143.203.220.0/22: ARIN registration changes, transfers and evidence

Now

ARIN statistics: Allocated (dated 2026-10-02) on 2026-10-09 (US)
Registry: ARIN
Holder: Not looked up
From: ARIN's statistics for 2026-10-09

Latest change

+ Add Apparent new issuance

Reported: 2026-10-02
Confidence: Strong inference
Inventory: Likely issued from ARIN-controlled inventory

Timeline since 2026-01-01 (1)

2026-10-02 + Add Apparent new issuance Strong inference

ARIN-Issued: Add 143.203.220.0-143.203.223.255
Inventory: Likely issued from ARIN-controlled inventory

No transfer record matches. ARIN's statistics show it reserved on 2026-10-01 and allocated (dated 2026-10-02) on 2026-10-03. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN.

Evidence (3) · classifier 1.0.0, 2026-10-09 19:28 UTC

ARIN-Issued ARIN-Issued report for 2026-10-02: "Add 143.203.220.0-143.203.223.255" source · retrieved 2026-10-09 18:54 UTC
Before ARIN delegated statistics 2026-10-01 (produced 2026-10-01T13:00:21+00:00), before the report: reserved source · retrieved 2026-10-09 19:08 UTC
After ARIN delegated statistics 2026-10-03 (produced 2026-10-03T13:00:22+00:00), after the report: allocated (dated 2026-10-02) source · retrieved 2026-10-09 19:08 UTC

Changes to overlapping ranges

Date	Range	ARIN action	What happened
2026-10-02	143.203.192.0/19	− Remove	ARIN pool record

Date

Range

ARIN action

What happened

2026-10-02

143.203.192.0/19

− Remove

ARIN pool record

Transfer records

ARIN's transfer log has no transfer of any part of this IPv4 range.

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/143.203.220.0-143.203.223.255.json