AS33566 — KUB-FIBER-01

Network type: residential

AS33566 announces 21 IPv4 prefixes covering 52,480 addresses and 20 IPv6 prefixes.

About this network

The AS handle KUB-FIBER-01 is held by Knoxville Utilities Board.

What it's used for

• The address space carries fiber internet, television, and home phone services, as indicated by the netname KUB-FIBER-01-V4 and the operator's provision of locally-owned fiber services.
• The AS announces 52480 IPv4 addresses across 25 prefixes and 34 IPv6 prefixes, while maintaining 22 observed neighbours. This ratio of substantial address inventory against a moderate number of peers suggests a regional access network serving a specific utility customer base rather than a large-scale transit provider.

Notable

• All registrants for the largest prefixes are consistently listed as Knoxville Utilities Board, matching the AS holder.
• The address inventory is heavily concentrated in the 162.81.0.0/16 range, with the majority of prefixes falling within this block, alongside a smaller set of 192.147.0.0/16 addresses.
• The organization was originally formed as the Knoxville Electric Power and Water Board in 1938 and was renamed to Knoxville Utilities Board in 1947.

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

Announced prefixes

• 162.81.0.0/24
• 162.81.6.0/23
• 162.81.8.0/23
• 162.81.12.0/22
• 162.81.16.0/20
• 162.81.32.0/19
• 162.81.70.0/24
• 162.81.100.0/22
• 162.81.104.0/21
• 162.81.112.0/23
• 162.81.115.0/24
• 162.81.116.0/23
• 162.81.119.0/24
• 162.81.120.0/24
• 162.81.128.0/18
• 162.81.192.0/19
• 162.81.224.0/21
• 162.81.232.0/22
• 162.81.240.0/20
• 192.147.142.0/23
• 192.147.144.0/23
• 2606:83c0:c00::/38
• 2606:83c0:1000::/36
• 2606:83c0:2000::/37
• 2606:83c0:3000::/37
• 2606:83c0:6400::/38
• 2606:83c0:6800::/37
• 2606:83c0:7000::/39
• 2606:83c0:7300::/40
• 2606:83c0:7400::/39
• 2606:83c0:7700::/40
• 2606:83c0:7800::/40
• 2606:83c0:8000::/37
• 2606:83c0:9000::/36
• 2606:83c0:a000::/35
• 2606:83c0:c000::/35
• 2606:83c0:e000::/40
• 2606:83c0:e400::/40
• 2606:83c0:e800::/37
• 2606:83c0:f000::/40
• 2606:83c0:f400::/39

Upstream networks

• AS6461 Zayo Bandwidth
• AS6939 Hurricane Electric LLC
• AS174 Cogent Communications, LLC
• AS7029 Windstream Communications LLC
• AS24482 SG.GS
• AS293 ESnet
• AS37721 Virtual Technologies & Solutions

Downstream networks

• AS401045 Knox County Government
• AS32096 Knoxville Utilities Board
• AS394617 LCUB

Adjacent networks

• AS6461 Zayo Bandwidth
• AS6939 Hurricane Electric LLC
• AS174 Cogent Communications, LLC
• AS7029 Windstream Communications LLC
• AS24482 SG.GS
• AS37721 Virtual Technologies & Solutions
• AS293 ESnet
• AS401045 Knox County Government
• AS32096 Knoxville Utilities Board
• AS394617 LCUB

Internet exchanges

• Equinix Internet Exchange Ashburn — Ashburn, United States
• Digital Realty Atlanta Internet Exchange — Atlanta, United States