Data as of Nov 9, 2026
163.51.0.0/16
13 residential-proxy exits · 30 daysResearch Organization of Information and Systems, National Institute of Informatics · space held by Kindai University
Residential-proxy exits
Proxy exits
13
0.02% of its addresses · 30 days
Spread
6 of 256
/24s with at least one exit
Providers
30
selling exits here
Oct 10, 2026 – Nov 8, 2026
Exits seen per day
296 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 163.51.101.0/24 | 0 | 5 | |
| 163.51.20.0/24 | 0 | 3 | |
| 163.51.170.0/24 | 0 | 2 | |
| 163.51.23.0/24 | 0 | 1 | |
| 163.51.144.0/24 | 0 | 1 | |
| 163.51.153.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Captcha
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- EnigmaProxy
- FastProxy
- FlashProxy
- FlexyProxies
- GSocks
- Geonix
- GonzoProxy
- IPOasis
- Infatica
- LemonBright
- LightningProxies
- MangoProxy
- NodeProxy
- NovaProxy
- Proxiware
- Proxy-Seller
- ProxyEmpire
- ProxyRack
- Proxyma
- RainProxy
- Shifter
- ThunderProxy
- VibeProxies
- VitalExclusive
- VitalProxy
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 163.51.161.0/24 since Dec 2015 | AS2907 | Business | Kindai University | ||
| 163.51.162.0/24 since Jun 2025 | AS2907 | Business | Kindai University | ||
| 163.51.163.0/24 since Jun 2025 | AS2907 | Business | Kindai University | ||
| 163.51.164.0/24 since Jun 2025 | AS2907 | Business | Kindai University | ||
| 163.51.165.0/24 since Jun 2025 | AS2907 | Business | Kindai University | ||
| 163.51.166.0/24 since Jun 2025 | AS2907 | Business | Kindai University | ||
| 163.51.167.0/24 since Jun 2025 | AS2907 | Business | Kindai University | ||
| 163.51.168.0/24 since Jun 2025 | AS2907 | Business | Kindai University | ||
| 163.51.169.0/24 since Jun 2025 | AS2907 | Business | Kindai University | ||
| 163.51.170.0/24 since Jun 2025 | AS2907 | Business | 2 | Kindai University | |
| 163.51.171.0/24 since Jun 2025 | AS2907 | Business | Kindai University | ||
| 163.51.172.0/24 since Jun 2025 | AS2907 | Business | Kindai University | ||
| 163.51.173.0/24 since Jun 2025 | AS2907 | Business | Kindai University | ||
| 163.51.174.0/24 since Dec 2015 | AS2907 | Business | Kindai University |
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 | Kinki University | MAINT-AS2907 | Mar 2, 2026 |
Whois
Registration for this announcement
- Range
- 163.
51. 0. 0/ 16 - Netname
- KNURINK
- Registrant
- Kindai University
- Registrant country
- JP
- Organization
- Kindai University
- Org country
- JP
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jul 10, 2017
- Maintainer
- MAINT-JPNIC
- RIR
- APNIC
- Country
- JP
- Delegated
- Jul 24, 1992
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
nic. ad. jp - Name
- IRT-JPNIC-JP
- Handle
- IRT-JPNIC-JP