rirtracker

IPv4 range · 256 addresses

192.131.140.0/24

Now

ARIN statistics
Allocated (dated 2018-05-10) (US), in the latest file
Registry
ARIN
Holder
Columbia Bank
From
ARIN's latest statistics and the latest transfer record

Latest change

Transfer log Merger/acquisition or reorganization

Reported
2026-08-05 (ARIN)
Confidence
Confirmed
Inventory
No effect on ARIN applicant inventory

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.

2026-08-05 ARIN Transfer log Merger/acquisition or reorganization Confirmed
Transfer log
Merger/acquisition: UMPQUA BANK (ARIN) to Columbia Bank (ARIN)
From
UMPQUA BANK ARIN
To
Columbia Bank ARIN
Inventory
No effect on ARIN applicant inventory

ARIN's transfer log records a merger, acquisition or reorganization from UMPQUA BANK (ARIN) to Columbia Bank (ARIN) on 2026-08-05 16:26 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.

Evidence (3) · classifier 1.4.0,
  1. Transfer log Transfer log: MERGER_ACQUISITION on 2026-08-05 16:26 UTC, UMPQUA BANK (ARIN) to Columbia Bank (ARIN); resources moved: 192.131.140.0/24 source · retrieved
  2. Before ARIN delegated statistics 2026-08-04 (produced 2026-08-04T13:00:21+00:00), before the report: allocated (dated 2018-05-10) source · retrieved
  3. After ARIN delegated statistics 2026-08-06 (produced 2026-08-06T13:00:20+00:00), after the report: allocated (dated 2018-05-10) source · retrieved
2018-05-10 ARIN + Add Apparent reissuance of previously removed resource Strong inference
ARIN-Issued
Add 192.131.140.0-192.131.140.255
Inventory
Likely issued from ARIN-controlled inventory

No transfer record matches. ARIN's statistics show it reserved on 2018-05-09 and assigned (dated 2018-05-10) on 2018-05-11. The tracker saw this range released from hold on 2018-03-29 (192.131.140.0-192.131.140.255), 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 2018-05-10: "Add 192.131.140.0-192.131.140.255" source · retrieved
  2. Before ARIN delegated statistics 2018-05-09 (produced 2018-05-09T05:11:17+00:00), before the report: reserved source · retrieved
  3. After ARIN delegated statistics 2018-05-11 (produced 2018-05-11T05:10:30+00:00), after the report: assigned (dated 2018-05-10) 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
2018-05-10 ARIN − Remove Change to ARIN's own pool record Strong inference
ARIN-Issued
Remove 192.131.140.0-192.131.140.255
Inventory
Part of the issuance reported the same day

ARIN's statistics show it reserved on 2018-05-09 and assigned (dated 2018-05-10) on 2018-05-11. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.131.140.0-192.131.140.255. The issuance is explained on that line.

Evidence (3) · classifier 1.4.0,
  1. ARIN-Issued ARIN-Issued report for 2018-05-10: "Remove 192.131.140.0-192.131.140.255" source · retrieved
  2. Before ARIN delegated statistics 2018-05-09 (produced 2018-05-09T05:11:17+00:00), before the report: reserved source · retrieved
  3. After ARIN delegated statistics 2018-05-11 (produced 2018-05-11T05:10:30+00:00), after the report: assigned (dated 2018-05-10) 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
2018-03-29 ARIN − Remove No substantive resource change found Strong inference
ARIN-Issued
Remove 192.131.140.0-192.131.140.255
Inventory
No effect on ARIN applicant inventory

ARIN-Issued lists it as "Remove", but ARIN's statistics show the same record before and after (reserved).

Evidence (3) · classifier 1.4.0,
  1. ARIN-Issued ARIN-Issued report for 2018-03-29: "Remove 192.131.140.0-192.131.140.255" source · retrieved
  2. Before ARIN delegated statistics 2018-03-28 (produced 2018-03-28T05:11:27+00:00), before the report: reserved source · retrieved
  3. After ARIN delegated statistics 2018-03-30 (produced 2018-03-30T05:12:17+00:00), after the report: reserved source · retrieved
Classification history for this change (4 versions)
  1. : No substantive resource change found, strong inference (classifier 1.3.0)
  2. : No substantive resource change found, strong inference (classifier 1.3.1)
  3. : No substantive resource change found, strong inference (classifier 1.3.2)
  4. : No substantive resource change found, strong inference (classifier 1.4.0) current
2014-10-06 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 2014-12-05. 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 1992-04-28) on 2014-10-05 and reserved on 2014-10-07. 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 2014-12-05. 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: 192.131.140.0/24 assigned on 2014-10-06, reserved on 2014-10-07 source · retrieved
  2. Before ARIN delegated statistics 2014-10-05 (produced 2014-10-05T05:03:54+00:00), before the report: assigned (dated 1992-04-28) source · retrieved
  3. After ARIN delegated statistics 2014-10-07 (produced 2014-10-07T05:03:42+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 (1)

Date (UTC)LogTypeRange movedFromTo
ARINMerger acquisition192.131.140.0/24 UMPQUA BANK ARINColumbia Bank 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/192.131.140.0-192.131.140.255.json