Data as of Nov 4, 2026
72.4.143.0/24
No anonymizer space · no proxy exits in 30 daysNtirety, Inc. · space held by HDC/HW Enterprise, LLC
Announcement
this exact prefix
No RPKI
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin May 2026
from AS18447 Ntirety, Inc.
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 |
|---|---|---|---|---|---|---|
| 72.4.128.0 - 72.4.175.255 | 12,288 | AFFINITY-1 | HDC/HW Enterprise, LLC (WCP32) · US | Direct Allocation | Nov 17, 2004 | [email protected] |
| └ 72.4.143.0/24 | 256 | FLXCLD-72-4-143-0 | Hostway Corporation (HSWY) · US | Reassigned | Sep 20, 2009 | [email protected] |
Network & registry
Registry
Holder
- Organization
- HDC/HW Enterprise, LLC
- Handle
- WCP32
- Range
- 72.4.128.0 - 72.4.175.255
- Registration type
- Direct Allocation
- Record created
- Nov 17, 2004
Origin network
AS3064
US
- Name
- Ntirety, Inc.
- Type
- Hosting
- Registered
- Oct 29, 1993
- Domain
- affinity.com
- Website
- www.affinity.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Apr 2023
- Current origin since
- May 2026 · 5 mo
- Origin networks
- 2
- Last change of origin
- May 2026
Recorded history
History
- Handoffs
- 1
- Also announced by
- 18447
Whois
Registration for this announcement
- Range
- 72.4.143.0/24
- Netname
- FLXCLD-72-4-143-0
- Registrant
- Hostway Corporation
- Organization
- Hostway Corporation (HSWY)
- Org address
- 20 N. Wacker Dr. Suite 1000, Chicago, IL, 60606
- Org country
- US
- Type
- Reassigned
- Handle
- NET-72-4-143-0-1
- Parent
- NET-72-4-128-0-1
- Created
- Sep 20, 2009
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 17, 2004
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse Department
- Phone
- +1-312-238-0125
- Handle
- ABUSE393-ARIN