{
 "source": "https://ip-ranges.amazonaws.com/ip-ranges.json",
 "syncToken": "1791232026",
 "createDate": "2026-10-05-20-27-06",
 "region": "ap-southeast-2",
 "service": "ROUTE53_HEALTHCHECKS_PUBLISHING",
 "prefixes": [
  {
   "prefix": "15.177.83.0/24",
   "region": "ap-southeast-2",
   "network_border_group": "ap-southeast-2",
   "services": [
    "AMAZON",
    "EC2",
    "ROUTE53_HEALTHCHECKS_PUBLISHING"
   ]
  }
 ]
}