University of Pennsylvania
Data as of 2026-09-06
BGP inherited
This organisation
| Netblocks | 9 · 262,656 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2607:f470::/32) |
| Also registered under this name | 3,715 netblocks across 491 separate records |
| Record ID | 237005840 |
| Registry | BGP |
| Customers | see who runs inside 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 | |
IP Ranges (9)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 128.91.0.0/16 | University of Pennsylvania | ARIN | DIRECT ALLOCATION | ● high |
| 130.91.0.0/16 | University of Pennsylvania | ARIN | DIRECT ALLOCATION | ● high |
| 158.130.0.0/16 | University of Pennsylvania | ARIN | DIRECT ALLOCATION | ● high |
| 165.123.0.0/16 | University of Pennsylvania | ARIN | DIRECT ALLOCATION | ● high |
| 165.123.192.0/23 | University of Pennsylvania | BGP | ANNOUNCED | ● high |
| 192.5.44.0/24 | University of Pennsylvania | ARIN | DIRECT ALLOCATION | ● high |
| 192.84.2.0/24 | University of Pennsylvania | ARIN | DIRECT ALLOCATION | ● high |
| 2607:f470::/32 | University of Pennsylvania | BGP | ANNOUNCED | ● high |
| 2607:f470:5000::/48 | University of Pennsylvania | BGP | ANNOUNCED | ● high |
IPv6 ranges (2)
Footprint over time
11 weekly snapshots · JSON
15
+6 netblocks since 2026-07-05
2026-07-05
peak 15
2026-09-06
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(15 of 15)
No discrepancies found among checked blocks.
NIC Handles
AS400653
AS55
AS69
ISO-ARIN
OBRIE72-ARIN
UNIVE-ARIN
UNIVE-ARIN
UNIVER-8-Z