Data as of Nov 11, 2026
131.112.52.0/24
1 residential-proxy exit · 30 daysInstitute of Science Tokyo · space held by National University Corporation Institute of Science Tokyo
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
2
selling exits here
Oct 12, 2026 – Nov 10, 2026
Exits seen per day
1 observation
Proxy providers listing exits
- LemonBright
- VitalExclusive
Network & registry
Announced by
Covering announcement 131.112.0.0/16
- Prefix
- 131.112.0.0/16
- Announced by
- AS9367 Institute of Science Tokyo
- Type
- Business
- Proxy exits
- 93
- RPKI
- No RPKI
- Netname
- STNET
- Registrant
- National University Corporation Institute of Science Tokyo
- RIR
- APNIC
Origin network
AS9367
JP
- Name
- Institute of Science Tokyo
- Type
- Education
- Registered
- Aug 17, 1998
- Domain
- titech.ac.jp
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 131.112.0.0/16
131.112.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Aug 2016 · 10 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 131.
112. 0. 0/ 16 - Netname
- STNET
- Registrant
- National University Corporation Institute of Science Tokyo
- Registrant country
- JP
- Organization
- National University Corporation Institute of Science Tokyo
- Org country
- JP
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Mar 21, 2025
- Maintainer
- MAINT-JPNIC
- RIR
- APNIC
- Country
- JP
- Delegated
- Nov 15, 1988
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
nic. ad. jp - Name
- IRT-JPNIC-JP
- Handle
- IRT-JPNIC-JP