asndb.api.bbot.io
Instant ASN search and lookup, updated daily.
$ curl -s https://asndb.api.bbot.io/v1/ip/1.1.1.1{
"ip": "1.1.1.1",
"asn": 13335,
"asn_name": "CLOUDFLARENET",
"org": "Cloudflare, Inc.",
"org_id": "CLOUD14-ARIN",
"country": "US",
"rir": "ARIN",
"subnets": null
}