185.199.175.28
An address in Cluj-Napoca, Cluj County, Romania, announced by HOSTERION SRL (AS43927). It's hosting space of Hosterion, 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
- Cluj-Napoca
- Region
- Cluj County
- Postal code
- 400001
- Country
- Romania
- Continent
- Europe
- Coordinates
- 46.7667, 23.6000
- Timezone
- Europe/Bucharest
Ownership
Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.
- Company
- HOSTERION SRL
- Domain
- hosterion.com
- Type
- Hosting
- Registered in
- Romania
- AS number
- AS43927
- Name
- HOSTERION SRL
- Prefix
- 185.199.175.0/24
- RPKI
- Valid
- Type
- Hosting
- Domain
- hosterion.com
- Registered in
- Romania
- Name
- HOSTERION SRL
- Network name
- HOSTERION-SRL
- Status
- ASSIGNED PA
- Registry
- RIPE NCC
- Domain
- hosterion.net
- Name
- Abuse-C Role
- abuse@elvsoft.com
- Address
- str. Eugen Ionesco nr. 49F, 400357, Cluj-Napoca, ROMANIA
- Network
- 185.199.172.0-185.199.175.255
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-apollo.hosterion.net ESMTP Exim 4.100.1 #2 Sat, 31 Oct 2026 06:21:56 +0200 220-We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail.
- Greeting
- Completed
- First seen
- 2026-10-13
- Last seen
- 2026-11-03
- Port
- 53
- Recursion
- Refused
- Response code
- 5
- Answer
- Wrong
- First seen
- 2026-08-16
- Last seen
- 2026-11-02
- 80 status
- 200
- 80 server
- LiteSpeed
- 80 seen
- 2026-08-11 to 2026-10-31
- 443 status
- 200
- 443 server
- openresty/1.31.1.1
- 443 title
- One moment, please...
- 443 TLS
- TLSv1.3
- 443 certificate
- apollo.hosterion.net
- 443 issuer
- CN=apollo.hosterion.net
- 443 browser-trusted
- No
- 443 seen
- 2026-08-10 to 2026-11-03
Test the real build first.
An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.