import  requests, re

headers = {
    'User-Agent': "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.87 Safari/537.36 OPR/41.0.2353.56"
}

r = requests.get("http://ipinfo.io/AS19541")
# print(r.text)
match = re.findall('(?:\d{1,3}\.){3}\d{1,3}/\d{1,2}', r.text)

if match:
    # netblocks = match.group()
    print(match)
    for netblock in match:
        print("/ip firewall address-list add address=%s list=ea-netblocks" % netblock)
else:
    print("Nothing found.")