Data as of Nov 13, 2026
63.251.4.0/23
No anonymizer space · no proxy exits in 30 daysPrivateSystems Networks · space held by Unitas Global
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 63.251.0.0/20 since May 2005 | AS14744 | Unknown |
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 |
|---|---|---|---|---|---|---|
| 63. | 3,584 | UG-210 | Unitas Global (UG-210) · US | Direct Allocation | Dec 2, 1999 | abuse@ |
| └ 63.251.4.0/23 | 512 | INAP-SEF003-KNOWNHOST-63-251-4-0 | KnownHost (C08921157) · US | Reassigned | Sep 30, 2022 | abuse@ via UG-210 |
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
- Unitas Global
- Handle
- UG-210
- Range
- 63.
251. 0. 0 - 63. 251. 13. 255 - Registration type
- Direct Allocation
- Record created
- Dec 2, 1999
Origin network
AS63410
US
- Name
- PrivateSystems Networks
- Type
- Hosting
- Registered
- Feb 26, 2015
- Domain
- privatesystems.net
- Website
- privatesystems.net
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2013
- Current origin since
- Mar 2020 · 6.7 yr
- Origin networks
- 2
- Last change of origin
- Mar 2020
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 63.251.5.0/24 | AS63410 | RADB | PNAP-SEF knownhost | MAINT-AS1828 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 63.
251. 4. 0/ 23 - Netname
- INAP-SEF003-KNOWNHOST-63-251-4-0
- Registrant
- KnownHost
- Organization
- KnownHost (C08921157)
- Type
- Reassigned
- Handle
- NET-63-251-4-0-1
- Parent
- NET-63-251-0-0-1
- Created
- Sep 30, 2022
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 2, 1999
- Status
- assigned
Report abuse
Abuse contact
- abuse@
unitasglobal. com - Name
- Network Abuse Reports
- Phone
- +1-213-785-6200
- Handle
- NAR50-ARIN