ifconfig.ac network identity

Your IP address

216.73.216.237

🇺🇸 Columbus, United States

IPv4 Datacenter

Privacy level

B 80 / 100

Analyzing your connection…

› What any website learns about you — silently, without a single click

IP address216.73.216.237

ISPAmazon.com

ASNAS16509

LocationColumbus, United States

OS / browser…

Language…

Screen…

Timezone…

CPU cores…

Memory…

GPU…

Touch / sensor…

Browser fingerprint uniqueness… bits

The more entropy in these signals, the easier it is to single out your exact browser among millions.

› What gives you away

WebRTC …

Checking local IP…

Timezone …

Comparing with geolocation…

Fingerprint …

Computing fingerprint…

Tor exit no

Not listed as a Tor exit node.

Network Datacenter

Real IP hidden behind a VPN/hosting.

› Geolocation

Country🇺🇸 US

RegionOhio

CityColumbus

Coords39.96118, -82.99879

TZAmerica/New_York

› Connection

ISPAmazon.com

OrgAmazon Technologies Inc.

ASNAS16509

Typedatacenter

User-AgentMozilla/5.0 AppleWebKit/537.36 (KHTML, like G…

› Network & route

ASNAS16509

AS operatorAmazon Technologies Inc.

Prefix (BGP)…

Route RPKI…

rDNS / PTR—

Network typehosting / datacenter

ReputationAbuseIPDB key needed

Abuse contact…

Route, RPKI and operator from RIPEstat; abuse contact via RDAP. Same via API: curl ifconfig.ac/net

› IP in every form

Decimal216.73.216.237

Integer (int)3628718317

Hex0xD849D8ED

Dotted hex0xd8.0x49.0xd8.0xed

Octal0330.0111.0330.0355

IPv6-mapped::ffff:216.73.216.237

IPv6-mapped hex::ffff:d849:d8ed

Reverse DNS237.216.73.216.in-addr.arpa

All forms point to the same address. A naive SSRF filter often catches only the plain form, while 2130706433 or 0x7f.1 slip through. Click to copy.

› Blocklists & mail

Forward-confirmed rDNS…

PTR—

Lists checked…

Listed on…

DNSBL is IPv4-only; depends on the server's resolver (Spamhaus blocks public DNS). FCrDNS — whether the PTR is confirmed by a forward record. curl ifconfig.ac/dnsbl

› Build a request

$ curl ifconfig.ac

$ curl ifconfig.ac/ip216.73.216.237

$ curl ifconfig.ac/scoreprivacy score

$ curl ifconfig.ac/netroute & ASN

$ curl ifconfig.ac/lookup/8.8.8.8geo of any IP

$ curl ifconfig.ac/jsonall as JSON

› API & recipes

No keys, no excessive limits. Machine-readable spec: /openapi.json. Every endpoint returns text by default and JSON via a .json suffix.

Watch IP changes live

watch -n5 curl -s ifconfig.ac/ip

Alert on IP change (cron + webhook)

*/5 * * * * I=$(curl -s ifconfig.ac/ip); [ "$I" = "$(cat ~/.ip 2>/dev/null)" ] || { echo "$I">~/.ip; curl -s "https://hooks.example/notify?ip=$I"; }

Runner geo in CI (GitHub Actions)

- run: curl -s ifconfig.ac/json | jq '{ip,country,asn}'

Country check in a script

[ "$(curl -s ifconfig.ac/country)" = "RU" ] && echo "from RU"

Prometheus metric (textfile)

echo "node_meta_ip{ip=\"$(curl -s ifconfig.ac/ip)\"} 1" > /var/lib/node_exporter/ip.prom

Save your IP to a variable

export MYIP=$(curl -s ifconfig.ac/ip)

Wait for connectivity in a script

until curl -sf ifconfig.ac/ip; do sleep 2; done

Pretty-print everything with jq

curl -s ifconfig.ac/json | jq

ifconfig.ac is first and foremost an API. Every endpoint works from the terminal, a script or CI. Tap a command below — or type your own — it runs live.

~ — curl — ifconfig.ac

$ curl ifconfig.ac/all

ip            216.73.216.237
ip_version    4
country       United States (US)
city          Columbus
timezone      America/New_York
isp           Amazon.com
asn           AS16509
connection    datacenter

$ curl ifconfig.ac/score

privacy_score   80 / 100  (B)
tor_exit        no
# WebRTC / timezone / fingerprint — see the "Cards" tab

Tap a command — the response appends to the terminal. Or add it to your shell: alias myip='curl ifconfig.ac/ip'

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