Data as of Nov 6, 2026

103.66.59.0/24

No anonymizer space · no proxy exits in 30 days

Critical Core BV · space held by Ritesim.com Limited

Announcement
RPKI valid
Announced by
Type
Business
Risk
0 / 100 · Low

Network & registry

Announced by

Covering announcement 103.66.56.0/22

Prefix
103.66.56.0/22
Announced by
AS49033 Critical Core BV
Type
Business
Proxy exits
2
RPKI
RPKI valid
Netname
UK-RITESIM-20160615
Registrant
Ritesim.com Limited
RIR
RIPE NCC
Origin network

AS49033

NL
Name
Critical Core BV
Registered
Oct 4, 2016
Domain
criticalcore.nl
Website
www.criticalcore.nl
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed