feat: Import targets using ASN

[yogeshojha]

Is there an existing feature or issue for this?

• I have searched the existing issues

Expected feature

Importing targets using ASN could be an excellent addition.
Maybe using bgp.he would be helpful

Alternative solutions

na

Anything else?

No response

[github-actions]

👋 Hi @yogeshojha,
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[yogeshojha]

Addition to #1266

[ncharron]

I can help with this, and I already have scripts for this but we just need to get the architecture figured out first. You can see my comments on #1266 about it.