Data as of Nov 5, 2026
192.153.95.0/24
No anonymizer space · no proxy exits in 30 daysResearch Organization of Information and Systems, National Institute of Informatics · space held by imported inetnum object for NCSIS-1
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. | 2,560 | NETBLK-SINET-C1 | imported inetnum object for NCSIS-1 | ASSIGNED PORTABLE | — | hostmaster@ |
| └ 192.153.95.0/24 | 256 | SINET | Research Organization of Information and Systems, National Institute of Informatics | ASSIGNED PORTABLE | — | hostmaster@ |
Network & registry
Registry
Holder
- Organization
- imported inetnum object for NCSIS-1
- Range
- 192.
153. 95. 0 - 192. 153. 104. 255 - Registration type
- ASSIGNED 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
- Nov 2005
- Current origin since
- Dec 2016 · 9.9 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 192.
153. 95. 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
- Jun 11, 2025
- RIR
- APNIC
- Country
- JP
- Delegated
- Jun 29, 1993
- Status
- assigned