sources.txt

http://proxydb.net/?protocol=http&anonlvl=2&anonlvl=3&anonlvl=4&availability=90
http://proxydb.net/?protocol=http&anonlvl=2&anonlvl=3&anonlvl=4&availability=90&offset=50
http://proxydb.net/?protocol=http&anonlvl=2&anonlvl=3&anonlvl=4&availability=90&offset=100
http://proxydb.net/?protocol=http&anonlvl=2&anonlvl=3&anonlvl=4&availability=90&offset=150
http://proxydb.net/?protocol=http&anonlvl=2&anonlvl=3&anonlvl=4&availability=90&offset=200

http://samair.ru/proxy/list-IP-port/proxy-1.htm
http://samair.ru/proxy/list-IP-port/proxy-2.htm
http://samair.ru/proxy/list-IP-port/proxy-3.htm
http://samair.ru/proxy/list-IP-port/proxy-4.htm
http://samair.ru/proxy/list-IP-port/proxy-5.htm

http://proxylist.hidemyass.com/search-1304300#listable

https://free-proxy-list.net/

https://proxy-list.org/english/search.php?search=anonymous-and-elite.ssl-no&country=any&type=anonymous-and-elite&port=any&ssl=no
https://proxy-list.org/english/search.php?search=anonymous-and-elite.ssl-no&country=any&type=anonymous-and-elite&port=any&ssl=no&p=2

https://hidemy.name/en/proxy-list/?type=h&anon=4#list
https://hidemy.name/en/proxy-list/?type=h&anon=4&start=64#list
https://hidemy.name/en/proxy-list/?type=h&anon=4&start=128#list
https://hidemy.name/en/proxy-list/?type=h&anon=4&start=192#list

https://checkerproxy.net/archive/2017-04-01

http://aliveproxy.com/fastest-proxies/

http://multiproxy.org/anon_proxy.htm

http://www.ultraproxies.com/high-anonymous.html

http://www.ip-adress.com/proxy_list/