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Contact us


PO Box 7
1001 Ljubljana
Tel.: + 386 1 479 88 77
Fax.: + 386 1 479 88 78
Location: Technology Park Ljubljana Brdo

Should you have any questions or suggestions regarding ARNES, or if you have encountered problems using ARNES services, please choose the appropriate email address for the topic/problem from the list below.

  ARNES public email addresses
General questions and problem reports concerning ARNES services
General questions and basic help for users
Domain registration
Support for organisations connected to ARNES backbone
IPv4 and IPv6 address space allocations for organisations connected to ARNES backbone
Acceptable Use Policy (AUP) violations (unsolicited mail, spam, …)
Incident reports to Arnes SI-CERT
Slovenian top-level DNS operation
Email problems and X.500 top-level DSA operation
Comments and suggestions regarding ARNES Web servers
IRC server operation
multimedijske storitve
Questions regarding Eduroam and AAI
General-purpose address



  +386 1 479 88 00
(working days, 8 AM–4 PM)