AS26557 — CARLET-NET

AS26557 announces 3 IPv4 prefixes covering 24,576 addresses and 0 IPv6 prefixes.

About this network

The AS handle CARLET-NET is operated by Carleton College.

What it's used for

• The address space carries the institutional network for Carleton College, a private liberal arts college in Northfield, Minnesota.
• The inventory consists of four IPv4 /19 prefixes (137.22.0.0/19, 137.22.64.0/19, 137.22.128.0/19, 137.22.192.0/19) totaling 32,768 addresses, with no IPv6 prefixes announced.
• With only 2 observed neighbours, the low neighbour count relative to the address block size indicates an access or eyeball network rather than a transit provider.

Notable

• All registrants for the announced prefixes are listed as Carleton College, with the netname consistently set to CARLETON.
• The address inventory is finely subdivided into four equal /19 blocks, suggesting internal segmentation of the campus network.
• The AS has been visible in routing tables since 2002.

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

Announced prefixes

• 137.22.0.0/19
• 137.22.64.0/19
• 137.22.192.0/19

Upstream networks

• AS6939 Hurricane Electric LLC
• AS57 University of Minnesota

Adjacent networks

• AS6939 Hurricane Electric LLC
• AS57 University of Minnesota