133.6.121.194
IPv4 address
133.6.121.194
An address in Tokyo, Japan, announced by National University Corporation Nagoya University (AS17687). It's a web server on ports 80 and 443.
Summary
Ownership
mail.ercscd.env.nagoya-u.ac.jp
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
- National University Corporation Nagoya University
- Domain
- nagoya-u.ac.jp
- Type
- Education
- Registered in
- Japan
- AS number
- AS17687
- Name
- National University Corporation Nagoya University
- Prefix
- 133.6.0.0/16
- RPKI
- Not found
- Type
- Education
- Domain
- nagoya-u.ac.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
- ABUSE JPNICJP
- hostmaster@nic.ad.jp
- Phone
- +81-3-5297-2312
- Address
- Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda, Chiyoda-ku, Tokyo 101-0047, japan
- Network
- 133.0.0.0-133.255.255.255
Not seen inIP RWHOIS
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.
- 80 status
- 404
- 80 server
- Apache
- 80 title
- 404 Not Found
- 80 seen
- 2026-08-09 to 2026-10-29
- 443 status
- 200
- 443 server
- Apache
- 443 title
- 統合サーバポータル
- 443 TLS
- TLSv1.3
- 443 certificate
- admin.ercscd.env.nagoya-u.ac.jp · Nagoya University
- 443 issuer
- C=JP, O=SECOM Trust Systems Co.\, Ltd., CN=NII Open Domain CA - G8 RSA
- 443 browser-trusted
- Yes
- 443 seen
- 2026-08-08 to 2026-10-27
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