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.
Transfer: Melchior Dirk Frederik Aelmans (RIPE NCC) to Terrence de Kat (RIPE NCC)
From
Melchior Dirk Frederik Aelmans RIPE NCC
To
Terrence de Kat RIPE NCC
Inventory
No effect on RIPE NCC applicant inventory
The RIPE NCC's transfer log records a transfer from Melchior Dirk Frederik Aelmans (RIPE NCC) to Terrence de Kat (RIPE NCC) on 2025-11-06 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC.
Evidence (3) · classifier 1.4.0,
Transfer logTransfer log: RESOURCE_TRANSFER on 2025-11-06 19:00 UTC, Melchior Dirk Frederik Aelmans (RIPE NCC) to Terrence de Kat (RIPE NCC); resources moved: 91.217.235.0/24source · retrieved
BeforeRIPE NCC delegated statistics 2025-11-05 (produced 2025-11-05T22:59:59+00:00), before the change: assigned (dated 2010-09-21)source · retrieved
AfterRIPE NCC delegated statistics 2025-11-06 (produced 2025-11-06T22:59:59+00:00), after the change: assigned (dated 2010-09-21)source · retrieved
Classification history for this change (4 versions)
Transfer: VOF XL-Data (RIPE NCC) to Melchior Dirk Frederik Aelmans (RIPE NCC)
From
VOF XL-Data RIPE NCC
To
Melchior Dirk Frederik Aelmans RIPE NCC
Inventory
No effect on RIPE NCC applicant inventory
The RIPE NCC's transfer log records a transfer from VOF XL-Data (RIPE NCC) to Melchior Dirk Frederik Aelmans (RIPE NCC) on 2019-10-10 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC.
Evidence (3) · classifier 1.4.0,
Transfer logTransfer log: RESOURCE_TRANSFER on 2019-10-10 19:00 UTC, VOF XL-Data (RIPE NCC) to Melchior Dirk Frederik Aelmans (RIPE NCC); resources moved: 91.217.235.0/24source · retrieved
BeforeRIPE NCC delegated statistics 2019-10-09 (produced 2019-10-09T21:59:59+00:00), before the change: assigned (dated 2010-09-21)source · retrieved
AfterRIPE NCC delegated statistics 2019-10-10 (produced 2019-10-10T21:59:59+00:00), after the change: assigned (dated 2010-09-21)source · retrieved
Classification history for this change (4 versions)
: Intra-RIPE NCC transfer, confirmed (classifier 1.4.0) current
2010-09-22RIPE NCC+ RegisteredApparent new issuanceStrong inference
Statistics
91.217.235.0/24 available on 2010-09-21, assigned on 2010-09-22
Inventory
Likely issued from RIPE NCC-controlled inventory
No transfer record matches. The RIPE NCC's statistics show it available on 2010-09-21 and assigned (dated 2010-09-21) on 2010-09-22. It moved from the RIPE NCC's unissued pool to an active registration dated around that day, so it appears to be newly issued by the RIPE NCC.
Evidence (3) · classifier 1.4.0,
StatisticsFound by comparing the RIPE NCC's daily statistics: 91.217.235.0/24 available on 2010-09-21, assigned on 2010-09-22source · retrieved
BeforeRIPE NCC delegated statistics 2010-09-21, before the change: availablesource · retrieved
AfterRIPE NCC delegated statistics 2010-09-22, after the change: assigned (dated 2010-09-21)source · retrieved
Classification history for this change (4 versions)
: Apparent new issuance, strong inference (classifier 1.3.0)
: Apparent new issuance, strong inference (classifier 1.3.1)
: Apparent new issuance, strong inference (classifier 1.3.2)
: Apparent new issuance, strong inference (classifier 1.4.0) current
Transfer records (2)
Date (UTC)
Log
Type
Range moved
From
To
RIPE NCC
Resource transfer
91.217.235.0/24
Melchior Dirk Frederik Aelmans RIPE NCC
Terrence de Kat RIPE NCC
RIPE NCC
Resource transfer
91.217.235.0/24
VOF XL-Data RIPE NCC
Melchior Dirk Frederik Aelmans RIPE NCC
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.