{
   "r4": "198.51.100.3",
   "r2": "2001:DB8:10:1:C806:66FF:FEFD:0",
   "r3": "2001:DB8:10:1:C807:67FF:FE22:0",
   "r5": "2001:DB8:10:1:C805:31FF:FEFC:0",
   "r1": "2001:DB8:13::1"
}