Data as of Nov 5, 2026
192.50.0.0/21
No anonymizer space · no proxy exits in 30 daysOsaka University · space held by imported inetnum object for JNIC
Network & registry
Origin network
AS4730
JP
- Name
- Osaka University
- Type
- Education
- Registered
- Aug 30, 1995
- Domain
- osaka-u.ac.jp
- 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 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4730 | JPIRR | Osaka University | MAINT-AS2907 | Sep 1, 2026 |
Whois
Registration for this announcement
- Range
- 192.
50. 0. 0/ 16 - Netname
- JAPAN-INET-BLOCK1
- Registrant
- imported inetnum object for JNIC
- Registrant country
- JP
- Organization
- imported inetnum object for JNIC
- Org country
- JP
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Dec 1, 2015
- Maintainer
- MAINT-JPNIC
- RIR
- APNIC
- Country
- JP
- Delegated
- Feb 21, 1989
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
nic. ad. jp - Name
- IRT-JPNIC-JP
- Handle
- IRT-JPNIC-JP