LAYER3 INTEL
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Data as of Nov 11, 2026

81.24.4.0/22

No anonymizer space · no proxy exits in 30 days

Cyso Group B.V.

Announcement
81.24.0.0/20
RPKI valid
Announced by
AS25151
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin Jul 2026
from AS25151 Cyso Group B.V., after 3.2 years unannounced

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
81.24.0.0/204,096NL-CYSO-20080222Cyso Group B.V. (ORG-CMH1-RIPE) · NLALLOCATED PADec 24, 2024abuse@cyso.net
└ 81.24.4.0/221,024FUGA_AMSunknownASSIGNED PAJun 29, 2021abuse@cyso.net
via NL-CYSO-20080222

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

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced 81.24.0.0/20

81.24.0.0/20

Routing history

Pattern
Stable
First seen
Apr 2008
Current origin since
Jul 2026 · 4 mo
Origin networks
3
Last change of origin
Nov 2018
Recorded history

History

Handoffs
2