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.
2017-05-16RIPE NCC− DeregisteredRemoved (return, revocation or reclamation not publicly distinguishable)Strong inference
Statistics
91.230.110.0/24 assigned on 2017-05-15, reserved on 2017-05-16
Inventory
Possible future reissue candidate after hold
Hold estimate
Estimated hold end 2017-11-12. Possible reissue candidate after this date; not confirmed available.
Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 2011-07-11) on 2017-05-15 and reserved on 2017-05-16. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv4 space for 180 days (six months), or longer while still routed, before reissuing it, so the estimated hold end is 2017-11-12. This does not confirm availability.
Evidence (3) · classifier 1.4.0,
StatisticsFound by comparing the RIPE NCC's daily statistics: 91.230.110.0/24 assigned on 2017-05-15, reserved on 2017-05-16source · retrieved
BeforeRIPE NCC delegated statistics 2017-05-15 (produced 2017-05-15T21:59:59+00:00), before the change: assigned (dated 2011-07-11)source · retrieved
AfterRIPE NCC delegated statistics 2017-05-16 (produced 2017-05-16T21:59:59+00:00), after the change: reservedsource · retrieved
Classification history for this change (4 versions)
: Removed (return, revocation or reclamation not publicly distinguishable), strong inference (classifier 1.3.0)
: Removed (return, revocation or reclamation not publicly distinguishable), strong inference (classifier 1.3.1)
: Removed (return, revocation or reclamation not publicly distinguishable), strong inference (classifier 1.3.2)
: Removed (return, revocation or reclamation not publicly distinguishable), strong inference (classifier 1.4.0) current
2011-07-11RIPE NCC+ RegisteredApparent new issuanceStrong inference
Statistics
91.230.110.0/24 available on 2011-07-10, assigned on 2011-07-11
Inventory
Likely issued from RIPE NCC-controlled inventory
No transfer record matches. The RIPE NCC's statistics show it available on 2011-07-10 and assigned (dated 2011-07-11) on 2011-07-11. 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: 91.230.110.0/24 available on 2011-07-10, assigned on 2011-07-11source · retrieved
BeforeRIPE NCC delegated statistics 2011-07-10 (produced 2011-07-10T21:59:59+00:00), before the change: availablesource · retrieved
AfterRIPE NCC delegated statistics 2011-07-11 (produced 2011-07-11T21:59:59+00:00), after the change: assigned (dated 2011-07-11)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
Buechele Netroute Consulting UG (haftungsbeschraenkt) RIPE NCC
TerraTransit AG 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.