Data as of Nov 7, 2026
192.51.168.0/22
No anonymizer space · no proxy exits in 30 daysResearch Organization of Information and Systems, National Institute of Informatics · space held by Inter-University Research Institute Corporation, National Institutes
Network & registry
Registry
Holder
- Organization
- Inter-University Research Institute Corporation, National Institutes
- Range
- 192.
51. 168. 0/ 22 - Registration type
- ALLOCATED PORTABLE
Origin network
AS2907
JP
- Name
- Research Organization of Information and Systems, National Institute of Informatics
- Type
- Education
- Registered
- Aug 1, 2002
- Domain
- sinet.ad.jp
- Website
- www.sinet.ad.jp/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2013
- Current origin since
- Aug 2016 · 10 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2907 | JPIRR | National Museum of Ethnology | MAINT-AS2907 | Mar 2, 2026 |
Whois
Registration for this announcement
- Range
- 192.
51. 168. 0/ 22 - Netname
- MINPAKU-NET-CIDR-BLK-JP
- Registrant
- Inter-University Research Institute Corporation, National Institutes for the Humanities, National Museum of Ethnology
- Registrant country
- JP
- Organization
- Inter-University Research Institute Corporation, National Institutes for the Humanities, National Museum of Ethnology
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Nov 11, 2014
- RIR
- APNIC
- Country
- JP
- Delegated
- Jun 29, 1993
- Status
- assigned