Data as of Nov 7, 2026
173.250.224.0/22
No anonymizer space · no proxy exits in 30 daysUniversity of Washington
Network & registry
Announced by
Covering announcement 173.250.224.0/21
- Prefix
- 173.250.224.0/21
- Announced by
- AS14221 University of Washington
- Type
- Business
- RPKI
- No RPKI
- Netname
- UW-SEATTLE-07
- Registrant
- University of Washington
- RIR
- ARIN
Origin network
AS14221
US
- Name
- University of Washington
- Type
- Education
- Registered
- Jul 16, 2007
- Domain
- washington.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 173.250.224.0/21
173.250.224.0/21
Routing history
- Pattern
- Stable
- First seen
- Dec 2014
- Current origin since
- Dec 2014 · 12 yr
- Origin networks
- 1
IRR
Route objects on 173.250.224.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS14221 | RADB | UW-SEATTLE-07 | MAINT-AS73 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 173.
250. 224. 0/ 21 - Netname
- UW-SEATTLE-07
- Registrant
- University of Washington
- Organization
- University of Washington (UWND)
- Org address
- 4545 15th Ave NE, Seattle, WA, 98105
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-173-250-224-0-1
- Parent
- NET-173-0-0-0-0
- Created
- Jun 8, 2010
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 8, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuse@
uw. edu - Name
- University of Washington Security Operations
- Phone
- +1-206-221-7000
- Handle
- UWSO-ARIN