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Data as of Nov 3, 2026

37.46.136.0/21

No anonymizer space · no proxy exits in 30 days

Cyso Group B.V.

Announcement
this exact prefix
RPKI valid
Announced by
AS25151
Type
Hosting
Risk
50 / 100 · Medium

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
37.46.136.0/212,048NL-CYSO-20120120Cyso Group B.V. (ORG-CMH1-RIPE) · NLALLOCATED PAJan 20, 2012[email protected]
└ 37.46.136.0/24256NL-CYSO-PAYCyso Hosting B.V.ASSIGNED PAJul 20, 2012[email protected]
via NL-CYSO-20120120
└ 37.46.137.128/2732NL-CYSO-PAYCyso Hosting B.V.ASSIGNED PAMay 24, 2013[email protected]
via NL-CYSO-20120120
└ 37.46.137.160/2816NL-CYSO-MINTLABCyso Hosting B.V.ASSIGNED PAMar 4, 2014[email protected]
via NL-CYSO-20120120
└ 37.46.137.179/321NL-CYSO-TAFAPPSCyso Hosting B.V.ASSIGNED PAMar 4, 2014[email protected]
via NL-CYSO-20120120
└ 37.46.137.192/2664NL-CYSO-NIBCCyso Hosting B.V.ASSIGNED PAJun 24, 2013[email protected]
via NL-CYSO-20120120
└ 37.46.138.0/24256NL-CYSO-OOP-TMSCyso Hosting B.V.ASSIGNED PAMay 24, 2013[email protected]
via NL-CYSO-20120120
└ 37.46.139.0/2732NL-CYSO-VMWARE-TEST-INFRACyso Hosting B.V.ASSIGNED PAMar 4, 2014[email protected]
via NL-CYSO-20120120
└ 37.46.139.32/2732NL-CYSO-VMWARE-TEST-VMCyso Hosting B.V.ASSIGNED PAMar 4, 2014[email protected]
via NL-CYSO-20120120
└ 37.46.139.104/298CYSO-NENNEN, Managed by CYSOASSIGNED PANov 3, 2015[email protected]
via NL-CYSO-20120120
└ 37.46.140.0/24256NL-CYSO-SHARED-37-46-140Cyso Hosting B.V.ASSIGNED PAMar 27, 2014[email protected]
via NL-CYSO-20120120
└ 37.46.141.0/24256NL-CYSO-NDA-37-46-141Cyso Hosting B.V.ASSIGNED PAMay 24, 2013[email protected]
via NL-CYSO-20120120
└ 37.46.142.0/24256NL-CYSO-A-SEGMENTCyso Hosting B.V.ASSIGNED PAMar 4, 2014[email protected]
via NL-CYSO-20120120
└ 37.46.143.0/24256NL-CYSO-B-SEGMENTCyso Hosting B.V.ASSIGNED PAMar 4, 2014[email protected]
via NL-CYSO-20120120

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
Origin network

AS25151

NL
Name
Cyso Group B.V.
Type
Hosting
Registered
Aug 9, 2002
Domain
cyso.com
Website
www.cyso.com
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed