Data as of Nov 14, 2026
202.25.80.0/23
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. | 262,144 | JPNIC-NET-JP | Japan Network Information Center | ALLOCATED PORTABLE | — | hostmaster@ |
Network & registry
IPv4 market
Holder
- Organization
- Japan Network Information Center
- Range
- 202.
23. 0. 0 - 202. 26. 255. 255 - 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
- May 2005
- Current origin since
- Feb 2020 · 6.8 yr
- Origin networks
- 2
- Last change of origin
- Feb 2020
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 202.
25. 80. 0/ 21 - Netname
- NDA-CIDR-BLK-JP
- Registrant
- National Defense Academy
- Registrant country
- JP
- Organization
- National Defense Academy
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Mar 14, 2012
- RIR
- APNIC
- Country
- JP
- Delegated
- Mar 29, 1995
- Status
- assigned