ASN & DNS Lookups in PHP

Returns the ASN, owning organization, network range, and country for an IP — and whether it belongs to a datacenter.

<?php

use IpApiIo\Client;

$client = new Client(apiKey: getenv('IP_API_IO_KEY'));

$asn = $client->asn('8.8.8.8');

echo $asn['asn'];            // 15169
echo $asn['organization'];   // "Google LLC"
echo $asn['network'];        // "8.8.8.0/24"
var_dump($asn['is_datacenter']); // true
echo $asn['country_code'];   // "US"

WHOIS record for a domain: registrar, registration/expiry/update dates, name servers, status codes, and the raw WHOIS text.

$whois = $client->whois('example.com');

echo $whois['registrar']['name'];
echo $whois['registered_on'];     // "1995-08-14"
echo $whois['expires_on'];
print_r($whois['name_servers']);  // ["a.iana-servers.net", ...]
echo $whois['status'][0]['humanized'];

Resolve a PTR record, resolve a hostname to addresses, or list a domain's mail servers.

$rdns = $client->reverseDns('8.8.8.8');
echo $rdns['hostname'];    // "dns.google"

$fdns = $client->forwardDns('dns.google');
foreach ($fdns['addresses'] as $record) {
    echo $record['type'], ' ', $record['address'], ' ', $record['ttl']; // "A" "8.8.8.8" 300
}

$mx = $client->mxRecords('example.com');
foreach ($mx['mx_records'] as $record) {
    echo $record['priority'], ' ', $record['hostname'], ' ', $record['ttl'];
}