81.46.203.31
An address in Madrid, Spain, used by TELEFONICA DE ESPANA S.A.U., announced by acens Technologies, S.L. (AS16371). It's hosting space of acens, a mail server on port 587, and a web server on port 80.
Summary
Geolocation
Where the address is, and what that place uses.
- City
- Madrid
- Region
- Madrid
- Postal code
- 28004
- Country
- Spain
- Continent
- Europe
- Coordinates
- 40.4165, -3.7026
- Timezone
- Europe/Madrid
Ownership
Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.
- Company
- TELEFONICA DE ESPANA S.A.U.
- Domain
- telefonica.es
- Type
- ISP
- Registered in
- Spain
- Name
- ACENS-TELEFONICA
- Network name
- VCL-TP-11
- Organization
- ORG-ACET1-RIPE
- Status
- ASSIGNED PA
- Registry
- RIPE NCC
- Domain
- acens.net
- Abuse
- abuse@acens.net
- Name
- ACENS Telefonica
- abuse@acens.net
- Address
- San Rafael 14, 28108 Alcobendas - Madrid, Spain
- Network
- 81.46.203.0-81.46.203.255
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 atead.es ESMTP Postfix
- Greeting
- Completed
- First seen
- 2026-07-28
- Last seen
- 2026-10-13
- 80 status
- 200
- 80 server
- Apache/2.4.10 (Debian)
- 80 title
- Apache2 Debian Default Page: It works
- 80 seen
- 2026-08-01 to 2026-10-18
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.