Auto-update ip ranges

digitalocean/ipv4.txt

@@ -1448,6 +1448,7 @@
 209.38.160.0/22
 209.38.164.0/22
 209.38.168.0/22
+209.38.172.0/22
 209.38.176.0/20
 209.38.192.0/19
 209.38.224.0/19

digitalocean/ipv4_merged.txt

@@ -157,8 +157,6 @@
 206.189.0.0/16
 207.154.192.0/18
 208.68.36.0/22
-209.38.160.0/21
-209.38.168.0/22
-209.38.176.0/20
+209.38.160.0/19
 209.38.192.0/18
 209.97.128.0/18