133.15.22.28
An address in Tokyo, Japan, announced by Research Organization of Information and Systems, National Institute of Informatics (AS2907). It's an SSH server on port 22 and a web server on ports 80 and 443.
Summary
Geolocation
Where the address is, and what that place uses.
- City
- Tokyo
- Region
- Tokyo
- Postal code
- 100-0001
- Country
- Japan
- Continent
- Asia
- Coordinates
- 35.6895, 139.6917
- Timezone
- Asia/Tokyo
Ownership
Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.
- Company
- Research Organization of Information and Systems, National Institute of Informatics
- Domain
- sinet.ad.jp
- Type
- Education
- Registered in
- Japan
- AS number
- AS2907
- Name
- Research Organization of Information and Systems, National Institute of Informatics
- Prefix
- 133.15.0.0/16
- RPKI
- Not found
- Type
- Education
- Domain
- sinet.ad.jp
- Registered in
- Japan
- Name
- Japan Network Information Center
- Network name
- JPNIC-NET-JP-ERX
- Status
- ALLOCATED PORTABLE
- Registry
- APNIC
- Domain
- nic.ad.jp
- Abuse
- hostmaster@nic.ad.jp
- Name
- Research Organization of Information and Systems, National Institute of Informatics
- abuse@sinet.ad.jp
- Phone
- +81-3-4212-2265
- Address
- 2-1-2 Hitotsubashi, Chiyoda-ku, Tokyo 101-8430, Japan
- Network
- 133.0.0.0-133.255.255.255
Anonymity
Whether the address hides someone else: a VPN, Tor, a relay, a proxy pool, or a hosting range.
Network
What kind of network it is on: a mobile carrier, a satellite operator, an anycast service, a CDN edge.
Services
What our own internet-wide measurement found listening on it.
- Port
- 22
- Banner
- SSH-2.0-OpenSSH_10.2p1 Ubuntu-2ubuntu3.8
- Host key
- SHA256:2089697a1454786ef5694dbe1858e5ada4d12f03dc8faf3e6d05f0839962f1c8
- Handshake
- Completed
- First seen
- 2026-10-15
- Last seen
- 2026-10-29
- 80 status
- 301
- 80 redirect
- https://gauss.int.ee.tut.ac.jp
- 80 server
- Apache/2.4.66 (Ubuntu)
- 80 title
- 301 Moved Permanently
- 80 seen
- 2026-08-08 to 2026-10-22
- 443 status
- 302
- 443 redirect
- https://gauss.int.ee.tut.ac.jp/
- 443 server
- Apache/2.4.66 (Ubuntu)
- 443 TLS
- TLSv1.3
- 443 certificate
- gauss
- 443 issuer
- CN=gauss
- 443 browser-trusted
- No
- 443 seen
- 2026-08-07 to 2026-10-30
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