A huge amount of unwanted #SIP / #VOIP traffic coming out of Japan over the last few days. Since the 29th, over 2700 active ip addresses were added to the block list.
Some example networks:
122.214.163.128/25
122.219.179.0/25
59.87.14.0/25
122.219.179.128/25
58.13.250.128/25
59.87.50.0/25
If you're using #APIBAN, these have already been blocked. Not using APIBAN? Think again... it's free (thanks to our sponsors). https://apiban.org