rirtracker

IPv4 range · 2,048 addresses

209.51.32.0/21

Now

ARIN statistics
Allocated (dated 2024-12-04) (US), in the latest file
Registry
ARIN
Holder
Black Duck Software, Inc.
From
ARIN's latest statistics and the latest transfer record

Latest change

+ Add Intra-ARIN transfer

Reported
2024-12-04 (ARIN)
Confidence
Confirmed
Inventory
No effect on ARIN applicant inventory

Timeline (3)

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.

2024-12-04 ARIN + Add Intra-ARIN transfer Confirmed
ARIN-Issued
Add 209.51.32.0-209.51.39.255
From
Intis Telecom Inc. ARIN
To
Black Duck Software, Inc. ARIN
Inventory
No effect on ARIN applicant inventory

ARIN's transfer log records a transfer from Intis Telecom Inc. (ARIN) to Black Duck Software, Inc. (ARIN) on 2024-12-04 12:44 UTC. ARIN-Issued lists it as "Add" because the registration changed hands; it is not a new allocation from ARIN.

Evidence (4) · classifier 1.4.0,
  1. ARIN-Issued ARIN-Issued report for 2024-12-04: "Add 209.51.32.0-209.51.39.255" source · retrieved
  2. Transfer log Transfer log: RESOURCE_TRANSFER on 2024-12-04 12:44 UTC, Intis Telecom Inc. (ARIN) to Black Duck Software, Inc. (ARIN); resources moved: 209.51.32.0/21 source · retrieved
  3. Before ARIN delegated statistics 2024-12-03 (produced 2024-12-03T14:01:06+00:00), before the report: allocated (dated 2023-03-22) source · retrieved
  4. After ARIN delegated statistics 2024-12-05 (produced 2024-12-05T14:01:05+00:00), after the report: allocated (dated 2024-12-04) source · retrieved
Classification history for this change (4 versions)
  1. : Intra-ARIN transfer, confirmed (classifier 1.3.0)
  2. : Intra-ARIN transfer, confirmed (classifier 1.3.1)
  3. : Intra-ARIN transfer, confirmed (classifier 1.3.2)
  4. : Intra-ARIN transfer, confirmed (classifier 1.4.0) current
2023-03-22 ARIN + Add Intra-ARIN transfer Confirmed
ARIN-Issued
Add 209.51.32.0-209.51.39.255
From
Helm ARIN
To
Intis Telecom Inc. ARIN
Inventory
No effect on ARIN applicant inventory

ARIN's transfer log records a transfer from Helm (ARIN) to Intis Telecom Inc. (ARIN) on 2023-03-22 15:17 UTC. ARIN-Issued lists it as "Add" because the registration changed hands; it is not a new allocation from ARIN.

Evidence (4) · classifier 1.4.0,
  1. ARIN-Issued ARIN-Issued report for 2023-03-22: "Add 209.51.32.0-209.51.39.255" source · retrieved
  2. Transfer log Transfer log: RESOURCE_TRANSFER on 2023-03-22 15:17 UTC, Helm (ARIN) to Intis Telecom Inc. (ARIN); resources moved: 209.51.32.0/21 source · retrieved
  3. Before ARIN delegated statistics 2023-03-21 (produced 2023-03-21T13:00:11+00:00), before the report: allocated (dated 2020-03-31) source · retrieved
  4. After ARIN delegated statistics 2023-03-23 (produced 2023-03-23T13:00:11+00:00), after the report: allocated (dated 2023-03-22) source · retrieved
Classification history for this change (4 versions)
  1. : Intra-ARIN transfer, confirmed (classifier 1.3.0)
  2. : Intra-ARIN transfer, confirmed (classifier 1.3.1)
  3. : Intra-ARIN transfer, confirmed (classifier 1.3.2)
  4. : Intra-ARIN transfer, confirmed (classifier 1.4.0) current
2020-03-31 ARIN + Add Intra-ARIN transfer Confirmed
ARIN-Issued
Add 209.51.32.0-209.51.39.255
From
Riverside Amber Crest, LLC ARIN
To
Helm ARIN
Piece of
209.51.32.0/20: the rest of the block stayed with the seller
Inventory
No effect on ARIN applicant inventory

ARIN's transfer log records a transfer from Riverside Amber Crest, LLC (ARIN) to Helm (ARIN) on 2020-03-31 21:06 UTC. ARIN-Issued lists it as "Add" because the registration changed hands; it is not a new allocation from ARIN.

Evidence (4) · classifier 1.4.0,
  1. ARIN-Issued ARIN-Issued report for 2020-03-31: "Add 209.51.32.0-209.51.39.255" source · retrieved
  2. Transfer log Transfer log: RESOURCE_TRANSFER on 2020-03-31 21:06 UTC, Riverside Amber Crest, LLC (ARIN) to Helm (ARIN); resources moved: 209.51.32.0/21 source · retrieved
  3. Before ARIN delegated statistics 2020-03-30 (produced 2020-03-30T14:00:14+00:00), before the report: allocated (dated 1997-04-15) source · retrieved
  4. After ARIN delegated statistics 2020-04-01 (produced 2020-04-01T14:00:13+00:00), after the report: allocated (dated 2020-03-31) source · retrieved
Classification history for this change (4 versions)
  1. : Intra-ARIN transfer, confirmed (classifier 1.3.0)
  2. : Intra-ARIN transfer, confirmed (classifier 1.3.1)
  3. : Intra-ARIN transfer, confirmed (classifier 1.3.2)
  4. : Intra-ARIN transfer, confirmed (classifier 1.4.0) current

Changes to overlapping ranges

DateRegistryRangeRecorded asWhat happened
2019-07-30ARIN209.51.32.0/20Transfer logMerger/acquisition

Transfer records (4)

Date (UTC)LogTypeRange movedFromTo
ARINResource transfer209.51.32.0/21 Intis Telecom Inc. ARINBlack Duck Software, Inc. ARIN
ARINResource transfer209.51.32.0/21 Helm ARINIntis Telecom Inc. ARIN
ARINResource transfer209.51.32.0/21 Riverside Amber Crest, LLC ARINHelm ARIN
ARINMerger acquisition209.51.32.0/20 SURENET INC. ARINRiverside Amber Crest LLC 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/209.51.32.0-209.51.39.255.json