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.
2026-04-29APNIC+ RegisteredApparent new issuanceStrong inference
Statistics
AS153811 available on 2026-04-29, allocated on 2026-04-30
Inventory
Likely issued from APNIC-controlled inventory
No transfer record matches. APNIC's statistics show it available on 2026-04-29 and allocated (dated 2026-04-29) on 2026-04-30. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC.
Evidence (3) · classifier 1.4.0,
StatisticsFound by comparing APNIC's daily statistics: AS153811 available on 2026-04-29, allocated on 2026-04-30source · retrieved
BeforeAPNIC delegated statistics 2026-04-29, before the change: availablesource · retrieved
AfterAPNIC delegated statistics 2026-04-30, after the change: allocated (dated 2026-04-29)source · retrieved
Classification history for this change (5 versions)
: Apparent new issuance, strong inference (classifier 1.4.0) current
2026-04-23APNICReleasedReleased from hold (APNIC lists it as 'available')Strong inference
Statistics
AS153811 reserved on 2026-04-23, available on 2026-04-24
Inventory
APNIC's statistics now list it as 'available'; reissue not confirmed
APNIC's statistics show it reserved on 2026-04-23 and available on 2026-04-24. APNIC moved it from its reserved (held) records to the status it calls 'available'. That is APNIC's own label: whether and when it is reissued is not confirmed.
Evidence (3) · classifier 1.4.0,
StatisticsFound by comparing APNIC's daily statistics: AS153811 reserved on 2026-04-23, available on 2026-04-24source · retrieved
BeforeAPNIC delegated statistics 2026-04-23, before the change: reservedsource · retrieved
AfterAPNIC delegated statistics 2026-04-24, after the change: availablesource · retrieved
Classification history for this change (5 versions)
: Released from hold (APNIC lists it as 'available'), strong inference (classifier 1.2.0)
: Released from hold (APNIC lists it as 'available'), strong inference (classifier 1.3.0)
: Released from hold (APNIC lists it as 'available'), strong inference (classifier 1.3.1)
: Released from hold (APNIC lists it as 'available'), strong inference (classifier 1.3.2)
: Released from hold (APNIC lists it as 'available'), strong inference (classifier 1.4.0) current
No transfer log has a transfer of any part of this ASN.
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.