Data as of Nov 10, 2026
140.142.21.0/24
No anonymizer space · no proxy exits in 30 daysUniversity of Washington
Network & registry
Announced by
Covering announcement 140.142.0.0/16
- Prefix
- 140.142.0.0/16
- Announced by
- AS73 University of Washington
- Type
- Business
- RPKI
- No RPKI
- Netname
- UW-SEA
- Registrant
- University of Washington
- RIR
- ARIN
Origin network
AS73
US
- Name
- University of Washington
- Type
- Education
- Registered
- May 5, 1986
- Domain
- washington.edu
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 140.142.0.0/16
140.142.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
IRR
Route objects on 140.142.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS73 | RADB | UW-SEA | MAINT-AS73 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 140.
142. 0. 0/ 16 - Netname
- UW-SEA
- Registrant
- University of Washington
- Organization
- University of Washington (UWND-Z)
- Org address
- 4545 15th Ave NE, Seattle, WA, 98105
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-140-142-0-0-1
- Parent
- NET-140-0-0-0-0
- Created
- Apr 24, 1990
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 24, 1990
- Status
- assigned
Report abuse
Abuse contact
- abuse@
uw. edu - Name
- University of Washington Security Operations
- Phone
- +1-206-221-7000
- Handle
- UWSO-ARIN