AS23965 Sydney Catholic Schools

SYDCS-AS-AP - Sydney Catholic Schools · registered in Australia

IPv4 addresses2,0481 prefixes · <0.001% of announced IPv4

Rank in Australia#358largest network in AU by IPv4 space, of 1,660 · <0.01% of AU

Rank worldwide#23,007of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryAustralia1,688 ASNs registered there

Open AS23965 in ASN lookup Look up an IP in this network (203.26.248.1) All networks in Australia

IPv4 prefixes

All 1 prefix, in address order.

203.26.248.0/21

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources