The RIPE NCC's statistics now list it as 'available'; reissue not confirmed
Timeline (2)
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.
2011-08-15RIPE NCCReleasedReleased from hold (the RIPE NCC lists it as 'available')Strong inference
Statistics
217.73.48.0/20 reserved on 2011-08-14, available on 2011-08-15
Inventory
The RIPE NCC's statistics now list it as 'available'; reissue not confirmed
The RIPE NCC's statistics show it reserved on 2011-08-14 and available on 2011-08-15. The RIPE NCC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2011-05-17, 90 days earlier. That is the RIPE NCC's own label: whether and when it is reissued is not confirmed.
Evidence (3) · classifier 1.4.0,
StatisticsFound by comparing the RIPE NCC's daily statistics: 217.73.48.0/20 reserved on 2011-08-14, available on 2011-08-15source · retrieved
BeforeRIPE NCC delegated statistics 2011-08-14 (produced 2011-08-14T21:59:59+00:00), before the change: reservedsource · retrieved
AfterRIPE NCC delegated statistics 2011-08-15 (produced 2011-08-15T21:59:59+00:00), after the change: availablesource · retrieved
Classification history for this change (4 versions)
: Released from hold (the RIPE NCC lists it as 'available'), strong inference (classifier 1.3.0)
: Released from hold (the RIPE NCC lists it as 'available'), strong inference (classifier 1.3.1)
: Released from hold (the RIPE NCC lists it as 'available'), strong inference (classifier 1.3.2)
: Released from hold (the RIPE NCC lists it as 'available'), strong inference (classifier 1.4.0) current
2011-05-17RIPE NCC− DeregisteredRemoved (return, revocation or reclamation not publicly distinguishable)Strong inference
Statistics
217.73.48.0/20 allocated on 2011-05-16, available on 2011-05-17
Inventory
Possible future reissue candidate after hold
Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it allocated (dated 2003-08-28) on 2011-05-16 and available on 2011-05-17. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for IPv4 space applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability.
Evidence (3) · classifier 1.4.0,
StatisticsFound by comparing the RIPE NCC's daily statistics: 217.73.48.0/20 allocated on 2011-05-16, available on 2011-05-17source · retrieved
BeforeRIPE NCC delegated statistics 2011-05-16, before the change: allocated (dated 2003-08-28)source · retrieved
AfterRIPE NCC delegated statistics 2011-05-17, after the change: availablesource · 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
Closed Joint Stock Company CROC incorporated RIPE NCC
K2 Integration JSC RIPE NCC
RIPE NCC
Resource transfer
217.73.56.0/21
"Rustelekom" TK Limited Liability Company RIPE NCC
Closed Joint Stock Company CROC incorporated RIPE NCC
RIPE NCC
Resource transfer
217.73.48.0/21
omeco GmbH RIPE NCC
DEMANDO GmbH 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.