rirtracker

IPv4 range · 1,024 addresses

66.150.72.0/22

Now

ARIN statistics
Allocated (dated 2026-10-20) (US), in the latest file
Registry
ARIN
Holder
Aristotelian Network Solutions, INC. ANS-215
From
RDAP, looked up 2026-10-29 18:18 UTC

Latest change

+ Add Intra-ARIN transfer

Reported
2026-10-20 (ARIN)
Confidence
Confirmed
Inventory
No effect on ARIN applicant inventory

Timeline (2)

Every change the tracker has found, newest first. It covers ARIN from 2008-12-01, the RIPE NCC from 2010-04-23, APNIC from 2008-02-15, LACNIC from 2012-06-29 and AFRINIC from 2012-10-03.

2026-10-20 ARIN + Add Intra-ARIN transfer Confirmed
ARIN-Issued
Add 66.150.72.0-66.150.75.255
From
PF IPV4 Borrower, LLC ARIN
To
Aristotelian Network Solutions, INC. ARIN
Inventory
No effect on ARIN applicant inventory

ARIN's transfer log records a transfer from PF IPV4 Borrower, LLC (ARIN) to Aristotelian Network Solutions, INC. (ARIN) on 2026-10-20 12:48 UTC. ARIN-Issued lists it as "Add" because the registration changed hands; it is not a new allocation from ARIN.

Evidence (4) · classifier 1.4.0,
  1. ARIN-Issued ARIN-Issued report for 2026-10-20: "Add 66.150.72.0-66.150.75.255" source · retrieved
  2. Transfer log Transfer log: RESOURCE_TRANSFER on 2026-10-20 12:48 UTC, PF IPV4 Borrower, LLC (ARIN) to Aristotelian Network Solutions, INC. (ARIN); resources moved: 66.150.72.0/22 source · retrieved
  3. Before ARIN delegated statistics 2026-10-19 (produced 2026-10-19T13:00:21+00:00), before the report: allocated (dated 2001-07-13) source · retrieved
  4. After ARIN delegated statistics 2026-10-21 (produced 2026-10-21T13:00:21+00:00), after the report: allocated (dated 2026-10-20) source · retrieved
2026-03-26 ARIN Transfer log Merger/acquisition or reorganization Confirmed
Transfer log
Merger/acquisition: Unitas Global (ARIN) to PF IPV4 Borrower, LLC (ARIN)
From
Unitas Global ARIN
To
PF IPV4 Borrower, LLC ARIN
Piece of
66.150.0.0/15: the rest of the block stayed with the seller
Inventory
No effect on ARIN applicant inventory

ARIN's transfer log records a merger, acquisition or reorganization from Unitas Global (ARIN) to PF IPV4 Borrower, LLC (ARIN) on 2026-03-26 22:23 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.

Evidence (3) · classifier 1.4.0,
  1. Transfer log Transfer log: MERGER_ACQUISITION on 2026-03-26 22:23 UTC, Unitas Global (ARIN) to PF IPV4 Borrower, LLC (ARIN); resources moved: 66.150.72.0/22 source · retrieved
  2. Before ARIN delegated statistics 2026-03-25 (produced 2026-03-25T13:00:51+00:00), before the report: allocated (dated 2001-07-13) source · retrieved
  3. After ARIN delegated statistics 2026-03-27 (produced 2026-03-27T13:00:49+00:00), after the report: allocated (dated 2001-07-13) source · retrieved

Changes to overlapping ranges

DateRegistryRangeRecorded asWhat happened
2023-01-23ARIN66.150.0.0/15Transfer logMerger/acquisition
2018-11-29ARIN66.150.0.0/15Transfer logMerger/acquisition

Transfer records (4)

Date (UTC)LogTypeRange movedFromTo
ARINResource transfer66.150.72.0/22 PF IPV4 Borrower, LLC ARINAristotelian Network Solutions, INC. ARIN
ARINMerger acquisition66.150.72.0/22 Unitas Global ARINPF IPV4 Borrower, LLC ARIN
ARINMerger acquisition66.150.0.0/15 Internap Holding LLC ARINUnitas Global ARIN
ARINMerger acquisition66.150.0.0/15 Internap Network Services Corporation ARINInternap Corporation ARIN

Every record in the ARIN, RIPE NCC, APNIC, LACNIC and AFRINIC transfer logs that moved any part of this IPv4 range (ARIN's from 2009, the RIPE NCC's from 2012, APNIC's from 2010, LACNIC's from 2016, AFRINIC's from 2018). A transfer between two registries is in both logs.

RDAP lookups

Looked upWhyRegistryHandleOrganizationStatusLast changed
After 7 days ARINNET-66-150-72-0-2Aristotelian Network Solutions, INC. ANS-215active2026-10-20
After 24 hours ARINNET-66-150-72-0-2Aristotelian Network Solutions, INC. ANS-215active2026-10-20
First seen ARINNET-66-150-72-0-2Aristotelian Network Solutions, INC. ANS-215active2026-10-20

Organization-level details only; contact details are never kept. RDAP shows the registration when it was looked up, not in the past.

This page as data: ip/66.150.72.0-66.150.75.255.json