37.143.164.96
An address in Fundeni, Ilfov, Romania, used by DUCADU CLOUD, announced by OPTICNET-SERV S.R.L. (AS52023). It's hosting space, 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
- Fundeni
- Region
- Ilfov
- Postal code
- 077086
- Country
- Romania
- Continent
- Europe
- Coordinates
- 44.4589, 26.1656
- Timezone
- Europe/Bucharest
Ownership
Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.
- Company
- DUCADU CLOUD
- Domain
- ducadu.ro
- Type
- Hosting
- Registered in
- Romania
- AS number
- AS52023
- Name
- OPTICNET-SERV S.R.L.
- Prefix
- 37.143.164.0/24
- RPKI
- Valid
- Type
- ISP
- Domain
- opticnet.ro
- Registered in
- Romania
- Name
- OPTICNET-SERV S.R.L.
- Network name
- DUCADU-CLOUD
- Organization
- ORG-OSS8-RIPE
- Status
- ASSIGNED PA
- Registry
- RIPE NCC
- Domain
- opticnet.ro
- Abuse
- abuse@opticnet.ro
- Name
- OPTICNET SERV
- abuse@opticnet.ro
- Address
- Maramures 12, cam P39, Ploiesti, Prahova, Romania
- Network
- 37.143.164.0-37.143.164.255
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-cp1.big-media.ro ESMTP Exim 4.100.1 #2 Sat, 31 Oct 2026 14:17:06 +0200 220-We do not authorize the use of this system to transport unsolicited, 220 and/or bulk e-mail.
- Greeting
- Completed
- First seen
- 2026-08-06
- Last seen
- 2026-10-28
- Port
- 53
- Recursion
- Refused
- Response code
- 5
- Answer
- Wrong
- First seen
- 2026-08-05
- Last seen
- 2026-10-29
- 80 status
- 200
- 80 server
- openresty/1.31.1.1
- 80 title
- One moment, please...
- 80 seen
- 2026-08-09 to 2026-10-22
- 443 status
- 404
- 443 server
- nginx
- 443 TLS
- TLSv1.3
- 443 certificate
- autoconfig.cp1.big-media.ro
- 443 issuer
- C=US, O=Let's Encrypt, CN=YR2
- 443 browser-trusted
- Yes
- 443 seen
- 2026-08-08 to 2026-10-26
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.