{
 "source": "https://ip-ranges.amazonaws.com/ip-ranges.json",
 "syncToken": "1791232026",
 "createDate": "2026-10-05-20-27-06",
 "region": "ap-southeast-1",
 "service": "ROUTE53_HEALTHCHECKS",
 "prefixes": [
  {
   "prefix": "54.251.31.128/26",
   "region": "ap-southeast-1",
   "network_border_group": "ap-southeast-1",
   "services": [
    "ROUTE53_HEALTHCHECKS"
   ]
  },
  {
   "prefix": "54.255.254.192/26",
   "region": "ap-southeast-1",
   "network_border_group": "ap-southeast-1",
   "services": [
    "ROUTE53_HEALTHCHECKS"
   ]
  },
  {
   "prefix": "2406:da18:7ff:f800::/56",
   "region": "ap-southeast-1",
   "network_border_group": "ap-southeast-1",
   "services": [
    "ROUTE53_HEALTHCHECKS"
   ]
  },
  {
   "prefix": "2406:da18:fff:f800::/56",
   "region": "ap-southeast-1",
   "network_border_group": "ap-southeast-1",
   "services": [
    "ROUTE53_HEALTHCHECKS"
   ]
  }
 ]
}