Princeton University
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 13 · 137,728 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2604:4540:1000::/36) |
| Cluster ID | 213435780 |
| 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
16
+4 netblocks since 2026-07-05
2026-07-05
peak 16
2026-07-26
IP Ranges (13)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 66.180.176.0/20 | Princeton University | ARIN | DIRECT ALLOCATION | ● high |
| 128.112.0.0/16 | Princeton University | BGP | ANNOUNCED | ● high |
| 140.180.0.0/16 | Princeton University | BGP | ANNOUNCED | ● high |
| 199.111.8.0/24 | Princeton University | BGP | ANNOUNCED | ● high |
| 199.111.8.0/23 | Princeton University | BGP | ANNOUNCED | ● high |
| 204.153.48.0/24 | Princeton University | BGP | ANNOUNCED | ● high |
| 204.153.48.0/22 | Princeton University | ARIN | DIRECT ALLOCATION | ● high |
| 204.153.49.0/24 | Princeton University | BGP | ANNOUNCED | ● high |
| 204.153.50.0/24 | Princeton University | BGP | ANNOUNCED | ● high |
| 204.153.51.0/24 | Princeton University | BGP | ANNOUNCED | ● high |
| 205.172.164.0/22 | Princeton University | BGP | ANNOUNCED | ● high |
| 2604:4540:1000::/36 | Princeton University | BGP | ANNOUNCED | ● high |
| 2620:c4::/48 | Princeton University | BGP | ANNOUNCED | ● high |
IPv6 ranges (2)
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: B
how networks compare →
81.2%
of checked blocks have valid RPKI ROA coverage
(13 of 16)
No discrepancies found among checked blocks.
NIC Handles
ABUSE16-ARIN
AS400065
AS88
CINN-ARIN
CINN-ARIN
ONS1-ARIN
PRNU
PRNU-Z