rirtracker

IPv4 range · 131,072 addresses

9.166.0.0/15

Now

RIPE NCC statistics
Allocated (dated 1988-12-16) (GB), in the latest file
Registry
RIPE NCC
Holder
Microsoft Limited
From
The RIPE NCC's latest statistics and the latest transfer record

Latest change

Not in ARIN-Issued Inter-RIR transfer out of ARIN

Reported
2024-09-16 (ARIN)
Confidence
Confirmed
Inventory
Transferred out of ARIN administration; not offered to ARIN applicants

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.

2024-09-16 ARIN Not in ARIN-Issued Inter-RIR transfer out of ARIN Confirmed
From
IBM ARIN
To
Microsoft Limited RIPE NCC
Same transfer
The RIPE NCC recorded it too: RIPE NCC, 2024-09-16.
Inventory
Transferred out of ARIN administration; not offered to ARIN applicants

ARIN's transfer log records a transfer from IBM (ARIN) to Microsoft Limited (RIPE NCC), recorded as 2 transfer records that together cover exactly this range, on 2024-09-16 13:50 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants.

Evidence (5) · classifier 1.4.0,
  1. Statistics Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 9.166.0.0/15 allocated on 2024-09-16, not listed on 2024-09-17 source · retrieved
  2. Transfer log Transfer log: RESOURCE_TRANSFER on 2024-09-16 13:50 UTC, IBM (ARIN) to Microsoft Limited (RIPE NCC); resources moved: 9.167.0.0/16 source · retrieved
  3. Transfer log Transfer log: RESOURCE_TRANSFER on 2024-09-16 13:50 UTC, IBM (ARIN) to Microsoft Limited (RIPE NCC); resources moved: 9.166.0.0/16 source · retrieved
  4. Before ARIN delegated statistics 2024-09-15 (produced 2024-09-15T13:00:53+00:00), before the report: allocated (dated 1988-12-16) source · retrieved
  5. After ARIN delegated statistics 2024-09-17 (produced 2024-09-17T13:00:52+00:00), after the report: not listed source · retrieved
Classification history for this change (4 versions)
  1. : Inter-RIR transfer out of ARIN, confirmed (classifier 1.3.0)
  2. : Inter-RIR transfer out of ARIN, confirmed (classifier 1.3.1)
  3. : Inter-RIR transfer out of ARIN, confirmed (classifier 1.3.2)
  4. : Inter-RIR transfer out of ARIN, confirmed (classifier 1.4.0) current

Changes to overlapping ranges

DateRegistryRangeRecorded asWhat happened
2024-09-16RIPE NCC9.166.0.0/16Transfer logTransfer into the RIPE NCC
2024-09-16RIPE NCC9.167.0.0/16Transfer logTransfer into the RIPE NCC

Transfer records (4)

Date (UTC)LogTypeRange movedFromTo
RIPE NCCResource transfer9.166.0.0/16 (no name given) ARINMicrosoft Limited RIPE NCC
RIPE NCCResource transfer9.167.0.0/16 (no name given) ARINMicrosoft Limited RIPE NCC
ARINResource transfer9.166.0.0/16 IBM ARINMicrosoft Limited RIPE NCC
ARINResource transfer9.167.0.0/16 IBM ARINMicrosoft Limited 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

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/9.166.0.0-9.167.255.255.json