AS1152 — SIVON-AS the Netherlands
AS1152 announces 2 IPv4 prefixes covering 2,560 addresses and 2 IPv6 prefixes.
About this network
SIVON (SIVON-AS) is the ICT cooperative for Dutch primary and secondary education, owned by roughly 450 school boards that pool their networking and IT purchasing.
What it's used for
- Network-as-a-Service and internet connectivity for member schools across the Netherlands.
Notable
- An education-sector cooperative serving K-12 schools, not a commercial ISP.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 92.53.248.0/21
- 145.116.4.0/23
- 2a0f:d980::/32
- 2a11:38c0::/29
Upstream networks
- AS1103 SURF B.V.
Adjacent networks
- AS1103 SURF B.V.
BGP / ASN / CIDR
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IPv4
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IPv6
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Search Results
IPv4 Prefixes
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IPv6 Prefixes
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Total Prefixes
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Unique /24s
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⚠ SUSPICIOUS PREFIX ANNOUNCEMENTS DETECTED