Function cymrust::cymru_asn
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[src]
pub fn cymru_asn<I: Into<AsNumber>>(asn: I) -> Result<Vec<CymruASN>, String>
Resolve information about AS number using DNS
This function queries (Cymru's IP-to-ASN)[https://www.team-cymru.org/IP-ASN-mapping.html] service and returns information Cymru knows about given AS number.
No caching is performed by this function.
Errors
If DNS resolver fails or there's error in DNS query, the error is returned as String