AS22217 — CALVIN-UNIVERSITY

AS22217 announces 1 IPv4 prefixes covering 65,536 addresses and 0 IPv6 prefixes.

About this network

The AS handle CALVIN-UNIVERSITY is held by Calvin University.

What it's used for

• The address space carries university infrastructure, evidenced by the netname CALVIN and reverse DNS entries like dhcp191-254.calvin.edu.
• The AS announces 65536 IPv4 addresses across 1 prefix (153.106.0.0/16) with 2 observed neighbours, a ratio consistent with an access or educational network rather than a transit provider.

Notable

• The RDAP registrant Calvin College aligns with the AS handle and the reverse DNS domain calvin.edu.
• The operator is a Christian university located in Grand Rapids, Michigan.
• The inventory consists of a single contiguous /16 block with no announced IPv6 prefixes.

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

Announced prefixes

• 153.106.0.0/16

Upstream networks

• AS26554 US Signal Company, L.L.C.
• AS237 Merit Network Inc.

Adjacent networks

• AS26554 US Signal Company, L.L.C.
• AS237 Merit Network Inc.