How to find the ASN of an IP using "dig" command?
How do I find what autonomous system number or name an IP address belongs to?
Could I find it using Ubuntu's dig command?
Solution 1:
Under what autonomous system number or name that an IP is located? How to find it using "dig" command in Ubuntu?
dig is a DNS client and DNS doesn't contain any information about Autonomous System Numbers. However, you can use whois to query for this purpose.
Syntax: whois -h whois.cymru.com " -v [IP_ADDR]"
It helps to use quotes and put a space in front of the -v option.
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