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what's AS number? how can I find out what a AS number for a domain or ip address is?
by simunaga 10y ago
what's AS number? how can I find out what a AS number for a domain or ip address is?
- coderholic 10y agoYou can use https://ipinfo.io https://ipinfo.io - either search at https://ipinfo.io/countries/us https://ipinfo.io/countries/us, or use the API (note the org field): $ curl ipinfo.io/`dig +short facebook.com | head -n1` { "ip": "69.171.230.68", "hostname": "edge-star-mini-shv-17-prn1.facebook.com", "city": "Menlo Park", "region": "California", "country": "US", "loc": "37.4590,-122.1781", "org": "AS32934 Facebook, Inc.", "postal": "94025" } See https://ipinfo.io/developers https://ipinfo.io/developers for more details
- simunaga 10y agoipinfo.io retrieves this information from somewhere. can I and how obtain this information myself, from the very source?
- Symbiote 10y agohttp://lmgtfy.com/?q=AS+number http://lmgtfy.com/?q=AS+number etc.
- jlgaddis 10y agohttps://en.wikipedia.org/wiki/Autonomous_system_(Internet) https://en.wikipedia.org/wiki/Autonomous_system_(Internet)
- simunaga 10y agomaybe you know. can I and how obtain this information myself, from the very source, for a given domain name or company or whatever it is?