AS199927

Name: AS199927 — ITB-Kwadraat BV
Creator: ipdex

ITB-Kwadraat BV Unknown registered in Netherlands

3IPv4 prefixes

6IPv6 prefixes

100%RPKI-valid

#55,640AS Rank

326/327RIS visibility

#349Rank in Netherlands

2013-12-05Allocated

ITB-Kwadraat BV (AS199927) — Unknown, registered in Netherlands. announces 3 IPv4 prefixes + 6 IPv6 prefixes. Rank in Netherlands: #349. Allocated: 2013-12-05.

IPv4 3IPv6 6

Announced prefixes · 9

v4 185.251.236.0/22 valid
v4 185.42.56.0/22 valid
v4 45.11.12.0/22 valid
v6 2a04:8e40::/29 valid
v6 2a0c:1ec0::/29 valid
v6 2a0c:1ec0::/32 valid
v6 2a0c:1ec1::/32 valid
v6 2a0c:1ec2::/32 valid
v6 2a0c:1ec3::/32 valid

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 3 IPv4 · 6 IPv6 announced · RIS visibility 326/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	9
2026-06-13	9

AS topology · Customer cone 1

Providers · 1

AS5524 Signet B.V.

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