| |||
| запит відлуння (Simple troubleshooting message used to check IP connectivity to a desired host) | |||
| English thesaurus | |||
| |||
| echorequest (ssn) | |||
| |||
| запит відлуння (Simple troubleshooting message used to check IP connectivity to a desired host) | |||
| English thesaurus | |||
| |||
| echorequest (ssn) | |||
