Data as of Nov 7, 2026
204.
Anonymizer- Proxy activity
- Not seen in 30 days
- Type
- Tor exitBusiness network
- Risk
- 95 / 100 · Critical
- Operator
- operated by Tor
- Announced by
- AS9Carnegie Mellon Universitycmu.eduEducation
- Announcement
- 204.194.28.0/22No RPKI
- Location
- Bloomfield, Pennsylvania, United StatesAn anonymizer's exit: its user may be anywhere.
Network & registry
The block's full lineage, from registry to use, is on its prefix page.
Announced by
Announcement
- Prefix
- 204.194.28.0/22
- Announced by
- AS9 Carnegie Mellon University
- Type
- Business
- Anonymizer addresses
- 1 addresses · 0.10%Tor exit
- RPKI
- No RPKI
Origin network
AS9
US
- Name
- Carnegie Mellon University
- Type
- Education
- Registered
- Apr 17, 1984
- Domain
- cmu.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
- Tor exits
- 1
Routing timeline
Who has announced 204.194.28.0/22
204.194.28.0/22
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
Whois
Registration for this address
- Range
- 204.
194. 28. 0/ 22 - Netname
- CMU-DOTCOM
- Registrant
- Carnegie Mellon University
- Organization
- Carnegie Mellon University (CARNEG-Z)
- Org address
- Cyert Hall 215, Pittsburgh, PA, 15213
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-204-194-28-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Dec 2, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 2, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
andrew. cmu. edu - Name
- Carnegie Mellon Abuse
- Phone
- +1-412-268-4357
- Handle
- CMA3-ARIN
Geolocation
Location detail
- Country
- United States
- Region
- Pennsylvania
- City
- Bloomfield
- Coordinates
- 40.
4609, -79. 9509 - Time zone
- America/New_York
- Continent
- North America
- GeoNames
- 5180905