rirtracker

IPv6 range · 2,535,301,200,456,458,802,993,406,410,752 addresses

2a01:5640::/27

Now

RIPE NCC statistics
Available, in the latest file
Registry
RIPE NCC
Holder
RIPE Network Coordination Center ORG-NCC1-RIPE
From
RDAP, looked up 2026-10-21 18:19 UTC

Latest change

Released Released from hold (the RIPE NCC lists it as 'available')

Reported
2026-10-13 (RIPE NCC)
Confidence
Strong inference
Inventory
The RIPE NCC's statistics now list it as 'available'; reissue not confirmed

Hold

Released from hold
2026-10-13
Now
Possible reissue candidate; not confirmed available.

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.

2026-10-13 RIPE NCC Released Released from hold (the RIPE NCC lists it as 'available') Strong inference
Statistics
2a01:5640::/27 reserved on 2026-10-12, available on 2026-10-13
Inventory
The RIPE NCC's statistics now list it as 'available'; reissue not confirmed

The RIPE NCC's statistics show it reserved on 2026-10-12 and available on 2026-10-13. The RIPE NCC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2026-04-16, 180 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,
  1. Statistics Found by comparing the RIPE NCC's daily statistics: 2a01:5640::/27 reserved on 2026-10-12, available on 2026-10-13 source · retrieved
  2. Before RIPE NCC delegated statistics 2026-10-12 (produced 2026-10-12T21:59:59+00:00), before the change: reserved source · retrieved
  3. After RIPE NCC delegated statistics 2026-10-13 (produced 2026-10-13T21:59:59+00:00), after the change: available source · retrieved

Changes to overlapping ranges

DateRegistryRangeRecorded asWhat happened
2026-04-16RIPE NCC2a01:5640::/32− DeregisteredRemoved
2012-06-04RIPE NCC2a01:5640::/32+ RegisteredApparent new issuance

Transfer records

No transfer log has a transfer of any part of this IPv6 range.

RDAP lookups

Looked upWhyRegistryHandleOrganizationStatusLast changed
After 7 days RIPE NCC2a00::/11RIPE Network Coordination Center ORG-NCC1-RIPEactive2019-06-06
After 24 hours RIPE NCC2a00::/11RIPE Network Coordination Center ORG-NCC1-RIPEactive2019-06-06
First seen RIPE NCC2a00::/11RIPE Network Coordination Center ORG-NCC1-RIPEactive2019-06-06

Organization-level details only; contact details are never kept. RDAP shows the registration when it was looked up, not in the past.

This page as data: ip/2a01.5640..-2a01.565f.ffff.ffff.ffff.ffff.ffff.ffff.json