#!/bin/sh
# This file is heavily based on code from https://github.com/Xentrk/netflix-vpn-bypass/blob/master/IPSET_Netflix.sh

TARGET_IPSET='wan'
TARGET_ASN='2906'
TARGET_URL="https://ipinfo.io/AS${TARGET_ASN}"
TARGET_FNAME="/var/tmp_AS${TARGET_ASN}"

curl "$TARGET_URL" 2>/dev/null | grep -E "a href.*${TARGET_ASN}\/" | grep -v ":" | sed "s/^.*<a href=\"\/AS${TARGET_ASN}\///; s/\" >//" > "$TARGET_FNAME"
awk -v ipset="$TARGET_IPSET" '{print "add " ipset " " $1}' "$TARGET_FNAME" | ipset restore -!
rm -f "$TARGET_FNAME"