rirtracker

IPv4 range · 65,536 addresses

143.255.0.0/16

Now

LACNIC statistics
Allocated (66 records, dated 2015-11-06 to 2020-07-16) (AR, BR, CL, CR, EC, HN, MX, PA, PY, VE), 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
2014-04-23 (LACNIC)
Confidence
Strong inference
Inventory
LACNIC's statistics now list it as 'available'; reissue not confirmed

Timeline (1)

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.

2014-04-23 LACNIC Released Released from hold (LACNIC lists it as 'available') Strong inference
Statistics
143.255.0.0/16 reserved on 2014-04-22, available on 2014-04-23
Inventory
LACNIC's statistics now list it as 'available'; reissue not confirmed

LACNIC's statistics show it reserved on 2014-04-22 and available on 2014-04-23. LACNIC moved it from its reserved (held) records to the status it calls 'available'. 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: 143.255.0.0/16 reserved on 2014-04-22, available on 2014-04-23 source · retrieved
  2. Before LACNIC delegated statistics 2014-04-22, before the change: reserved source · retrieved
  3. After LACNIC delegated statistics 2014-04-23, 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

Changes to overlapping ranges

DateRegistryRangeRecorded asWhat happened
2026-06-22LACNIC143.255.230.0/24Transfer logIntra-LACNIC transfer
2024-10-28LACNIC143.255.148.0/22Transfer logIntra-LACNIC transfer
2024-01-16LACNIC143.255.8.0/22Transfer logIntra-LACNIC transfer
2021-09-20LACNIC143.255.112.0/22Transfer logIntra-LACNIC transfer
2020-07-16LACNIC143.255.180.0/22+ RegisteredApparent reissuance
2020-03-17LACNIC143.255.180.0/22ReleasedHold released
2018-03-01LACNIC143.255.180.0/22− DeregisteredRemoved
2015-12-22LACNIC143.255.36.0/22+ RegisteredApparent new issuance
2015-12-18LACNIC143.255.168.0/22+ RegisteredApparent new issuance
2015-12-17LACNIC143.255.168.0/22ReleasedHold released
2015-12-05LACNIC143.255.36.0/22ReleasedHold released
2015-12-02LACNIC143.255.40.0/22+ RegisteredApparent new issuance
2015-12-02LACNIC143.255.140.0/22+ RegisteredApparent new issuance
2015-12-02LACNIC143.255.160.0/22+ RegisteredApparent new issuance
2015-12-02LACNIC143.255.168.0/22ReleasedHold released
2015-12-01LACNIC143.255.140.0/22ReleasedHold released
2015-12-01LACNIC143.255.160.0/22ReleasedHold released
2015-11-27LACNIC143.255.88.0/22+ RegisteredApparent new issuance
2015-11-27LACNIC143.255.212.0/22+ RegisteredApparent new issuance
2015-11-27LACNIC143.255.228.0/22+ RegisteredApparent new issuance
2015-11-27LACNIC143.255.236.0/22+ RegisteredApparent new issuance
2015-11-26LACNIC143.255.80.0/22+ RegisteredApparent new issuance
2015-11-26LACNIC143.255.148.0/22+ RegisteredApparent new issuance
2015-11-26LACNIC143.255.180.0/22+ RegisteredApparent new issuance
2015-11-26LACNIC143.255.240.0/22+ RegisteredApparent new issuance
2015-11-25LACNIC143.255.72.0/22+ RegisteredApparent new issuance
2015-11-25LACNIC143.255.80.0/22ReleasedHold released
2015-11-25LACNIC143.255.88.0/22ReleasedHold released
2015-11-25LACNIC143.255.156.0/22+ RegisteredUnresolved
2015-11-25LACNIC143.255.172.0/22+ RegisteredApparent new issuance
2015-11-24LACNIC143.255.72.0/22ReleasedHold released
2015-11-24LACNIC143.255.224.0/22+ RegisteredApparent new issuance
2015-11-24LACNIC143.255.244.0/22+ RegisteredApparent new issuance
2015-11-24LACNIC143.255.252.0/22+ RegisteredApparent new issuance
2015-11-23LACNIC143.255.28.0/22+ RegisteredApparent new issuance
2015-11-23LACNIC143.255.84.0/22+ RegisteredApparent new issuance
2015-11-23LACNIC143.255.132.0/22+ RegisteredApparent new issuance
2015-11-23LACNIC143.255.204.0/22+ RegisteredApparent new issuance
2015-11-23LACNIC143.255.208.0/22+ RegisteredApparent new issuance
2015-11-23LACNIC143.255.216.0/22+ RegisteredApparent new issuance
2015-11-23LACNIC143.255.220.0/22+ RegisteredApparent new issuance
2015-11-23LACNIC143.255.232.0/22+ RegisteredApparent new issuance
2015-11-23LACNIC143.255.248.0/22+ RegisteredApparent new issuance
2015-11-20LACNIC143.255.28.0/22ReleasedHold released
2015-11-20LACNIC143.255.36.0/22ReleasedHold released
2015-11-20LACNIC143.255.40.0/22ReleasedHold released
2015-11-20LACNIC143.255.152.0/22+ RegisteredApparent new issuance
2015-11-19LACNIC143.255.104.0/22+ RegisteredApparent new issuance
2015-11-19LACNIC143.255.176.0/22+ RegisteredApparent new issuance
2015-11-19LACNIC143.255.184.0/22+ RegisteredApparent new issuance
2015-11-19LACNIC143.255.188.0/22+ RegisteredApparent new issuance
2015-11-19LACNIC143.255.192.0/22+ RegisteredApparent new issuance
2015-11-19LACNIC143.255.196.0/22+ RegisteredApparent new issuance
2015-11-19LACNIC143.255.200.0/22+ RegisteredApparent new issuance
2015-11-18LACNIC143.255.164.0/22+ RegisteredApparent new issuance
2015-11-17LACNIC143.255.56.0/22+ RegisteredApparent new issuance
2015-11-17LACNIC143.255.128.0/22+ RegisteredApparent new issuance
2015-11-17LACNIC143.255.136.0/22+ RegisteredApparent new issuance
2015-11-17LACNIC143.255.144.0/22+ RegisteredApparent new issuance
2015-11-16LACNIC143.255.64.0/22+ RegisteredApparent new issuance

Transfer records (4)

Date (UTC)LogTypeRange movedFromTo
LACNICResource transfer143.255.230.0/24 JOSE RENATO COSTA DOS SANTOS DE NOVA SOURE - ME LACNICGo-Net Telecom LTDA LACNIC
LACNICResource transfer143.255.148.0/22 SPEED NET INFORMATICA LTDA LACNICUNE TELECOM LTDA LACNIC
LACNICResource transfer143.255.8.0/22 JEFERSON DE JESUS SANTOS AMORIM LACNICPROVNET SERVIÇOS DE TELECOMUNICAÇÕES LTDA. LACNIC
LACNICResource transfer143.255.112.0/22 PAINTWEB INTERNET LTDA LACNICSTARWEB TELECOMUNICACOES LTDA 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/143.255.0.0-143.255.255.255.json