Data as of Nov 4, 2026
128.173.0.0/16
2 residential-proxy exits · 30 daysVirginia Polytechnic Institute and State Univ.
Residential-proxy exits
Proxy exits
2
<0.01% of its addresses · 30 days
Spread
1 of 256
/24s with at least one exit
Providers
2
selling exits here
Oct 5, 2026 – Nov 3, 2026
Exits seen per day
328 observations
Proxy providers listing exits
- ColaProxy
- Thordata
Network & registry
Origin network
AS1312
US
- Name
- Virginia Polytechnic Institute and State Univ.
- Type
- Education
- Registered
- Jul 19, 1991
- Domain
- vt.edu
- Website
- www.vt.edu/
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 128.173.0.0/16 | AS1312 | /16 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 128.
173. 0. 0/ 16 - Netname
- VA-TECH
- Registrant
- Virginia Polytechnic Institute and State Univ.
- Organization
- Virginia Polytechnic Institute and State Univ. (VPISU)
- Org address
- Communications Network Services, Blacksburg, VA, 24061-0506
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-128-173-0-0-1
- Parent
- NET-128-0-0-0-0
- Created
- Oct 21, 1986
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 21, 1986
- Status
- assigned
Report abuse
Abuse contact
- abuse@
vt. edu - Name
- Virginia Tech Operations Center
- Phone
- +1-540-231-4357
- Handle
- VTOC-ARIN