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Data as of Nov 10, 2026

45.11.12.0/22

No anonymizer space · no proxy exits in 30 days

ITB-Kwadraat BV

Announcement
this exact prefix
RPKI valid
Announced by
AS199927
Type
Hosting
75% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
45.11.15.0/24
since Aug 2025
AS208864ResidentialITB-Kwadraat BV

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
45.11.12.0/221,024NL-ITB2-20190425ITB-Kwadraat BV (ORG-IB50-RIPE) · NLALLOCATED PAAug 13, 2024support@itb2.nl
└ 45.11.12.0/24256Kwadraat-net12unknownASSIGNED PAJul 7, 2020support@itb2.nl
via NL-ITB2-20190425
└ 45.11.13.0/24256Kwadraat-net13unknownASSIGNED PAMar 16, 2021support@itb2.nl
via NL-ITB2-20190425
└ 45.11.15.0/24256Kwadraat-net15unknownLIR-PARTITIONED PAAug 6, 2025support@itb2.nl
via NL-ITB2-20190425
└ 45.11.15.16/298SPIE-Data-Solutions--ITB2-datacenter-EcofactorijunknownASSIGNED PAAug 6, 2025support@itb2.nl
via Kwadraat-net15

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

1,024 addresses
TypeAddressesShareRanges
Hosting76875%1
Residential24824%2
Business80.78%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Jul 2020
Current origin since
Jul 2021 · 5.3 yr
Origin networks
2
Last change of origin
Jul 2021
Recorded history

History

Handoffs
1