AS25979 — COMDC-WI

AS25979 announces 1 IPv4 prefixes covering 4,096 addresses and 1 IPv6 prefixes.

About this network

The AS handle COMDC-WI is operated by the City of Madison.

What it's used for

• The address space is registered under the netname MADISON2 with the registrant CITY OF MADISON; WiscNet NIC, indicating municipal infrastructure.
• The AS announces 4096 IPv4 addresses in a single /20 prefix and one IPv6 /48 prefix, with only 2 observed neighbours, consistent with a small, self-contained government network.

Notable

• The registrant CITY OF MADISON; WiscNet NIC aligns directly with the AS holder, confirming the space belongs to the municipality.
• The inventory consists of a single contiguous IPv4 block and a single IPv6 prefix, typical of a dedicated municipal allocation rather than a multi-tenant or transit provider.

CLASSIFICATION - after the card, on its own final line, emit exactly:

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

Announced prefixes

• 204.147.0.0/20
• 2001:4e0:1008::/48

Upstream networks

• AS2381 WiscNet

Downstream networks

• AS64251 Monona Terrace Community and Convention Center

Adjacent networks

• AS2381 WiscNet
• AS64251 Monona Terrace Community and Convention Center