For me, on 6.46.8 is working
Warning: some IP are SHARED with whatsapp...
Update list witout waste time:
https://bgp.he.net/AS32934#_prefixes
Without waste time with scripting, all (actual at the moment I write) Facebook IPs are:
/ip fire add
add address=102.132.96.0/20 list=facebook
add address=102.132.96.0/24 list=facebook
add address=103.4.96.0/22 list=facebook
add address=129.134.0.0/17 list=facebook
add address=129.134.25.0/24 list=facebook
add address=129.134.26.0/24 list=facebook
add address=129.134.27.0/24 list=facebook
add address=129.134.28.0/24 list=facebook
add address=129.134.29.0/24 list=facebook
add address=129.134.30.0/23 list=facebook
add address=129.134.30.0/24 list=facebook
add address=129.134.31.0/24 list=facebook
add address=157.240.0.0/17 list=facebook
add address=157.240.1.0/24 list=facebook
add address=157.240.10.0/24 list=facebook
add address=157.240.11.0/24 list=facebook
add address=157.240.12.0/24 list=facebook
add address=157.240.13.0/24 list=facebook
add address=157.240.14.0/24 list=facebook
add address=157.240.15.0/24 list=facebook
add address=157.240.16.0/24 list=facebook
add address=157.240.17.0/24 list=facebook
add address=157.240.18.0/24 list=facebook
add address=157.240.19.0/24 list=facebook
add address=157.240.192.0/18 list=facebook
add address=157.240.193.0/24 list=facebook
add address=157.240.194.0/24 list=facebook
add address=157.240.195.0/24 list=facebook
add address=157.240.196.0/24 list=facebook
add address=157.240.197.0/24 list=facebook
add address=157.240.2.0/24 list=facebook
add address=157.240.20.0/24 list=facebook
add address=157.240.200.0/24 list=facebook
add address=157.240.201.0/24 list=facebook
add address=157.240.203.0/24 list=facebook
add address=157.240.204.0/24 list=facebook
add address=157.240.206.0/24 list=facebook
add address=157.240.207.0/24 list=facebook
add address=157.240.21.0/24 list=facebook
add address=157.240.210.0/24 list=facebook
add address=157.240.212.0/24 list=facebook
add address=157.240.214.0/24 list=facebook
add address=157.240.215.0/24 list=facebook
add address=157.240.216.0/24 list=facebook
add address=157.240.217.0/24 list=facebook
add address=157.240.218.0/24 list=facebook
add address=157.240.22.0/24 list=facebook
add address=157.240.220.0/24 list=facebook
add address=157.240.222.0/24 list=facebook
add address=157.240.23.0/24 list=facebook
add address=157.240.24.0/24 list=facebook
add address=157.240.25.0/24 list=facebook
add address=157.240.26.0/24 list=facebook
add address=157.240.27.0/24 list=facebook
add address=157.240.28.0/24 list=facebook
add address=157.240.29.0/24 list=facebook
add address=157.240.3.0/24 list=facebook
add address=157.240.30.0/24 list=facebook
add address=157.240.6.0/24 list=facebook
add address=157.240.7.0/24 list=facebook
add address=157.240.8.0/24 list=facebook
add address=157.240.9.0/24 list=facebook
add address=173.252.64.0/19 list=facebook
add address=173.252.88.0/21 list=facebook
add address=173.252.96.0/19 list=facebook
add address=179.60.192.0/22 list=facebook
add address=179.60.192.0/24 list=facebook
add address=179.60.193.0/24 list=facebook
add address=179.60.194.0/24 list=facebook
add address=179.60.195.0/24 list=facebook
add address=185.60.216.0/22 list=facebook
add address=185.60.216.0/24 list=facebook
add address=185.60.217.0/24 list=facebook
add address=185.60.218.0/24 list=facebook
add address=185.60.219.0/24 list=facebook
add address=185.89.218.0/23 list=facebook
add address=185.89.218.0/24 list=facebook
add address=185.89.219.0/24 list=facebook
add address=204.15.20.0/22 list=facebook
add address=31.13.24.0/21 list=facebook
add address=31.13.64.0/18 list=facebook
add address=31.13.64.0/19 list=facebook
add address=31.13.64.0/24 list=facebook
add address=31.13.65.0/24 list=facebook
add address=31.13.66.0/24 list=facebook
add address=31.13.67.0/24 list=facebook
add address=31.13.68.0/24 list=facebook
add address=31.13.69.0/24 list=facebook
add address=31.13.70.0/24 list=facebook
add address=31.13.71.0/24 list=facebook
add address=31.13.72.0/24 list=facebook
add address=31.13.73.0/24 list=facebook
add address=31.13.74.0/24 list=facebook
add address=31.13.75.0/24 list=facebook
add address=31.13.76.0/24 list=facebook
add address=31.13.77.0/24 list=facebook
add address=31.13.79.0/24 list=facebook
add address=31.13.80.0/24 list=facebook
add address=31.13.81.0/24 list=facebook
add address=31.13.82.0/24 list=facebook
add address=31.13.83.0/24 list=facebook
add address=31.13.84.0/24 list=facebook
add address=31.13.85.0/24 list=facebook
add address=31.13.86.0/24 list=facebook
add address=31.13.87.0/24 list=facebook
add address=31.13.89.0/24 list=facebook
add address=31.13.90.0/24 list=facebook
add address=31.13.91.0/24 list=facebook
add address=31.13.92.0/24 list=facebook
add address=31.13.93.0/24 list=facebook
add address=31.13.94.0/24 list=facebook
add address=31.13.95.0/24 list=facebook
add address=31.13.96.0/19 list=facebook
add address=45.64.40.0/22 list=facebook
add address=66.220.144.0/20 list=facebook
add address=66.220.144.0/21 list=facebook
add address=66.220.152.0/21 list=facebook
add address=69.171.224.0/19 list=facebook
add address=69.171.224.0/20 list=facebook
add address=69.171.239.0/24 list=facebook
add address=69.171.240.0/20 list=facebook
add address=69.171.250.0/24 list=facebook
add address=69.171.255.0/24 list=facebook
add address=69.63.176.0/20 list=facebook
add address=69.63.176.0/21 list=facebook
add address=69.63.184.0/21 list=facebook
add address=74.119.76.0/22 list=facebook