University of Pennsylvania
BGP inherited
Cluster stats
Netblocks9
All fragments 2,929 blocks across 426 clusters
Cluster ID191617668
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 3 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
9 0 netblocks since 2026-07-05
2026-07-05 peak 9 2026-07-06

IP Ranges (9)

⬇ export CSV
CIDR Org name Registry Status Confidence
128.91.0.0/16 University of Pennsylvania BGP ANNOUNCED ● high
130.91.0.0/16 University of Pennsylvania BGP ANNOUNCED ● high
158.130.0.0/16 University of Pennsylvania BGP ANNOUNCED ● high
165.123.0.0/16 University of Pennsylvania BGP ANNOUNCED ● high
165.123.192.0/23 University of Pennsylvania BGP ANNOUNCED ● high
192.5.44.0/24 University of Pennsylvania BGP ANNOUNCED ● high
192.84.2.0/24 University of Pennsylvania BGP ANNOUNCED ● high
2607:f470::/32 University of Pennsylvania BGP ANNOUNCED ● high
2607:f470:5000::/48 University of Pennsylvania BGP ANNOUNCED ● high

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (9 of 9)
No discrepancies found among checked blocks.

NIC Handles

AS400653 AS55 AS69