rirtracker

IPv4 range · 2,048 addresses

37.251.240.0/21

Now

RIPE NCC statistics
Allocated (dated 2012-04-18) (NL), in the latest file
Registry
RIPE NCC
Holder
Eurofiber Nederland BV
From
The RIPE NCC's latest statistics and the latest transfer record

Latest change

Transfer log Intra-RIPE NCC transfer

Reported
2024-01-23 (RIPE NCC)
Confidence
Confirmed
Inventory
No effect on RIPE NCC applicant inventory

Timeline (2)

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.

2024-01-23 RIPE NCC Transfer log Intra-RIPE NCC transfer Confirmed
Transfer log
Transfer: Heap Layer, LLC (RIPE NCC) to Eurofiber Nederland BV (RIPE NCC)
From
Heap Layer, LLC RIPE NCC
To
Eurofiber Nederland BV RIPE NCC
Inventory
No effect on RIPE NCC applicant inventory

The RIPE NCC's transfer log records a transfer from Heap Layer, LLC (RIPE NCC) to Eurofiber Nederland BV (RIPE NCC) on 2024-01-23 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC.

Evidence (3) · classifier 1.4.0,
  1. Transfer log Transfer log: RESOURCE_TRANSFER on 2024-01-23 19:00 UTC, Heap Layer, LLC (RIPE NCC) to Eurofiber Nederland BV (RIPE NCC); resources moved: 37.251.240.0/21 source · retrieved
  2. Before RIPE NCC delegated statistics 2024-01-22 (produced 2024-01-22T22:59:59+00:00), before the change: allocated (dated 2012-04-18) source · retrieved
  3. After RIPE NCC delegated statistics 2024-01-23 (produced 2024-01-23T22:59:59+00:00), after the change: allocated (dated 2012-04-18) source · retrieved
Classification history for this change (4 versions)
  1. : Intra-RIPE NCC transfer, confirmed (classifier 1.3.0)
  2. : Intra-RIPE NCC transfer, confirmed (classifier 1.3.1)
  3. : Intra-RIPE NCC transfer, confirmed (classifier 1.3.2)
  4. : Intra-RIPE NCC transfer, confirmed (classifier 1.4.0) current
2017-12-06 RIPE NCC Transfer log Intra-RIPE NCC transfer Confirmed
Transfer log
Transfer: CLAX TELECOM SRL (RIPE NCC) to Heap Layer, LLC (RIPE NCC)
From
CLAX TELECOM SRL RIPE NCC
To
Heap Layer, LLC RIPE NCC
Piece of
37.251.128.0/17: the rest of the block stayed with the seller
Inventory
No effect on RIPE NCC applicant inventory

The RIPE NCC's transfer log records a transfer from CLAX TELECOM SRL (RIPE NCC) to Heap Layer, LLC (RIPE NCC) on 2017-12-06 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC.

Evidence (3) · classifier 1.4.0,
  1. Transfer log Transfer log: RESOURCE_TRANSFER on 2017-12-06 19:00 UTC, CLAX TELECOM SRL (RIPE NCC) to Heap Layer, LLC (RIPE NCC); resources moved: 37.251.240.0/21 source · retrieved
  2. Before RIPE NCC delegated statistics 2017-12-05 (produced 2017-12-05T22:59:59+00:00), before the change: allocated (dated 2012-04-18) source · retrieved
  3. After RIPE NCC delegated statistics 2017-12-06 (produced 2017-12-06T22:59:59+00:00), after the change: allocated (dated 2012-04-18) source · retrieved
Classification history for this change (4 versions)
  1. : Intra-RIPE NCC transfer, confirmed (classifier 1.3.0)
  2. : Intra-RIPE NCC transfer, confirmed (classifier 1.3.1)
  3. : Intra-RIPE NCC transfer, confirmed (classifier 1.3.2)
  4. : Intra-RIPE NCC transfer, confirmed (classifier 1.4.0) current

Changes to overlapping ranges

DateRegistryRangeRecorded asWhat happened
2012-04-18RIPE NCC37.251.128.0/17+ RegisteredApparent new issuance

Transfer records (2)

Date (UTC)LogTypeRange movedFromTo
RIPE NCCResource transfer37.251.240.0/21 Heap Layer, LLC RIPE NCCEurofiber Nederland BV RIPE NCC
RIPE NCCResource transfer37.251.240.0/21 CLAX TELECOM SRL RIPE NCCHeap Layer, LLC 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/37.251.240.0-37.251.247.255.json