rirtracker

IPv4 range · 2,048 addresses

204.89.16.0/21

Now

ARIN statistics
Allocated (dated 2017-09-08), allocated (dated 2017-09-11), allocated (dated 2017-09-13), allocated (dated 2017-10-24) (US), in the latest file
Registry
ARIN
Holder
Not looked up
From
ARIN's latest statistics

Latest change

− Remove No substantive resource change found

Reported
2015-04-01 (ARIN)
Confidence
Strong inference
Inventory
No effect on ARIN applicant inventory

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.

2015-04-01 ARIN − Remove No substantive resource change found Strong inference
ARIN-Issued
Remove 204.89.16.0-204.89.23.255
Inventory
No effect on ARIN applicant inventory

ARIN-Issued lists it as "Remove", but ARIN's statistics show the same record before and after (reserved).

Evidence (3) · classifier 1.4.0,
  1. ARIN-Issued ARIN-Issued report for 2015-04-01: "Remove 204.89.16.0-204.89.23.255" source · retrieved
  2. Before ARIN delegated statistics 2015-03-31 (produced 2015-03-31T05:05:00+00:00), before the report: reserved source · retrieved
  3. After ARIN delegated statistics 2015-04-02 (produced 2015-04-02T05:05:37+00:00), after the report: reserved source · retrieved
Classification history for this change (4 versions)
  1. : No substantive resource change found, strong inference (classifier 1.3.0)
  2. : No substantive resource change found, strong inference (classifier 1.3.1)
  3. : No substantive resource change found, strong inference (classifier 1.3.2)
  4. : No substantive resource change found, strong inference (classifier 1.4.0) current

Changes to overlapping ranges

DateRegistryRangeRecorded asWhat happened
2021-08-09ARIN204.89.22.0/24Not in ARIN-IssuedRemoved
2020-10-01ARIN204.89.20.0/23Transfer logMerger/acquisition
2017-10-24ARIN204.89.20.0/23+ AddApparent reissuance
2017-10-24ARIN204.89.20.0/23− RemoveARIN pool record
2017-09-13ARIN204.89.23.0/24+ AddApparent reissuance
2017-09-13ARIN204.89.23.0/24− RemoveARIN pool record
2017-09-11ARIN204.89.16.0/22+ AddApparent reissuance
2017-09-11ARIN204.89.16.0/22− RemoveARIN pool record
2017-09-08ARIN204.89.22.0/24+ AddApparent reissuance
2010-12-02ARIN204.89.16.0 - 204.89.26.255− RemoveUnresolved
2009-12-09ARIN204.89.16.0 - 204.89.26.255Not in ARIN-IssuedRemoved

Transfer records (1)

Date (UTC)LogTypeRange movedFromTo
ARINMerger acquisition204.89.20.0/23 Wex Health ARINWex Health, Inc. ARIN

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/204.89.16.0-204.89.23.255.json