rirtracker

IPv4 range · 2,048 addresses

131.162.72.0/21

Now

ARIN statistics
Allocated (dated 1988-12-09) (CA), in the latest file
Registry
RIPE NCC
Holder
lir-am-isaa-1-MNT
From
RDAP, looked up 2026-11-12 18:25 UTC

Latest change

Transfer log Inter-RIR transfer into the RIPE NCC

Reported
2026-11-12 (RIPE NCC)
Confidence
Confirmed Provisional
Inventory
Transferred into RIPE NCC administration; not a new issuance

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.

2026-11-12 RIPE NCC Transfer log Inter-RIR transfer into the RIPE NCC Confirmed Provisional
Transfer log
Transfer: (no name) (ARIN) to Information Systems Authority State Body (RIPE NCC)
From
(no name given) ARIN
To
Information Systems Authority State Body RIPE NCC
Inventory
Transferred into RIPE NCC administration; not a new issuance

The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Information Systems Authority State Body (RIPE NCC) on 2026-11-12 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance.

Evidence (2) · classifier 1.4.0,
  1. Transfer log Transfer log: RESOURCE_TRANSFER on 2026-11-12 19:00 UTC, (no name) (ARIN) to Information Systems Authority State Body (RIPE NCC); resources moved: 131.162.72.0/21 source · retrieved
  2. Before RIPE NCC delegated statistics 2026-11-11 (produced 2026-11-11T22:59:59+00:00), before the change: not listed source · retrieved

Transfer records (1)

Date (UTC)LogTypeRange movedFromTo
RIPE NCCResource transfer131.162.72.0/21 (no name given) ARINInformation Systems Authority State Body RIPE NCC

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

Looked upWhyRegistryHandleOrganizationStatusLast changed
First seen RIPE NCC131.162.72.0 - 131.162.79.255lir-am-isaa-1-MNTactive2026-11-12

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

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