Data as of Nov 6, 2026
199.249.166.0/24
No anonymizer space · no proxy exits in 30 daysNorthwestern University
Network & registry
Announced by
Covering announcement 199.249.166.0/23
- Prefix
- 199.249.166.0/23
- Announced by
- AS103 Northwestern University
- Type
- Business
- RPKI
- No RPKI
- Netname
- NWURH2
- Registrant
- Northwestern University
- RIR
- ARIN
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 199.249.166.0/23
199.249.166.0/23
Routing history
- Pattern
- Stable
- First seen
- Apr 2018
- Current origin since
- Apr 2018 · 8.6 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 199.
249. 165. 0 - 199. 249. 169. 255 - Netname
- NWURH2
- Registrant
- Northwestern University
- Organization
- Northwestern University (NORTHW-9-Z)
- Org address
- 2020 Ridge Ave, Evanston, IL, 60208
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-199-249-165-0-1
- Parent
- NET-199-0-0-0-0
- Created
- Jun 1, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 1, 1994
- Status
- assigned
Report abuse
Abuse contact
- security@
northwestern. edu - Name
- Northwestern University Network Security
- Phone
- +1-847-467-2222
- Handle
- NUNS-ARIN