Data as of Nov 9, 2026
163.225.0.0/16
1 residential-proxy exit · 30 daysResearch Organization of Information and Systems, National Institute of Informatics · space held by Okayama Prefectural University
Residential-proxy exits
Proxy exits
1
<0.01% of its addresses · 30 days
Spread
1 of 256
/24s with at least one exit
Providers
1
selling exits here
Oct 10, 2026 – Nov 8, 2026
Exits seen per day
1 observation
Proxy providers listing exits
- LemonBright
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 | Okayama Prefectural University | MAINT-AS2907 | Mar 2, 2026 |
Whois
Registration for this announcement
- Range
- 163.
225. 0. 0/ 16 - Netname
- OKA-PU-NET
- Registrant
- Okayama Prefectural University
- Registrant country
- JP
- Organization
- Okayama Prefectural University
- Org country
- JP
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Dec 1, 2015
- Maintainer
- MAINT-JPNIC
- RIR
- APNIC
- Country
- JP
- Delegated
- Apr 16, 1993
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
nic. ad. jp - Name
- IRT-JPNIC-JP
- Handle
- IRT-JPNIC-JP