Data as of Nov 12, 2026
133.74.0.0/16
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
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 133.74.0.0/17 since Oct 2008 | AS3488 | Business | Japan Network Information Center | |
| 133.74.128.0/18 since Oct 2008 | AS3488 | Business | Japan Network Information Center | |
| 133.74.192.0/18 since Oct 2008 | AS2907 | Business | Japan Network Information Center |
Network & registry
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
- May 2005 · 22 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2907 | JPIRR | Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency | MAINT-AS2907 | Sep 1, 2026 |
Whois
Registration for this announcement
- Range
- 133.
0. 0. 0/ 8 - Netname
- JPNIC-NET-JP-ERX
- Registrant
- Japan Network Information Center
- Registrant country
- JP
- Organization
- Japan Network Information Center
- Org country
- JP
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Nov 1, 2022
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- JP
- Delegated
- Mar 1, 1997
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
nic. ad. jp - Name
- ABUSE JPNICJP
- Handle
- AJ382-AP