rirtracker

IPv4 range · 2,048 addresses

177.73.128.0/21

Now

LACNIC statistics
Allocated (dated 2023-07-21), allocated (dated 2023-09-22) (BR), in the latest file
Registry
LACNIC
Holder
Not looked up
From
LACNIC's latest statistics

Latest change

Released Released from hold (LACNIC lists it as 'available')

Reported
2023-07-05 (LACNIC)
Confidence
Strong inference
Inventory
LACNIC'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.

2023-07-05 LACNIC Released Released from hold (LACNIC lists it as 'available') Strong inference
Statistics
177.73.128.0/21 reserved on 2023-07-04, available on 2023-07-05
Inventory
LACNIC's statistics now list it as 'available'; reissue not confirmed

LACNIC's statistics show it reserved on 2023-07-04 and available on 2023-07-05. LACNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2023-01-10, 176 days earlier. That is LACNIC's own label: whether and when it is reissued is not confirmed.

Evidence (3) · classifier 1.4.0,
  1. Statistics Found by comparing LACNIC's daily statistics: 177.73.128.0/21 reserved on 2023-07-04, available on 2023-07-05 source · retrieved
  2. Before LACNIC delegated statistics 2023-07-04, before the change: reserved source · retrieved
  3. After LACNIC delegated statistics 2023-07-05, after the change: available source · retrieved
Classification history for this change (4 versions)
  1. : Released from hold (LACNIC lists it as 'available'), strong inference (classifier 1.3.0)
  2. : Released from hold (LACNIC lists it as 'available'), strong inference (classifier 1.3.1)
  3. : Released from hold (LACNIC lists it as 'available'), strong inference (classifier 1.3.2)
  4. : Released from hold (LACNIC lists it as 'available'), strong inference (classifier 1.4.0) current
2023-01-10 LACNIC − Deregistered Removed (return, revocation or reclamation not publicly distinguishable) Strong inference
Statistics
177.73.128.0/21 assigned on 2023-01-09, reserved on 2023-01-10
Inventory
Possible future reissue candidate after hold
Hold estimate
Estimated hold end 2023-07-10. Possible reissue candidate after this date; not confirmed available.

Removed from active registration. The tracker found it by comparing LACNIC's daily statistics. LACNIC's statistics show it assigned (dated 2011-08-26) on 2023-01-09 and reserved on 2023-01-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. LACNIC holds returned, revoked and reclaimed IPv4 space for 6 calendar months before reissuing it, so the estimated hold end is 2023-07-10. This does not confirm availability.

Evidence (3) · classifier 1.4.0,
  1. Statistics Found by comparing LACNIC's daily statistics: 177.73.128.0/21 assigned on 2023-01-09, reserved on 2023-01-10 source · retrieved
  2. Before LACNIC delegated statistics 2023-01-09, before the change: assigned (dated 2011-08-26) source · retrieved
  3. After LACNIC delegated statistics 2023-01-10, after the change: reserved source · retrieved
Classification history for this change (4 versions)
  1. : Removed (return, revocation or reclamation not publicly distinguishable), strong inference (classifier 1.3.0)
  2. : Removed (return, revocation or reclamation not publicly distinguishable), strong inference (classifier 1.3.1)
  3. : Removed (return, revocation or reclamation not publicly distinguishable), strong inference (classifier 1.3.2)
  4. : Removed (return, revocation or reclamation not publicly distinguishable), strong inference (classifier 1.4.0) current

Changes to overlapping ranges

DateRegistryRangeRecorded asWhat happened
2026-09-09LACNIC177.73.134.0/23Transfer logIntra-LACNIC transfer
2023-09-22LACNIC177.73.128.0/22+ RegisteredApparent reissuance
2023-07-21LACNIC177.73.132.0/22+ RegisteredApparent reissuance

Transfer records (1)

Date (UTC)LogTypeRange movedFromTo
LACNICResource transfer177.73.134.0/23 Tiago Coinaski - Me LACNICMontech Informatica Ltda Me LACNIC

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.

This page as data: ip/177.73.128.0-177.73.135.255.json