Data as of Nov 15, 2026
208.63.128.0/20
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 208.60.0.0/14 | AS6389 | Residential | 23 4 always on | AT&T Enterprises, LLC |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 208.63.128.0/24 since May 2005 | AS19957 | Business | AT&T Enterprises, LLC | |
| 208.63.129.0/24 since Jul 2021 | AS19957 | Business | 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 |
|---|---|---|---|---|---|---|
| 208.60.0.0/14 | 262,144 | BELLSNET-BLK7 | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Aug 30, 1999 | abuse@ |
| └ 208.63.128.0/20 | 4,096 | 208-63-128-0-20 | State of Tennessee-Nettn (ST-1700) · US | Reassigned | Feb 12, 2025 | — |
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 208.
60. 0. 0/ 14 - Registration type
- Direct Allocation
- Record created
- Aug 30, 1999
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
- Jun 2025
- Current origin since
- Jun 2025 · 1.4 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 208.
63. 128. 0/ 20 - Netname
- 208-63-128-0-20
- Registrant
- State of Tennessee-Nettn
- Organization
- State of Tennessee-Nettn (ST-1700)
- Org address
- 333 Commerce Street, Nashville, TN, 37201
- Org country
- US
- Type
- Reassigned
- Handle
- NET-208-63-128-0-1
- Parent
- NET-208-60-0-0-1
- Created
- Feb 12, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 30, 1999
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN