125.175.103.7
An address in Sapporo, Hokkaido, Japan, used by Open Computer Network, announced by NTT DOCOMO BUSINESS,Inc. (AS4713). It's a VPN exit, mobile carrier space of NTT docomo, a mail server on port 587, a DNS server on port 53, and a web server on ports 80 and 443.
Summary
Geolocation
Where the address is, and what that place uses.
- City
- Sapporo
- Region
- Hokkaido
- Postal code
- 065-0000
- Country
- Japan
- Continent
- Asia
- Coordinates
- 43.0667, 141.3500
- Timezone
- Asia/Tokyo
Ownership
Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.
- Company
- Open Computer Network
- Domain
- ocn.ne.jp
- Type
- ISP
- Registered in
- Japan
- Name
- NTT DOCOMO BUSINESS,Inc.
- abuse@ocn.ad.jp
- Phone
- +81-3-6700-8760
- Address
- OTEMACHI PLACE WEST TOWER 2-3-1 Otemachi Chiyoda-ku, Tokyo 100-8019 Japan
- Network
- 125.172.0.0-125.175.255.255
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
- 587
- Banner
- 220 websv.yamazaki-tax.jp ESMTP Postfix
- Greeting
- Completed
- First seen
- 2026-08-12
- Last seen
- 2026-10-28
- Port
- 53
- Recursion
- Refused
- Response code
- 5
- Answer
- Wrong
- First seen
- 2026-08-17
- Last seen
- 2026-11-05
- 80 status
- 200
- 80 server
- Apache/2.4.53 (AlmaLinux) OpenSSL/3.0.7 mod_fcgid/2.3.9
- 80 title
- 山崎克巳税理士事務所
- 80 seen
- 2026-08-12 to 2026-11-03
- 443 status
- 200
- 443 server
- Apache/2.4.53 (AlmaLinux) OpenSSL/3.0.7 mod_fcgid/2.3.9
- 443 title
- 山崎克巳税理士事務所
- 443 TLS
- TLSv1.3
- 443 certificate
- websv.yamazaki-tax.jp · Katsumi Yamazaki
- 443 issuer
- C=JP, O=Japan Digital Laboratory Co.\,Ltd., CN=JDL SERVER Private CA
- 443 browser-trusted
- No
- 443 seen
- 2026-08-11 to 2026-11-06
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