Data as of Nov 7, 2026
170.143.0.0/16
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC · space held by State of Tennessee
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 170.143.0.0/17 since May 2005 | AS4454 | Business | State of Tennessee | |
| 170.143.0.0/18 since May 2006 | AS4454 | Business | State of Tennessee | |
| 170.143.64.0/18 since Dec 2015 | AS4454 | Business | State of Tennessee | |
| 170.143.128.0/17 since May 2005 | AS4454 | Business | State of Tennessee | |
| 170.143.128.0/18 since Dec 2015 | AS4454 | Business | State of Tennessee | |
| 170.143.192.0/18 since May 2006 | AS4454 | Business | State of Tennessee |
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
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2010
- Current origin since
- Aug 2016 · 10 yr
- Origin networks
- 2
- Last change of origin
- Sep 2017
Recorded history
History
- Handoffs
- 3
Whois
Registration for this announcement
- Range
- 170.
141. 0. 0 - 170. 143. 255. 255 - Netname
- TNNET
- Registrant
- State of Tennessee
- Organization
- State of Tennessee (TENN)
- Org address
- Strategic Technology Solutions, Nashville, TN, 37243
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-170-141-0-0-1
- Parent
- NET-170-0-0-0-0
- Created
- Apr 29, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 29, 1994
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN