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.
2026-10-26ARIN+ AddApparent reissuance of previously removed resourceStrong inference
ARIN-Issued
Add 143.203.88.0-143.203.91.255
Inventory
Likely issued from ARIN-controlled inventory
No transfer record matches. ARIN's statistics show it reserved on 2026-10-25 and allocated (dated 2026-10-26) on 2026-10-27. The tracker saw this range released from hold on 2026-10-02 (143.203.64.0-143.203.127.255), so it appears to have been issued again from ARIN's pool.
Evidence (3) · classifier 1.4.0,
ARIN-IssuedARIN-Issued report for 2026-10-26: "Add 143.203.88.0-143.203.91.255"source · retrieved
BeforeARIN delegated statistics 2026-10-25 (produced 2026-10-25T13:00:21+00:00), before the report: reservedsource · retrieved
AfterARIN delegated statistics 2026-10-27 (produced 2026-10-27T13:00:21+00:00), after the report: allocated (dated 2026-10-26)source · retrieved
2026-10-26ARIN− RemoveChange to ARIN's own pool recordStrong inference
ARIN-Issued
Remove 143.203.88.0-143.203.91.255
Inventory
Part of the issuance reported the same day
ARIN's statistics show it reserved on 2026-10-25 and allocated (dated 2026-10-26) on 2026-10-27. ARIN removed its own pool record for this range as part of issuing it: the same report adds 143.203.88.0-143.203.91.255. The issuance is explained on that line.
Evidence (3) · classifier 1.4.0,
ARIN-IssuedARIN-Issued report for 2026-10-26: "Remove 143.203.88.0-143.203.91.255"source · retrieved
BeforeARIN delegated statistics 2026-10-25 (produced 2026-10-25T13:00:21+00:00), before the report: reservedsource · retrieved
AfterARIN delegated statistics 2026-10-27 (produced 2026-10-27T13:00:21+00:00), after the report: allocated (dated 2026-10-26)source · retrieved