Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS33566

Announcement observedARIN

Knoxville Utilities Board · KUB-FIBER-01

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/22/2026, 17:23:37Snapshot expired

View network topology RDAP registration

ASN: AS33566
Registration country: United States
Name: Knoxville Utilities Board
Abbreviation: KUB-FIBER-01
Registration date: 7/24/2012, 18:55:48
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
162.81.0.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.100.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.101.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.102.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.103.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.104.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.105.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.106.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.107.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.108.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.109.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.110.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.111.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.112.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.113.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.115.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.116.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.117.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.119.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.12.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.120.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.128.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.144.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.152.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.16.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.160.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.168.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.176.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.184.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.192.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.200.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.208.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.224.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.228.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.232.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.240.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.244.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.248.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.252.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/1/2026, 08:00:00	✓	×	Historical record
162.81.32.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.48.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.6.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.70.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.8.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
162.81.9.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/1/2026, 08:00:00	✓	×	Historical record
192.147.142.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
192.147.143.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
192.147.144.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
192.147.145.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
66.97.177.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	9/23/2026, 08:00:00	✓	×	Historical record

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: Knoxville Utilities Board
RIR: ARIN
Registration country: United States
Registration date: 7/24/2012, 18:55:48
Abuse contact: noc@kub.org

Snapshot trend

10/22/2026, 17:23:3747 v440 v67 Upstream · 5 Uncertain

10/2/2026, 15:38:1350 v440 v610 Upstream · 7 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn