Data as of Nov 14, 2026
131.112.254.0/24
No anonymizer space · no proxy exits in 30 daysInstitute of Science Tokyo · space held by National University Corporation Institute of Science Tokyo
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 131.112.0.0/16 since Aug 2016 | AS9367 | Business | 99 | National University Corporation Institute of Science Tokyo |
Network & registry
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2023
- Current origin since
- Aug 2023 · 3.3 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