Update cheatsheets

tldr/asnmap

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# asnmap
+
+> A Go CLI tool for mapping organization network ranges using ASN information.
+> Note: An API key is required from ProjectDiscovery Cloud Platform for the tool to work.
+> More information: <https://github.com/projectdiscovery/asnmap>.
+
+- Lookup CIDR ranges for an ASN:
+
+`asnmap {{[-a|-asn]}} {{AS5650}} -silent`
+
+- Lookup CIDR ranges for an IP address:
+
+`asnmap {{[-i|-ip]}} {{100.19.12.21}} -silent`
+
+- Lookup CIDR ranges for a domain:
+
+`asnmap {{[-d|-domain]}} {{example.com}} -silent`
+
+- Lookup CIDR ranges for an organization:
+
+`asnmap -org {{GOOGLE}} -silent`
+
+- Lookup CIDR ranges from a file of targets:
+
+`asnmap {{[-f|-file]}} {{targets.txt}} -silent`
+
+- Output results in JSON format:
+
+`asnmap {{[-d|-domain]}} {{facebook.com}} {{[-j|-json]}} -silent`
+
+- Output results in CSV format:
+
+`asnmap {{[-a|-asn]}} {{AS394161}} {{[-c|-csv]}} -silent`
+
+- Update asnmap to the latest version:
+
+`asnmap {{[-up|-update]}}`