AS21647 — LIGHTBOARD

Network type: hosting

AS21647 announces 2 IPv4 prefixes covering 1,024 addresses and 1 IPv6 prefixes.

About this network

The AS handle LIGHTBOARD is held by Lightboard Realty.

What it's used for

• The address space is associated with the registrant Lightboard Realty, with netnames including LIGHTBOARD-MASSACHUSETTS-IX and NET23.
• The AS announces 768 IPv4 addresses across 2 prefixes and 1 IPv6 prefix, while maintaining only 1 observed neighbour, indicating a small-scale internal or corporate network rather than a transit provider.

Notable

• Registrants for the announced prefixes include Lightboard Realty and the American Registry for Internet Numbers.
• The address inventory consists of a /23 block (23.167.200.0/23) and a /24 block (149.112.191.0/24), alongside a /40 IPv6 allocation.

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

Announced prefixes

• 23.167.200.0/23
• 149.112.190.0/23
• 2602:f9c6::/39

Upstream networks

• AS174 Cogent Communications, LLC

Adjacent networks

• AS174 Cogent Communications, LLC