Data as of Nov 6, 2026
66.120.31.0/24
No anonymizer space · no proxy exits in 30 daysSupermicro Computer · space held by AT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 66.120.0.0/13 since Nov 2021 | AS7018 | Residential | 630 8 always on | 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 |
|---|---|---|---|---|---|---|
| 66.120.0.0/13 | 524,288 | SBCIS-SIS80 | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | May 1, 2001 | abuse@ |
| └ 66.120.31.0/24 | 256 | SBC06612003100024060731155735 | Super Micro Computer, Inc (C01412844) · US | Reassigned | Jul 31, 2006 | abuse@ via SBCIS-SIS80 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 66.
120. 0. 0/ 13 - Registration type
- Direct Allocation
- Record created
- May 1, 2001
Origin network
AS20066
US
- Name
- Supermicro Computer
- Type
- Business
- Registered
- Jul 24, 2017
- Domain
- supermicro.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jan 2018
- Current origin since
- Jan 2018 · 8.8 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 66.
120. 31. 0/ 24 - Netname
- SBC06612003100024060731155735
- Registrant
- Super Micro Computer, Inc
- Organization
- Super Micro Computer, Inc (C01412844)
- Type
- Reassigned
- Handle
- NET-66-120-31-0-1
- Parent
- NET-66-120-0-0-1
- Created
- Jul 31, 2006
- RIR
- ARIN
- Country
- US
- Delegated
- May 1, 2001
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN