rirtracker

IPv4 range · 4,096 addresses

143.55.176.0/20

Now

ARIN statistics
Allocated (dated 2020-07-08) (US), in the latest file
Registry
ARIN
Holder
Rocket Limited Partnership
From
ARIN's latest statistics and the latest transfer record

Latest change

Transfer log Merger/acquisition or reorganization

Reported
2026-02-10 (ARIN)
Confidence
Confirmed
Inventory
No effect on ARIN applicant inventory

Timeline (3)

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.

2026-02-10 ARIN Transfer log Merger/acquisition or reorganization Confirmed
Transfer log
Merger/acquisition: Rocket, LLC (ARIN) to Rocket Limited Partnership (ARIN)
From
Rocket, LLC ARIN
To
Rocket Limited Partnership ARIN
Inventory
No effect on ARIN applicant inventory

ARIN's transfer log records a merger, acquisition or reorganization from Rocket, LLC (ARIN) to Rocket Limited Partnership (ARIN) on 2026-02-10 23:01 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 2026-02-10 23:01 UTC, Rocket, LLC (ARIN) to Rocket Limited Partnership (ARIN); resources moved: 143.55.176.0/20 source · retrieved
  2. Before ARIN delegated statistics 2026-02-09 (produced 2026-02-09T14:00:51+00:00), before the report: allocated (dated 2020-07-08) source · retrieved
  3. After ARIN delegated statistics 2026-02-11 (produced 2026-02-11T14:00:50+00:00), after the report: allocated (dated 2020-07-08) source · retrieved
2025-03-03 ARIN Transfer log Merger/acquisition or reorganization Confirmed
Transfer log
Merger/acquisition: Quicken Loans, LLC (ARIN) to Rocket, LLC (ARIN)
From
Quicken Loans, LLC ARIN
To
Rocket, LLC ARIN
Inventory
No effect on ARIN applicant inventory

ARIN's transfer log records a merger, acquisition or reorganization from Quicken Loans, LLC (ARIN) to Rocket, LLC (ARIN) on 2025-03-03 19:20 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 2025-03-03 19:20 UTC, Quicken Loans, LLC (ARIN) to Rocket, LLC (ARIN); resources moved: 143.55.176.0/20 source · retrieved
  2. Before ARIN delegated statistics 2025-03-02 (produced 2025-03-02T14:01:06+00:00), before the report: allocated (dated 2020-07-08) source · retrieved
  3. After ARIN delegated statistics 2025-03-04 (produced 2025-03-04T14:01:06+00:00), after the report: allocated (dated 2020-07-08) source · retrieved
2020-07-08 ARIN + Add Intra-ARIN transfer Confirmed
ARIN-Issued
Add 143.55.176.0-143.55.191.255
From
Fashion Institute of Technology ARIN
To
Quicken Loans, LLC ARIN
Piece of
143.55.0.0/16: the rest of the block stayed with the seller
Inventory
No effect on ARIN applicant inventory

ARIN's transfer log records a transfer from Fashion Institute of Technology (ARIN) to Quicken Loans, LLC (ARIN) on 2020-07-08 20:44 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 2020-07-08: "Add 143.55.176.0-143.55.191.255" source · retrieved
  2. Transfer log Transfer log: RESOURCE_TRANSFER on 2020-07-08 20:44 UTC, Fashion Institute of Technology (ARIN) to Quicken Loans, LLC (ARIN); resources moved: 143.55.176.0/20 source · retrieved
  3. Before ARIN delegated statistics 2020-07-07 (produced 2020-07-07T14:00:13+00:00), before the report: assigned (dated 1990-08-28) source · retrieved
  4. After ARIN delegated statistics 2020-07-09 (produced 2020-07-09T14:00:13+00:00), after the report: assigned (dated 2020-07-08) source · retrieved
Classification history for this change (4 versions)
  1. : Intra-ARIN transfer, confirmed (classifier 1.3.0)
  2. : Intra-ARIN transfer, confirmed (classifier 1.3.1)
  3. : Intra-ARIN transfer, confirmed (classifier 1.3.2)
  4. : Intra-ARIN transfer, confirmed (classifier 1.4.0) current

Transfer records (3)

Date (UTC)LogTypeRange movedFromTo
ARINMerger acquisition143.55.176.0/20 Rocket, LLC ARINRocket Limited Partnership ARIN
ARINMerger acquisition143.55.176.0/20 Quicken Loans, LLC ARINRocket, LLC ARIN
ARINResource transfer143.55.176.0/20 Fashion Institute of Technology ARINQuicken Loans, LLC 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

Not looked up. The tracker queries RDAP for changes as they're reported (on first sight, after 24 hours and after seven days); older changes aren't looked up because today's RDAP says nothing about the past.

This page as data: ip/143.55.176.0-143.55.191.255.json