Data as of Nov 11, 2026
192.26.86.0/23
No anonymizer space · no proxy exits in 30 daysNorthwestern University
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 192.26.86.0/24 | 256 | PHYSICS-SAC | Northwestern University (NORTHW-9-Z) · US | Direct Allocation | Jan 7, 1987 | security@ |
| 192.26.87.0/24 | 256 | MS-SAC | Northwestern University (NORTHW-9-Z) · US | Direct Allocation | Jan 7, 1987 | security@ |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS103
US
- Name
- Northwestern University
- Type
- Education
- Registered
- Apr 9, 1987
- Domain
- northwestern.edu
- Website
- www.northwestern.edu
- Industry
- Education and Research
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2018
- Current origin since
- Apr 2018 · 8.6 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 192.26.86.0/24 | AS103 | RADB | Northwestern University | MAINT-AS103 | Nov 13, 2023 |
| 192.26.87.0/24 | AS103 | RADB | Northwestern University | MAINT-AS103 | Nov 13, 2023 |
Whois
Registration for this announcement
192.26.86.0/23 spans several registrations: 2 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 7, 1987
- Status
- assigned