN
- Country
- US
- Delegated
- May 4, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN