OSN

Host

217.75.72.100

As of our latest check on 2026-06-08, 217.75.72.100 (SWAN, a.s., AS5578, Slovakia) had 1 open port (25) and no known CVEs.

Known CVEs on this host

1open port
0names pointing here
0known CVEs
0known exploited

Open ports and CVEs as of our latest check of this host, 2026-06-08.

No known CVEs on this host.

Network
SWAN, a.s. AS5578
Open ports
25 · at our latest check, 2026-06-08
Location
Slovakia SK
Hostname
mark2.swan.sk · reverse DNS, checked 2026-10-05
Route
217.75.64.0/19 · announced by SWAN, a.s. AS5578 RPKI valid
Organisation
SWAN a.s. · Network service provider (transit)
Registry network
SWAN-SK-office · 217.75.72.96 - 217.75.72.111 · RIPE
Abuse contact
[email protected] · for SWAN-SK-office
First seen
2026-06-08 08:57 UTC
Last seen alive
2026-06-08 09:01 UTC
Hosted domains
No host name points here

Reputation

Not a Tor relay, not a VPN or privacy relay address, and not on a current public blocklist.

Services (1)

25/tcp SMTP first 2026-06-08 · last 2026-06-08
Banner
220 mark2.swan.sk ESMTP
Raw response 
220 mark2.swan.sk ESMTP
500 unrecognized command
500 unrecognized command
500 unrecognized command
500 Too many unrecognized commands

Port history

Every port that has answered a connection on this address, and when. A port is listed as open above only when a service was identified on it. Times are UTC.

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