AS10920 — JOHN-PAUL-CATHOLIC-UNIVERSITY

Network type: education

AS10920 announces 1 IPv4 prefixes covering 256 addresses and 0 IPv6 prefixes.

About this network

JOHN-PAUL-CATHOLIC-UNIVERSITY belongs to John Paul the Great Catholic University, a small private Catholic university in Escondido, California, known for its media, film and entrepreneurship programmes.

What it's used for

This is a single-campus edge network. RIS sees one IPv4 prefix, 23.177.80.0/24 (256 addresses), no IPv6, and 1 observed neighbour. That is about as minimal as a routed network gets: a lone /24 and a single upstream adjacency, carrying whatever the campus publishes to the outside world — web presence, mail, remote access — plus outbound traffic for staff and students.

Notable

The scale is the point, and it is worth being explicit about what it rules out. Two hundred fifty-six addresses cannot cover a residential-hall pool, a research network, or any kind of service business. A university this size runs student and staff access behind NAT and buys its capacity from a commercial ISP rather than peering; the ASN exists to give the institution a stable, provider-independent identity for its public services, not to move traffic for anyone else.

Interesting

Reverse DNS came back empty on the two addresses sampled. With a sample that small against a /24, that is not a finding — it is simply an absence of data, and no conclusion about the university's DNS posture should be drawn from it. The routing table is the reliable witness here, and it describes a modest, self-contained academic network.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 23.177.80.0/24

Upstream networks

• AS46887 Crown Castle Fiber LLC

Adjacent networks

• AS46887 Crown Castle Fiber LLC