Go (golang) package to parse RIR files with command line utility
RIR stands for Regional Internet Registry. RIR files are used to exchange statistics around asn, ipv4 & ipv6. For more details on RIR files see here
- Install Go beforehand
- Run
go get github.com/simcap/rir
You should now have an executable rir in your path
Run go test -v
Get the basic usage
$ rir
Usage of ./rir:
-c="": 2 letters string of the country (ISO 3166)
-n=false: given country return possible hosts count (exclude network and broadcast addresses)
-q="": ip address to which to resolve country
Explore ip blocks given a country
$ rir -c FR
2.0.0.0/12
5.10.128.0/21
...
213.108.232.0/21
213.111.0.0/18
217.77.224.0/20
Get the country and IP net for an given IP
$ rir -q 194.146.24.104
FR 194.146.24.0/23
Get the number of possible hosts for country (exclude network & broadcast addresses)
$ ./rir -c US -n
1601581670