University of Notre Dame
Data as of 2026-10-18
BGP inherited
This organisation
| Netblocks | 6 · 77,824 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2620:0:2f00::/41) |
| Also registered under this name | 3,769 netblocks across 493 separate records |
| Record ID | 250156526 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 6 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 (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 66.205.160.0/20 | University of Notre Dame | ARIN | DIRECT ALLOCATION | ● high |
| 66.254.224.0/19 | University of Notre Dame | ARIN | DIRECT ALLOCATION | ● high |
| 129.74.0.0/16 | University of Notre Dame | BGP | ANNOUNCED | ● high |
| 129.74.86.0/23 | University of Notre Dame | BGP | ANNOUNCED | ● high |
| 2001:18e8:c00::/48 | University of Notre Dame | ARIN | ASSIGNMENT | ● high |
| 2620:0:2f00::/41 | University of Notre Dame | BGP | ANNOUNCED | ● high |
IPv6 ranges (2)
Footprint over time
12 weekly snapshots · JSON
10
+2 netblocks since 2026-07-26
2026-07-26
peak 10
2026-10-18
Other domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: C
how networks compare →
70.0%
of checked blocks have valid RPKI ROA coverage
(7 of 10)
No discrepancies found among checked blocks.
NIC Handles
AS693
DOMAI482-ARIN
DOMAI482-ARIN
UND
UND-Z
UNDA-ARIN