University of Louisville

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks15 · 65,536 IPv4 addresses
IPv6 1 prefix (largest 2610:1e0:1800::/48)
All fragments 17 blocks across 2 clusters
Cluster ID214379849
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 8 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
16 +1 netblocks since 2026-07-05
2026-07-05 peak 16 2026-07-26

IP Ranges (15)

⬇ export CSV
CIDR Org name Registry Status Confidence
136.165.0.0/16 University of Louisville BGP ANNOUNCED ● high
136.165.0.0/18 University of Louisville BGP ANNOUNCED ● high
136.165.0.0/19 University of Louisville BGP ANNOUNCED ● high
136.165.32.0/19 University of Louisville BGP ANNOUNCED ● high
136.165.64.0/19 University of Louisville BGP ANNOUNCED ● high
136.165.64.0/18 University of Louisville BGP ANNOUNCED ● high
136.165.96.0/19 University of Louisville BGP ANNOUNCED ● high
136.165.128.0/19 University of Louisville BGP ANNOUNCED ● high
136.165.128.0/18 University of Louisville BGP ANNOUNCED ● high
136.165.160.0/19 University of Louisville BGP ANNOUNCED ● high
136.165.192.0/19 University of Louisville BGP ANNOUNCED ● high
136.165.192.0/18 University of Louisville BGP ANNOUNCED ● high
136.165.224.0/19 University of Louisville BGP ANNOUNCED ● high
136.165.244.0/24 University of Louisville BGP ANNOUNCED ● high
2610:1e0:1800::/48 University of Louisville BGP ANNOUNCED ● high

IPv6 ranges (1)

CIDR
2610:1e0:1800::/48

Domains hosted in this network

what's this?
louisville.edu

Network trust

what's this?
RPKI hygiene: F how networks compare →
6.2% of checked blocks have valid RPKI ROA coverage (1 of 16)
No discrepancies found among checked blocks.

NIC Handles

AS1657 UNA3-ARIN UNIVER-261-Z UOFLA-ARIN UOFLH-ARIN UOFLH-ARIN UOFLH-ARIN UOFLN-ARIN