Data as of Nov 10, 2026
66.4.78.0/24
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC · space held by State of Tennessee Department of Education
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 66.4.0.0/16 since Aug 2016 | AS19957 | Business | 2 | State of Tennessee Department of Education |
Network & registry
Origin network
AS19957
US
- Name
- AT&T Enterprises, LLC
- Type
- Education
- Registered
- Mar 5, 2003
- Domain
- att.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
- Apr 2021
- Current origin since
- Apr 2021 · 5.5 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 66.
4. 0. 0/ 15 - Netname
- TEN-NASH-2BL
- Registrant
- State of Tennessee Department of Education
- Organization
- State of Tennessee Department of Education (STDO)
- Org address
- 710 James Robertson Parkway, Nashville, TN, 37243
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-66-4-0-0-1
- Parent
- NET-66-0-0-0-0
- Created
- Aug 24, 2000
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 24, 2000
- Status
- assigned
Report abuse
Abuse contact
- jason.
jarrett@ tn. gov - Name
- Jarrett, Jason
- Phone
- +1-615-946-2202
- Handle
- JARRE19-ARIN