Data as of Nov 4, 2026
133.69.172.0/22
No anonymizer space · no proxy exits in 30 daysThe University of Tokyo Interfaculty Initiative in Information Studies · space held by Japan Network Information Center
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 133.69.0.0/16 since Jun 2020 | AS2523 | Business | 1 | Japan Network Information Center |
Network & registry
Origin network
AS45688
JP
- Name
- The University of Tokyo Interfaculty Initiative in Information Studies
- Type
- Education
- Registered
- Apr 2, 2009
- Domain
- u-tokyo.ac.jp
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2015
- Current origin since
- Sep 2016 · 10 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