$ query “AS33566” --type=asn → 1 result(s)
AS33566 · KUB-FIBER-01
Knoxville Utilities Board
AS33566 is operated by Knoxville Utilities Board and serves as an enterprise access provider, based in the United States since 2012. The system announces a respectable 49 920 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United States.
Basic Information
- Country
- 🇺🇸 United States
- Category
- Business
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- July 24, 2012
- Last Changed
- March 08, 2026
- Last Seen
- May 01, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 46 / 25
- IPv6 Prefixes (raw / aggregated)
- 37 / 23
- IPv4 Addresses
- 49 920
- Largest IPv4 Prefix
- /19 (8 192 addresses)
- Largest IPv6 Prefix
- /35
- Geolocated Countries
- 🇺🇸 United States (50 432 IPs)
- Prefix Changed
- April 21, 2026
Reputation
- Reputation
- Good — 6 flagged IPs out of 49 920 total (0.01%)
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Peers
- 26 networks exchanging traffic without transit
- Downstream Customers
- 3 downstreams buying transit
- Degree
- 32 unique BGP neighbors
- Reach
- 3 networks in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (46 total)
- 162.81.192.0/19 (8 192 addresses (/19 prefix))
- 162.81.32.0/19 (8 192 addresses (/19 prefix))
- 162.81.160.0/19 (8 192 addresses (/19 prefix))
- 162.81.240.0/20 (4 096 addresses (/20 prefix))
- 162.81.128.0/20 (4 096 addresses (/20 prefix))
- 162.81.16.0/20 (4 096 addresses (/20 prefix))
- 162.81.144.0/21 (2 048 addresses (/21 prefix))
- 162.81.224.0/21 (2 048 addresses (/21 prefix))
- 162.81.232.0/22 (1 024 addresses (/22 prefix))
- 162.81.108.0/22 (1 024 addresses (/22 prefix))
- 162.81.100.0/22 (1 024 addresses (/22 prefix))
- 162.81.12.0/22 (1 024 addresses (/22 prefix))
- 162.81.104.0/23 (512 addresses (/23 prefix))
- 162.81.112.0/23 (512 addresses (/23 prefix))
- 162.81.116.0/23 (512 addresses (/23 prefix))
- 192.147.142.0/23 (512 addresses (/23 prefix))
- 192.147.144.0/23 (512 addresses (/23 prefix))
- 162.81.6.0/23 (512 addresses (/23 prefix))
- 162.81.70.0/24 (256 addresses (/24 prefix))
- 162.81.120.0/24 (256 addresses (/24 prefix))
- 162.81.119.0/24 (256 addresses (/24 prefix))
- 162.81.115.0/24 (256 addresses (/24 prefix))
- 162.81.107.0/24 (256 addresses (/24 prefix))
- 162.81.0.0/24 (256 addresses (/24 prefix))
- 162.81.8.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (37 total)
- 2606:83c0:a000::/35
- 2606:83c0:1000::/36
- 2606:83c0:c000::/36
- 2606:83c0:8000::/37
- 2606:83c0:2000::/37
- 2606:83c0:3000::/37
- 2606:83c0:e800::/37
- 2606:83c0:d000::/37
- 2606:83c0:9000::/37
- 2606:83c0:6400::/38
- 2606:83c0:c00::/38
- 2606:83c0:6c00::/38
- 2606:83c0:6800::/39
- 2606:83c0:7400::/39
- 2606:83c0:7000::/39
- 2606:83c0:7800::/40
- 2606:83c0:7700::/40
- 2606:83c0:7300::/40
- 2606:83c0:e000::/40
- 2606:83c0:e400::/40
- 2606:83c0:6b00::/40
- 2606:83c0:f000::/40
- 2606:83c0:f400::/40