ResearchRouting table, RPKI, IRR & looking glass

AS33566 Knoxville Utilities Board

AS33566 (KUB-FIBER-01) is registered to Knoxville Utilities Board in US. It originates 87 prefixes in the global routing table.

47
IPv4 prefixes
40
IPv6 prefixes
52,224
IPv4 addresses
0%
RPKI valid
Registration

Who holds AS33566

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS33566
Handle
KUB-FIBER-01
Organization
Knoxville Utilities Board
Country
US
ASPA
None published
Routing

What AS33566 announces

Prefixes originated by AS33566 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
47
IPv6 prefixes
40
IPv4 addresses
52,224 (204 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
87
ROAs naming AS33566
1
With an IRR route object
0 0%
Prefixes

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (47)
162.81.0.0/24162.81.6.0/23162.81.8.0/24162.81.12.0/22162.81.16.0/20162.81.32.0/20162.81.48.0/20162.81.70.0/24162.81.100.0/24162.81.101.0/24162.81.102.0/24162.81.103.0/24162.81.104.0/24162.81.105.0/24162.81.106.0/24162.81.107.0/24162.81.108.0/24162.81.109.0/24162.81.110.0/24162.81.111.0/24162.81.112.0/24162.81.113.0/24162.81.115.0/24162.81.116.0/24162.81.117.0/24162.81.119.0/24162.81.120.0/24162.81.128.0/20162.81.144.0/21162.81.152.0/21162.81.160.0/21162.81.168.0/21162.81.176.0/21162.81.184.0/21162.81.192.0/21162.81.200.0/21162.81.208.0/20162.81.224.0/22162.81.228.0/22162.81.232.0/22162.81.240.0/22162.81.244.0/22162.81.248.0/21192.147.142.0/24192.147.143.0/24192.147.144.0/24192.147.145.0/24
IPv6 (40)
2606:83c0:c00::/382606:83c0:1000::/362606:83c0:2000::/372606:83c0:3000::/372606:83c0:6400::/402606:83c0:6500::/402606:83c0:6600::/402606:83c0:6700::/402606:83c0:6800::/402606:83c0:6900::/402606:83c0:6a00::/402606:83c0:6b00::/402606:83c0:6c00::/402606:83c0:6d00::/402606:83c0:6e00::/402606:83c0:6f00::/402606:83c0:7000::/402606:83c0:7100::/402606:83c0:7300::/402606:83c0:7400::/402606:83c0:7500::/402606:83c0:7700::/402606:83c0:7800::/402606:83c0:8000::/372606:83c0:9000::/372606:83c0:9800::/372606:83c0:a000::/372606:83c0:a251::/482606:83c0:a800::/372606:83c0:b000::/372606:83c0:b800::/372606:83c0:c000::/372606:83c0:c800::/372606:83c0:d000::/372606:83c0:e000::/402606:83c0:e400::/402606:83c0:e800::/372606:83c0:f000::/402606:83c0:f400::/402606:83c0:f500::/48

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS33566 is reached through

The AS just before AS33566 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS6461 ZAYO-6461 60AS6939 HURRICANE 56AS174 COGENT-174 47
IRR

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
ARINAS33566MNT-KUB1

Route objects with origin AS33566: ARIN 3 · RADB 2

as-sets that list AS33566 (4)
AS-DRIXAS-LEVEL3-ORIGINS-NAAS-WINDSTREAM-CUSTAS33566:AS-KUBFIBER
Tools

Check AS33566 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup