rirtracker

IPv4 range · 1,024 addresses

155.212.148.0/22

Now

RIPE NCC statistics
Allocated (dated 1991-12-02) (RU), in the latest file
Registry
RIPE NCC
Holder
NKT Syzran LLC
From
The RIPE NCC's latest statistics and the latest transfer record

Latest change

Transfer log Intra-RIPE NCC transfer

Reported
2025-09-29 (RIPE NCC)
Confidence
Confirmed
Inventory
No effect on RIPE NCC applicant inventory

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.

2025-09-29 RIPE NCC Transfer log Intra-RIPE NCC transfer Confirmed
Transfer log
Transfer: Address Limited (RIPE NCC) to NKT Syzran LLC (RIPE NCC)
From
Address Limited RIPE NCC
To
NKT Syzran LLC RIPE NCC
Piece of
155.212.144.0/21: 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 Address Limited (RIPE NCC) to NKT Syzran LLC (RIPE NCC) on 2025-09-29 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 2025-09-29 19:00 UTC, Address Limited (RIPE NCC) to NKT Syzran LLC (RIPE NCC); resources moved: 155.212.148.0/22 source · retrieved
  2. Before RIPE NCC delegated statistics 2025-09-28 (produced 2025-09-28T21:59:59+00:00), before the change: allocated (dated 1991-12-02) source · retrieved
  3. After RIPE NCC delegated statistics 2025-09-29 (produced 2025-09-29T21:59:59+00:00), after the change: allocated (dated 1991-12-02) 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
2025-07-14ARIN155.212.0.0/16Not in ARIN-IssuedTransfer out of ARIN
2025-07-14RIPE NCC155.212.0.0/16Transfer logTransfer into the RIPE NCC
2018-09-18ARIN155.212.0.0/16Transfer logMerger/acquisition

Transfer records (4)

Date (UTC)LogTypeRange movedFromTo
RIPE NCCResource transfer155.212.148.0/22 Address Limited RIPE NCCNKT Syzran LLC RIPE NCC
RIPE NCCResource transfer155.212.0.0/16 (no name given) ARINAddress Limited RIPE NCC
ARINResource transfer155.212.0.0/16 Windstream Communications LLC ARINAddress Limited RIPE NCC
ARINMerger acquisition155.212.0.0/16 Earthlink, Inc. ARINWindstream Communications 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/155.212.148.0-155.212.151.255.json