IP-Adresse herausfinden

[Telcontar]

öm ja guckst du da weiter
http://www.iana.org/abuse/

As use of these numbers is untracked and unrestricted, we can not tell you who is using these numbers.

bzw.

If you see these numbers in the headers of an unsolicited email, they usually indicate transit between servers within a corporate network or ISP. They are not useful in identifying the origin of an email. In such cases you can usually find the true origin by looking for the earliest "Received" mail header that is not an IANA Reserved address.