Data as of Nov 4, 2026
133.86.251.0/24
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
Network & registry
Announced by
Covering announcement 133.86.0.0/16
- Prefix
- 133.86.0.0/16
- Announced by
- AS2907 Research Organization of Information and Systems, National Institute of Informatics
- Type
- Business
- Proxy exits
- 9
- RPKI
- No RPKI
- Netname
- JPNIC-NET-JP-ERX
- Registrant
- Japan Network Information Center
- RIR
- APNIC
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 133.86.0.0/16
133.86.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Aug 2013 · 13 yr
- Origin networks
- 3
- Last change of origin
- Aug 2013
Recorded history
History
- Handoffs
- 2
IRR
Route objects on 133.86.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2907 | JPIRR | Tokyo Metropolitan University | MAINT-AS2907 | Oct 1, 2025 |
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
- [email protected]
- Name
- ABUSE JPNICJP
- Handle
- AJ382-AP