移除 ip.txt 中不可用的 IP 段（约占三分之一，如回源 IP）

ip.txt

@@ -2,17 +2,21 @@
 1.0.0.0/24
 1.1.1.1/32
 1.0.0.1/32
-173.245.48.0/20
-103.21.244.0/22
-103.22.200.0/22
-103.31.4.0/22
+173.245.49.0/24
+103.21.244.0/24
 141.101.64.0/18
-108.162.192.0/18
 190.93.240.0/20
-188.114.96.0/20
-197.234.240.0/22
 198.41.128.0/17
-162.158.0.0/15
+162.159.0.0/16
 104.16.0.0/12
-172.64.0.0/13
-131.0.72.0/22
+172.64.0.0/17
+172.64.128.0/18
+172.64.192.0/19
+172.64.224.0/22
+172.64.229.0/24
+172.64.230.0/23
+172.64.232.0/21
+172.64.240.0/21
+172.64.248.0/21
+172.65.0.0/16
+172.67.0.0/16