rirtracker

IPv4 range · 65,536 addresses

161.220.0.0/16

Now

RIPE NCC statistics
Allocated (dated 2021-04-13) (GB), in the latest file
Registry
RIPE NCC
Holder
Microsoft Limited [ORG-MA42-RIPE]
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
2024-03-11 (ARIN)
Confidence
Confirmed
Inventory
Transferred out of ARIN administration; not offered to ARIN applicants

Timeline (5)

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.

2024-03-11 ARIN Not in ARIN-Issued Inter-RIR transfer out of ARIN Confirmed
From
The J. M. Smucker Co. ARIN
To
Microsoft Limited [ORG-MA42-RIPE] RIPE NCC
Same transfer
The RIPE NCC recorded it too: RIPE NCC, 2024-03-11.
Inventory
Transferred out of ARIN administration; not offered to ARIN applicants

ARIN's transfer log records a transfer from The J. M. Smucker Co. (ARIN) to Microsoft Limited [ORG-MA42-RIPE] (RIPE NCC) on 2024-03-11 15:09 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 (4) · classifier 1.4.0,
  1. Statistics Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 161.220.0.0/16 allocated on 2024-03-11, not listed on 2024-03-12 source · retrieved
  2. Transfer log Transfer log: RESOURCE_TRANSFER on 2024-03-11 15:09 UTC, The J. M. Smucker Co. (ARIN) to Microsoft Limited [ORG-MA42-RIPE] (RIPE NCC); resources moved: 161.220.0.0/16 source · retrieved
  3. Before ARIN delegated statistics 2024-03-10 (produced 2024-03-10T13:00:44+00:00), before the report: allocated (dated 2021-04-13) source · retrieved
  4. After ARIN delegated statistics 2024-03-12 (produced 2024-03-12T13:00:43+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
2024-03-11 RIPE NCC Transfer log Inter-RIR transfer into the RIPE NCC Confirmed
Transfer log
Transfer: (no name) (ARIN) to Microsoft Limited (RIPE NCC)
From
(no name given) ARIN
To
Microsoft Limited RIPE NCC
Same transfer
Also a change at ARIN, the sending registry: ARIN, 2024-03-11. Lists that cover every registry show it there.
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 Microsoft Limited (RIPE NCC) on 2024-03-11 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 (3) · classifier 1.4.0,
  1. Transfer log Transfer log: RESOURCE_TRANSFER on 2024-03-11 19:00 UTC, (no name) (ARIN) to Microsoft Limited (RIPE NCC); resources moved: 161.220.0.0/16 source · retrieved
  2. Before RIPE NCC delegated statistics 2024-03-10 (produced 2024-03-10T22:59:59+00:00), before the change: not listed source · retrieved
  3. After RIPE NCC delegated statistics 2024-03-11 (produced 2024-03-11T22:59:59+00:00), after the change: allocated (dated 2021-04-13) source · retrieved
Classification history for this change (4 versions)
  1. : Inter-RIR transfer into the RIPE NCC, confirmed (classifier 1.3.0)
  2. : Inter-RIR transfer into the RIPE NCC, confirmed (classifier 1.3.1)
  3. : Inter-RIR transfer into the RIPE NCC, confirmed (classifier 1.3.2)
  4. : Inter-RIR transfer into the RIPE NCC, confirmed (classifier 1.4.0) current
2021-04-13 ARIN + Add Apparent reissuance of previously removed resource Strong inference
ARIN-Issued
Add 161.220.0.0-161.220.255.255
Inventory
Likely issued from ARIN-controlled inventory

No transfer record matches. ARIN's statistics show it reserved on 2021-04-12 and assigned (dated 2021-04-13) on 2021-04-14. The tracker saw this range removed from registration on 2020-03-09 (161.220.0.0/16), so it appears to have been issued again from ARIN's pool.

Evidence (3) · classifier 1.4.0,
  1. ARIN-Issued ARIN-Issued report for 2021-04-13: "Add 161.220.0.0-161.220.255.255" source · retrieved
  2. Before ARIN delegated statistics 2021-04-12 (produced 2021-04-12T14:00:13+00:00), before the report: reserved source · retrieved
  3. After ARIN delegated statistics 2021-04-14 (produced 2021-04-14T14:00:14+00:00), after the report: assigned (dated 2021-04-13) source · retrieved
Classification history for this change (4 versions)
  1. : Apparent reissuance of previously removed resource, strong inference (classifier 1.3.0)
  2. : Apparent reissuance of previously removed resource, strong inference (classifier 1.3.1)
  3. : Apparent reissuance of previously removed resource, strong inference (classifier 1.3.2)
  4. : Apparent reissuance of previously removed resource, strong inference (classifier 1.4.0) current
2021-04-13 ARIN − Remove Change to ARIN's own pool record Strong inference
ARIN-Issued
Remove 161.220.0.0-161.220.255.255
Inventory
Part of the issuance reported the same day

ARIN's statistics show it reserved on 2021-04-12 and assigned (dated 2021-04-13) on 2021-04-14. ARIN removed its own pool record for this range as part of issuing it: the same report adds 161.220.0.0-161.220.255.255. The issuance is explained on that line.

Evidence (3) · classifier 1.4.0,
  1. ARIN-Issued ARIN-Issued report for 2021-04-13: "Remove 161.220.0.0-161.220.255.255" source · retrieved
  2. Before ARIN delegated statistics 2021-04-12 (produced 2021-04-12T14:00:13+00:00), before the report: reserved source · retrieved
  3. After ARIN delegated statistics 2021-04-14 (produced 2021-04-14T14:00:14+00:00), after the report: assigned (dated 2021-04-13) source · retrieved
Classification history for this change (4 versions)
  1. : Change to ARIN's own pool record, strong inference (classifier 1.3.0)
  2. : Change to ARIN's own pool record, strong inference (classifier 1.3.1)
  3. : Change to ARIN's own pool record, strong inference (classifier 1.3.2)
  4. : Change to ARIN's own pool record, strong inference (classifier 1.4.0) current
2020-03-09 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 2020-05-08. 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 1993-03-01) on 2020-03-08 and reserved on 2020-03-10. 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 2020-05-08. 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: 161.220.0.0/16 assigned on 2020-03-09, reserved on 2020-03-10 source · retrieved
  2. Before ARIN delegated statistics 2020-03-08 (produced 2020-03-08T14:00:12+00:00), before the report: assigned (dated 1993-03-01) source · retrieved
  3. After ARIN delegated statistics 2020-03-10 (produced 2020-03-10T14:00:13+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

Transfer records (2)

Date (UTC)LogTypeRange movedFromTo
RIPE NCCResource transfer161.220.0.0/16 (no name given) ARINMicrosoft Limited RIPE NCC
ARINResource transfer161.220.0.0/16 The J. M. Smucker Co. ARINMicrosoft Limited [ORG-MA42-RIPE] 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/161.220.0.0-161.220.255.255.json