University of Pennsylvania
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 9 · 262,656 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2607:f470::/32) |
| All fragments | 3,249 blocks across 463 clusters |
| Cluster ID | 213595384 |
| Registry | BGP |
| Customers | find 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
12
+3 netblocks since 2026-07-05
2026-07-05
peak 12
2026-07-26
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 |
IPv6 ranges (2)
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
(12 of 12)
No discrepancies found among checked blocks.
NIC Handles
AS400653
AS55
AS69
ISO-ARIN
OBRIE72-ARIN
UNIVE-ARIN
UNIVE-ARIN
UNIVER-8-Z