Data as of Nov 7, 2026
192.156.133.0/24
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC · space held by IBM
Network & registry
Origin network
AS2386
US
- Name
- AT&T Enterprises, LLC
- Type
- Internet provider
- Registered
- Feb 3, 1993
- Domain
- att.com
- Website
- qsun.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
- Nov 2007
- Current origin since
- Nov 2007 · 19 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 192.
156. 133. 0/ 24 - Netname
- IBM-IRAD-DMZ
- Registrant
- IBM
- Organization
- IBM (IBM-1-Z)
- Org address
- 3039 Cornwallis Road, Research Triangle Park, NC, 27709-2195
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-192-156-133-0-1
- Parent
- NET-192-0-0-0-0
- Created
- Apr 15, 1992
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 15, 1992
- Status
- assigned
Report abuse
Abuse contact
- ipreg@
us. ibm. com - Name
- Registrar Authority, Internet numbers
- Phone
- +1-800-426-7378
- Handle
- RAIN-ARIN