rirtracker

IPv4 range · 4,096 addresses

64.40.0.0/20

Now

ARIN statistics
Allocated (dated 2019-07-12), allocated (dated 2019-07-15), allocated (dated 2019-07-26), allocated (dated 2019-09-20), allocated (dated 2025-09-15) (CA, US), in the latest file
Registry
ARIN
Holder
Not looked up
From
ARIN's latest statistics

Latest change

Not in ARIN-Issued Removed (return, revocation or reclamation not publicly distinguishable)

Reported
2017-11-07 (ARIN)
Confidence
Strong inference
Inventory
Possible future reissue candidate after hold

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.

2017-11-07 ARIN Not in ARIN-Issued Removed (return, revocation or reclamation not publicly distinguishable) Strong inference
Inventory
Possible future reissue candidate after hold
Hold estimate
Estimated hold end 2018-01-06. Possible reissue candidate after this date; not confirmed available.

Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 2007-10-17) on 2017-11-06 and reserved on 2017-11-08. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2018-01-06. This does not confirm availability.

Evidence (3) · classifier 1.4.0,
  1. Statistics Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 64.40.0.0/20 assigned on 2017-11-07, reserved on 2017-11-08 source · retrieved
  2. Before ARIN delegated statistics 2017-11-06 (produced 2017-11-06T06:10:37+00:00), before the report: assigned (dated 2007-10-17) source · retrieved
  3. After ARIN delegated statistics 2017-11-08 (produced 2017-11-08T06:10:49+00:00), after the report: 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
2025-09-15ARIN64.40.10.0/24+ AddIntra-ARIN transfer
2025-05-15ARIN64.40.10.0/24Transfer logMerger/acquisition
2024-11-21ARIN64.40.4.0/22Transfer logMerger/acquisition
2019-09-20ARIN64.40.8.0/24− RemoveARIN pool record
2019-09-20ARIN64.40.8.0/23+ AddApparent reissuance
2019-09-20ARIN64.40.9.0/24− RemoveARIN pool record
2019-08-27ARIN64.40.10.0/24+ AddApparent reissuance
2019-08-27ARIN64.40.10.0/24− RemoveARIN pool record
2019-07-26ARIN64.40.11.0/24+ AddApparent reissuance
2019-07-26ARIN64.40.11.0/24− RemoveARIN pool record
2019-07-15ARIN64.40.0.0/22+ AddApparent reissuance
2019-07-15ARIN64.40.0.0/22− RemoveARIN pool record
2019-07-12ARIN64.40.0.0/22− RemoveNo material change
2019-07-12ARIN64.40.4.0/22+ AddApparent reissuance
2019-07-12ARIN64.40.4.0/22− RemoveARIN pool record
2019-07-12ARIN64.40.8.0/24− RemoveNo material change
2019-07-12ARIN64.40.9.0/24− RemoveNo material change
2019-07-12ARIN64.40.10.0/24− RemoveNo material change
2019-07-12ARIN64.40.11.0/24− RemoveNo material change
2019-07-12ARIN64.40.12.0/22+ AddApparent reissuance
2019-07-12ARIN64.40.12.0/22− RemoveARIN pool record

Transfer records (3)

Date (UTC)LogTypeRange movedFromTo
ARINResource transfer64.40.10.0/24 NRG Networks Hosting, LLC ARINDC NET LLC ARIN
ARINMerger acquisition64.40.10.0/24 NRG NETWORKS ARINNRG Networks Hosting, LLC ARIN
ARINMerger acquisition64.40.4.0/22 Full Throttle Networks Inc. ARINXplornet Communications 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/64.40.0.0-64.40.15.255.json