Princeton University

Data as of 2026-08-23
BGP inherited
Cluster stats
Netblocks14 · 137,984 IPv4 addresses
IPv6 2 prefixes (largest 2604:4540:1000::/36)
Cluster ID226993063
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

9 weekly snapshots · JSON
17 +5 netblocks since 2026-07-05
2026-07-05 peak 17 2026-08-23

IP Ranges (14)

⬇ 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 ARIN DIRECT ALLOCATION ● high
140.180.0.0/16 Princeton University BGP ANNOUNCED ● high
192.12.53.0/24 Princeton University ARIN DIRECT ALLOCATION ● 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)

CIDR
2604:4540:1000::/36
2620:c4::/48

Domains hosted in this network

what's this?
princeton.edu frugalware.org

Network trust

what's this?
RPKI hygiene: B how networks compare →
82.4% of checked blocks have valid RPKI ROA coverage (14 of 17)
No discrepancies found among checked blocks.

NIC Handles

ABUSE16-ARIN AS400065 AS88 CINN-ARIN CINN-ARIN ONS1-ARIN PRNU PRNU-Z