asn-ip/as/133540/aggregated.json

{
  "asn": 133540,
  "metadata": {
    "handle": "RESERVED",
    "description": "APNIC ASN block",
    "countryCode": null,
    "country": null,
    "origin": "authoritative",
    "lastAnnounced": null
  },
  "prefixes": {
    "ipv4": [],
    "ipv6": []
  }
}