Data as of Nov 4, 2026
192.50.12.0/24
No anonymizer space · no proxy exits in 30 daysNational Institute of Informatics · space held by imported inetnum object for JNIC
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 192.50.0.0/16 | 65,536 | JAPAN-INET-BLOCK1 | imported inetnum object for JNIC | ALLOCATED PORTABLE | — | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- imported inetnum object for JNIC
- Range
- 192.50.0.0/16
- Registration type
- ALLOCATED PORTABLE
Origin network
AS24287
JP
- Name
- National Institute of Informatics
- Type
- Education
- Registered
- Oct 19, 2004
- Domain
- nii.ac.jp
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2006
- Current origin since
- Jun 2006 · 20 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 192.50.12.0/24
- Netname
- SINET-PI-CIDR-BLK-JP
- Registrant
- Research Organization of Information and Systems, National Institute of Informatics
- Registrant country
- JP
- Organization
- Research Organization of Information and Systems, National Institute of Informatics
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Jul 2, 2024
- RIR
- APNIC
- Country
- JP
- Delegated
- Feb 21, 1989
- Status
- assigned