Data as of Nov 5, 2026
133.33.0.0/24
No anonymizer space · no proxy exits in 30 daysUniversity of Shizuoka · space held by Japan Network Information Center
Network & registry
Announced by
Covering announcement 133.33.0.0/16
- Prefix
- 133.33.0.0/16
- Announced by
- AS23615 University of Shizuoka
- Type
- Business
- RPKI
- No RPKI
- Netname
- JPNIC-NET-JP-ERX
- Registrant
- Japan Network Information Center
- RIR
- APNIC
Origin network
AS23615
JP
- Name
- University of Shizuoka
- Type
- Education
- Registered
- Jan 31, 2003
- Domain
- u-shizuoka-ken.ac.jp
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 133.33.0.0/16
133.33.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
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