RDAP / Whois lookup

Look up authoritative registration records for a domain, IP, network prefix or ASN. Subdomains are resolved to their registrable domain automatically.

45.12.0.0 - 45.12.3.255

Record foundARIN

UA-VSYS-20190430ALLOCATED PA

RDAP is structured authoritative registration data. Registration records and contacts do not establish current routing, device location or network safety.

Queried at11/7/2026, 05:39:46Local authoritative snapshot

BGP routes RPKI check Prefix profile

Resource type: Network prefix
Registry: ARIN
Registration country / region: Ukraine
Registration status: Active
Registered at: 10/22/2021, 09:32:18
Last changed: 9/4/2025, 08:45:49

Resource range45.12.0.0 – 45.12.3.255Network prefix

Resource records1CIDR count

Public contacts5Published by the registry

Registry events2Authoritative change record

Authoritative registration details

Registry handle: 45.12.0.0 - 45.12.3.255
Name: UA-VSYS-20190430
Allocation type: ALLOCATED PA
Parent handle: 0.0.0.0 - 255.255.255.255
Whois server: whois.ripe.net
Authoritative RDAP host: rdap.arin.net

Address and number range

Resource range: 45.12.0.0 – 45.12.3.255
Address family: IPv4
Resource records: 1
CIDR inventory: 45.12.0.0/22

Registration entities and contacts

Only public fields from the authoritative RDAP response are shown. Roles are assigned by the registry.

5 entities

Registrant

Virtual Systems LLCORG-VSL22-RIPE

+380981968199+380445915679

Laboratorna str., building 33/37 · 03150 · Kiyv · UKRAINE

Registrant

ORG-NCC1-RIPERIPE-NCC-HM-MNT

Not provided by registry

AdministrativeTechnical

Vyacheslav SmyrnovVS10657-RIPE

+380981968199

Laboratorna 33/37 · 03150 · Kiyv · UKRAINE

Registrant

VSYS-MNTVSYS-MNT

Not provided by registry

Abuse

Abuse-C RoleAR50431-RIPE

abuse@v-sys.org

Laboratorna 33/37 · 03150 · Kiyv · UKRAINE

Registration and change events

2 events

Event	Time (UTC)	Actor
Last changed	9/4/2025, 08:45:49	Not provided by registry
Registration	10/22/2021, 09:32:18	Not provided by registry

Terms and remarks

Registry notices are shown verbatim so their authoritative meaning is not altered.

4 notices

FilteredThis output has been filtered.

Whois Inaccuracy ReportingIf you see inaccuracies in the results, please visit:

SourceObjects returned came from source RIPE

Terms and ConditionsThis is the RIPE Database query service. The objects are in RDAP format.

CHA.LA authoritative RDAP snapshotIANA Bootstrap only locates the responsible registration service. Data comes from the corresponding RIR or domain registry and is cached locally by query target.Authoritative source: ARIN · rdap.arin.net