Data as of Nov 7, 2026
75.0.21.0/24
No anonymizer space · no proxy exits in 30 daysPathfinders USA Inc. · space held by AT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 75.0.0.0/15 since Dec 2017 | AS7018 | Residential | 1,315 48 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 |
|---|---|---|---|---|---|---|
| 75.0.0.0/15 | 131,072 | SBCIS-SBIS-6BLK | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Feb 28, 2006 | abuse@ |
| └ 75.0.21.0/24 | 256 | SBC07500002100024060509164054 | Performance Computing IAF 1139722.750 (C01348609) · US | Reassigned | May 9, 2006 | abuse@ via SBCIS-SBIS-6BLK |
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
- 75.
0. 0. 0/ 15 - Registration type
- Direct Allocation
- Record created
- Feb 28, 2006
Origin network
AS54221
US
- Name
- Pathfinders USA Inc.
- Type
- Internet provider
- Registered
- Sep 11, 2020
- Domain
- rango.net
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jan 2017
- Current origin since
- Nov 2020 · 6.0 yr
- Origin networks
- 2
- Last change of origin
- Nov 2020
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 75.
0. 21. 0/ 24 - Netname
- SBC07500002100024060509164054
- Registrant
- Performance Computing IAF 1139722.750
- Organization
- Performance Computing IAF 1139722.750 (C01348609)
- Type
- Reassigned
- Handle
- NET-75-0-21-0-1
- Parent
- NET-75-0-0-0-1
- Created
- May 9, 2006
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 28, 2006
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN