Transferred out of ARIN administration; not offered to ARIN applicants
Timeline (1)
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.
2025-05-20ARINTransfer logInter-RIR transfer out of ARINConfirmed
Transfer log
Transfer: IBM (ARIN) to Microsoft Limited (RIPE NCC)
9.0.0.0/8: the rest of the block stayed with the seller
Inventory
Transferred out of ARIN administration; not offered to ARIN applicants
ARIN's transfer log records a transfer from IBM (ARIN) to Microsoft Limited (RIPE NCC) on 2025-05-20 13:05 UTC: it left ARIN for the RIPE NCC. It is not a new allocation and is not offered to ARIN applicants.
Evidence (3) · classifier 1.4.0,
Transfer logTransfer log: RESOURCE_TRANSFER on 2025-05-20 13:05 UTC, IBM (ARIN) to Microsoft Limited (RIPE NCC); resources moved: 9.193.0.0/16source · retrieved
BeforeARIN delegated statistics 2025-05-19 (produced 2025-05-19T13:01:09+00:00), before the report: allocated (dated 1988-12-16)source · retrieved
AfterARIN delegated statistics 2025-05-21 (produced 2025-05-21T13:01:11+00:00), after the report: not listedsource · retrieved
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.