Data as of Nov 14, 2026
63.203.64.0/19
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 63.203.87.0/24 since Sep 2014 | AS393508 | Residential | AT&T Enterprises, LLC |
Network & registry
Announced by
Covering announcement 63.192.0.0/12
- Prefix
- 63.192.0.0/12
- Announced by
- AS7018 AT&T Enterprises, LLC
- Type
- Residential
- Proxy exits
- 313
- Always-on exits
- 42
- RPKI
- No RPKI
- Netname
- SBCIS-SIS80
- Registrant
- AT&T Enterprises, LLC
- RIR
- ARIN
Origin network
AS7018
US
- Name
- AT&T Enterprises, LLC
- Type
- Internet provider
- Registered
- Jul 30, 1996
- Domain
- att.com
- Website
- www.att.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 63.192.0.0/12
63.192.0.0/12
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Oct 2013 · 13 yr
- Origin networks
- 2
- Last change of origin
- Oct 2013
Recorded history
History
- Handoffs
- 1
IRR
Route objects on 63.192.0.0/12
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7132 not the origin | RADB | ARIN Allocation | MAINT-AS7132 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 63.
192. 0. 0/ 12 - Netname
- SBCIS-SIS80
- Registrant
- AT&T Enterprises, LLC
- Organization
- AT&T Enterprises, LLC (AEL-360)
- Org address
- 208 S. Akard St., Dallas, TX, 75202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-63-192-0-0-1
- Parent
- NET-63-0-0-0-0
- Created
- May 10, 1999
- RIR
- ARIN
- Country
- US
- Delegated
- May 10, 1999
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN