Host

213.221.253.4

As of our latest check on 2026-06-08, 213.221.253.4 (Quickline AG, AS15600, Switzerland) had 1 open port (443) 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: Quickline AG AS15600
Open ports: 443 · at our latest check, 2026-06-08
Location: Switzerland CH
Hostname: isp1-4.itsroot.net · reverse DNS, checked 2026-10-05
Route: 213.221.192.0/18 · announced by Quickline AG AS15600 RPKI valid
Organisation: Quickline AG · Access network (cable / DSL / ISP)
Registry network: YPSOMED-NET · 213.221.253.0 - 213.221.253.63 · RIPE
Abuse contact: [email protected] · for YPSOMED-NET
First seen: 2026-06-08 02:34 UTC
Last seen alive: 2026-06-08 02:35 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)

443/tcp TLS first 2026-06-08 · last 2026-06-08

TLS: TLSv1.2
Certificate for: *.ypsomed.com, ypsomed.com
Issued by: SwissSign RSA TLS DV ICA 2022 - 1
Valid: 2026-04-23 → 2026-11-07

Raw response

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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