Northwestern University
Data as of 2026-08-23
GLEIF verified
LEI
OBWWNZE695DUK77DTI34
Registered name
Northwestern University
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 36 · 152,064 IPv4 addresses |
| IPv6 | 3 prefixes (largest 2620:10d:2000::/41) |
| Cluster ID | 226909293 |
| Registry | BGP |
| Owner jurisdiction | US-IL |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI OBWWNZE695DUK77DTI34 |
| 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 | |
Footprint over time
9 weekly snapshots · JSON
42
+11 netblocks since 2026-07-05
2026-07-05
peak 42
2026-08-23
IP Ranges (36)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 8.28.178.0/23 | Northwestern University | BGP | ANNOUNCED | ● high |
| 8.30.248.0/22 | Northwestern University | BGP | ANNOUNCED | ● high |
| 38.124.97.0/24 | Northwestern University | BGP | ANNOUNCED | ● high |
| 129.105.0.0/16 | Northwestern University | ARIN | DIRECT ALLOCATION | ● high |
| 165.124.0.0/16 | Northwestern University | ARIN | DIRECT ALLOCATION | ● high |
| 165.124.0.0/17 | Northwestern University | BGP | ANNOUNCED | ● high |
| 165.124.17.0/24 | Northwestern University | BGP | ANNOUNCED | ● high |
| 165.124.128.0/19 | Northwestern University | BGP | ANNOUNCED | ● high |
| 165.124.149.0/24 | Northwestern University | BGP | ANNOUNCED | ● high |
| 165.124.160.0/20 | Northwestern University | BGP | ANNOUNCED | ● high |
| 165.124.176.0/21 | Northwestern University | BGP | ANNOUNCED | ● high |
| 165.124.184.0/23 | Northwestern University | BGP | ANNOUNCED | ● high |
| 165.124.186.0/24 | Northwestern University | BGP | ANNOUNCED | ● high |
| 165.124.192.0/19 | Northwestern University | BGP | ANNOUNCED | ● high |
| 165.124.224.0/21 | Northwestern University | BGP | ANNOUNCED | ● high |
| 165.124.232.0/22 | Northwestern University | BGP | ANNOUNCED | ● high |
| 165.124.240.0/20 | Northwestern University | BGP | ANNOUNCED | ● high |
| 192.5.143.0/24 | Northwestern University | BGP | ANNOUNCED | ● high |
| 192.26.85.0/24 | Northwestern University | BGP | ANNOUNCED | ● high |
| 192.26.86.0/24 | Northwestern University | ARIN | DIRECT ALLOCATION | ● high |
| 192.26.86.0/23 | Northwestern University | BGP | ANNOUNCED | ● high |
| 192.26.87.0/24 | Northwestern University | ARIN | DIRECT ALLOCATION | ● high |
| 192.31.155.0/24 | Northwestern University | ARIN | DIRECT ALLOCATION | ● high |
| 192.31.253.0/24 | Northwestern University | BGP | ANNOUNCED | ● high |
| 199.74.64.0/18 | Northwestern University | BGP | ANNOUNCED | ● high |
| 199.249.165.0 – 199.249.169.255 | Northwestern University | ARIN | DIRECT ALLOCATION | ● high |
| 199.249.165.0/24 | Northwestern University | BGP | ANNOUNCED | ● high |
| 199.249.166.0/24 | Northwestern University | BGP | ANNOUNCED | ● high |
| 199.249.166.0/23 | Northwestern University | BGP | ANNOUNCED | ● high |
| 199.249.167.0/24 | Northwestern University | BGP | ANNOUNCED | ● high |
| 199.249.168.0/24 | Northwestern University | BGP | ANNOUNCED | ● high |
| 199.249.168.0/23 | Northwestern University | BGP | ANNOUNCED | ● high |
| 199.249.169.0/24 | Northwestern University | BGP | ANNOUNCED | ● high |
| 2401:eee0:140::/42 | Northwestern University | BGP | ANNOUNCED | ● high |
| 2401:eee0:180::/42 | Northwestern University | BGP | ANNOUNCED | ● high |
| 2620:10d:2000::/41 | Northwestern University | BGP | ANNOUNCED | ● high |
IPv6 ranges (3)
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: F
how networks compare →
4.8%
of checked blocks have valid RPKI ROA coverage
(2 of 42)
No discrepancies found among checked blocks.
NIC Handles
AS103
NORTHW-9-Z
NTN7-ARIN
NUN-ARIN
NUNA-ARIN
NUNS-ARIN