Data as of Nov 3, 2026
128.31.0.13
Tor exitResidential-proxy exitAnonymizer
- Proxy exit
- Seen today · 27 of 30 days · 101 observationsProxyRack and 19 more pools · Day by day ↓
- Type
- Tor exitBusiness network
- Risk
- 99 / 100 · Active residential proxy exitlive residential-proxy score
- Operator
- operated by Tor
- Announced by
- AS3Massachusetts Institute of Technologymit.eduEducation
- Announcement
- 128.30.0.0/15No RPKI
- Location
- Cambridgeport, Massachusetts, United StatesAn anonymizer's exit: its user may be anywhere.
Proxy activity
Oct 4, 2026 – Nov 2, 2026
This address, day by day
Network & registry
The block's full lineage, from registry to use, is on its prefix page.
Announced by
Announcement
- Prefix
- 128.30.0.0/15
- Announced by
- AS3 Massachusetts Institute of Technology
- Type
- Business
- Anonymizer addresses
- none
- Proxy exits
- 3
- Always-on exits
- 2
- RPKI
- No RPKI
IPv4 market
Holder
- Organization
- Not stated by the registry
Routing timeline
Who has announced 128.30.0.0/15
128.30.0.0/15
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Jul 2005 · 21 yr
- Origin networks
- 2
- Last change of origin
- Jul 2005
Recorded history
History
- Handoffs
- 1
Whois
Registration for this address
- Range
- 128.31.0.0/16
- Netname
- MIT-RES
- Registrant
- Massachusetts Institute of Technology
- Registrant country
- US
- Organization
- Massachusetts Institute of Technology (MIT-2)
- Org address
- Room W92-167, 77 Massachusetts Avenue, Cambridge, MA, 02139-4307
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-128-31-0-0-1
- Parent
- NET-128-0-0-0-0
- Created
- May 27, 1983
- Updated
- Dec 14, 2021
- RIR
- ARIN
- Country
- US
- Delegated
- May 27, 1983
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Network security
- Phone
- +1-617-253-8304
- Handle
- NETWO5753-ARIN
Geolocation
Location detail
- Country
- United States
- Region
- Massachusetts
- City
- Cambridgeport
- Coordinates
- 42.3584, -71.1037
- Time zone
- America/New_York
- Continent
- North America
- GeoNames
- 4932005