AS13543 — COOKEVILLE-TN-GOV

AS13543 announces 1 IPv4 prefixes covering 1,024 addresses and 1 IPv6 prefixes.

About this network

A city government running its own AS number, with a netname that labels itself IPv4 while announcing IPv6.

What it's used for

• A municipal government's network. 1,024 addresses in one IPv4 prefix, 162.253.96.0/22, the IPv6 block 2620:f4:c000::/48, and two observed BGP neighbours.

Notable

• The IPv4 block is netname COOKEVILLE-TN-GOV-IPV4, registered to the city.
• The same string is the AS handle, without the protocol suffix.
• Three addresses were queried for reverse DNS and none returned a name.

Interesting

• A netname ending in the protocol version is written by someone expecting a matching IPv6 object later, and here it arrived: the city holds a /48 and announces it. Most organisations that stamp the version into a netname never get around to the second half.
• Two upstreams and one small block is the shape of a city that decided its own number was worth the paperwork. Municipal services, utility billing, public safety systems and traffic management all need to stay reachable when one carrier has a bad day, and an AS number is the cheapest way to keep the addresses when the contract changes.
• The address block comes from a late allocation range rather than anything historic, so this network was numbered recently by internet standards, long after the universities and telephone companies nearby.

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

Announced prefixes

• 162.253.96.0/22
• 2620:f4:c000::/48

Upstream networks

• AS19331 Twin Lakes Telephone Cooperative Corporation
• AS5650 Frontier Communications of America, Inc.

Adjacent networks

• AS19331 Twin Lakes Telephone Cooperative Corporation
• AS5650 Frontier Communications of America, Inc.