Data as of Nov 4, 2026
202.244.3.0/24
No anonymizer space · no proxy exits in 30 daysResearch Organization of Information and Systems, National Institute of Informatics · space held by Japan Network Information Center
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 |
|---|---|---|---|---|---|---|
| 202.240.0.0/12 | 1,048,576 | JPNIC-NET-JP | Japan Network Information Center | ALLOCATED PORTABLE | — | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Japan Network Information Center
- Range
- 202.240.0.0/12
- 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
- Apr 2013
- Current origin since
- Apr 2013 · 14 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 202.244.2.0/23
- Netname
- CERI-CIDR-BLK-JP
- Registrant
- Civil Engineering Research Institute of Hokkaido
- Registrant country
- JP
- Organization
- Civil Engineering Research Institute of Hokkaido
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Feb 17, 2015
- RIR
- APNIC
- Country
- JP
- Delegated
- Mar 29, 1995
- Status
- assigned