I want the CLI to support looking up one ASN by passing the ASN as the first argument, for example ipinfo…

I want the CLI to support looking up one ASN by passing the ASN as the first argument, for example ipinfo…: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). With a valid token and an ASN details response for AS123 whose ASN is AS123 , name is Example Network , and…

The task

With a valid token and an ASN details response for `AS123` whose ASN is `AS123`, name is `Example Network`, and registry is `arin`, running `ipinfo AS123 --field asn,name,registry` should write `asn,name,registry` followed by `AS123,Example Network,arin` on stdout and exit 0. Without `--field`, `ipinfo AS123` should…

Part of FineEnvs/MiMo-V2.6-RL-harbor-code.