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.
2012-04-17RIPE NCCReleasedReleased from hold (the RIPE NCC lists it as 'available')Strong inference
Statistics
193.0.128.0 - 193.0.223.255 reserved on 2012-04-16, available on 2012-04-17
Inventory
The RIPE NCC's statistics now list it as 'available'; reissue not confirmed
The RIPE NCC's statistics show it reserved on 2012-04-16 and available on 2012-04-17. The RIPE NCC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2012-01-18, 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: 193.0.128.0 - 193.0.223.255 reserved on 2012-04-16, available on 2012-04-17source · retrieved
BeforeRIPE NCC delegated statistics 2012-04-16 (produced 2012-04-16T21:59:59+00:00), before the change: reservedsource · retrieved
AfterRIPE NCC delegated statistics 2012-04-17 (produced 2012-04-17T21:59:59+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
2012-01-18RIPE NCC− DeregisteredRemoved (return, revocation or reclamation not publicly distinguishable)Strong inference
Statistics
193.0.128.0 - 193.0.223.255 assigned on 2012-01-17, reserved on 2012-01-18
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 assigned (dated 1999-02-26) on 2012-01-17 and reserved on 2012-01-18. 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: 193.0.128.0 - 193.0.223.255 assigned on 2012-01-17, reserved on 2012-01-18source · retrieved
BeforeRIPE NCC delegated statistics 2012-01-17 (produced 2012-01-17T22:59:59+00:00), before the change: assigned (dated 1999-02-26)source · retrieved
AfterRIPE NCC delegated statistics 2012-01-18 (produced 2012-01-18T22:59:59+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
Servicio Informatico y Mantenimiento Tecnologico, S.L. RIPE NCC
AVATEL TELECOM, SA RIPE NCC
RIPE NCC
Resource transfer
193.0.164.0/23
Servicio Informatico y Mantenimiento Tecnologico, S.L. RIPE NCC
AVATEL TELECOM, SA RIPE NCC
RIPE NCC
Resource transfer
193.0.160.0/24
Sizmek DSP, Inc. RIPE NCC
Zeta Global Corp. RIPE NCC
RIPE NCC
Merger acquisition
193.0.152.0/22
Tele-K Ltd. RIPE NCC
Firma Svyaz Ltd. RIPE NCC
RIPE NCC
Resource transfer
193.0.200.0/22
NTX Technologies s.r.o. RIPE NCC
Network Management Ltd RIPE NCC
RIPE NCC
Merger acquisition
193.0.222.0/24
SFIH CONSULTING AS RIPE NCC
Holder Fast Infrastruktur AS RIPE NCC
RIPE NCC
Merger acquisition
193.0.145.0/24
Federal State Unitary Enterprise CentrInform RIPE NCC
JSC CentrInform RIPE NCC
RIPE NCC
Resource transfer
193.0.142.0/23
WebCraft LLC RIPE NCC
Webcraft LLC RIPE NCC
RIPE NCC
Resource transfer
193.0.180.0/22
Swissbackup AG RIPE NCC
RedShield Security Ltd RIPE NCC
RIPE NCC
Resource transfer
193.0.200.0/22
MediaServicePlus LLC RIPE NCC
NTX Technologies s.r.o. RIPE NCC
RIPE NCC
Resource transfer
193.0.190.0/24
SENSITIVE LINE S.R.L. RIPE NCC
S.C. GVM SISTEM 2003 S.R.L. RIPE NCC
RIPE NCC
Resource transfer
193.0.168.0/23
Sky Telecom, LLC RIPE NCC
Electron-Service Ltd. RIPE NCC
RIPE NCC
Resource transfer
193.0.189.0/24
Proper Support LLP RIPE NCC
TV SAT 2002 SRL RIPE NCC
RIPE NCC
Resource transfer
193.0.216.0 - 193.0.221.255
Tisa Ltd RIPE NCC
PJSC "Industrial Media Network" RIPE NCC
RIPE NCC
Resource transfer
193.0.184.0/24
NTS Ltd. RIPE NCC
Individual Entrepreneur Ilyina Svetlana RIPE NCC
RIPE NCC
Resource transfer
193.0.196.0/23
Zameknet s.c. Bartosz Bachowski, Michal Hankus RIPE NCC
ETTH Bartosz Bachowski 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.