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from $0.01 / 1,000 results

Subnet and CIDR Calculator

Calculate subnet masks, CIDR blocks and host ranges offline for IPv4 and IPv6. Get the netmask, wildcard mask, network and broadcast address, first and last usable host, and address counts. Split networks into subnets, list hosts, test if an IP is in range, or turn an IP range into CIDR blocks.

Pricing

from $0.01 / 1,000 results

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0.0

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Developer

Mangudäi

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Bookmarked

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Monthly active users

3 days ago

Last modified

IP Address Lookup API — Classify, Reverse DNS, CIDR Check

eliai/ip-address-info

IP address lookup API. Input: list of IPs (ips) plus optional CIDR ranges (cidrs). Output: JSON per IP with version, isPrivate/isPublic/isReserved, specialUseRange, cidrMatches, and reverse DNS ptr. No geo API, pure stdlib. $0.01 per IP checked.

Anthony Snider

GeoIP Lookup with MaxMind (IPv4 & IPv6)

jansquared/geoip-lookup-with-maxmind-ipv4-ipv6

Everything in Country + location of an IP address to the zip or postal code level and the associated ISP or organization

Jan

Bulk IP Geolocation & Network Intelligence

moving_beacon-owner1/ip-api----bulk-ip-geolocation-network-intelligence

Geolocates IP addresses and domains using the ip-api.com service. Supports single lookups, high-speed batch queries (100 IPs per request), CIDR range expansion, and domain resolution. No API key required (45 requests/minute free tier).

Jamshaid Arif

ASN and IP netblock scraper

mangudai/asn-ip-netblock-scraper

Find every ASN, IP range and abuse contact owned by a company, an IP address or a country. Returns the owning organisation, country, RIR, registration date, abuse email and phone, and all announced IPv4 and IPv6 prefixes. Public registry data, no login or API key.

Mangudäi

IP WHOIS & Inspector

visita/ip-whois-inspector

A fast, all-in-one tool to perform WHOIS, Reverse DNS, Geolocation, and Port Scanning for a list of IP addresses. It finds the ISP, network owner, hostname, geographic location, and open ports for any public IPv4 or IPv6 address.

Visita Intelligence

IP Geolocation Scraper

parseforge/ipapi-geolocation-scraper

Bulk geolocation lookup for IPv4 and IPv6 addresses. Returns city, region, country, postal, latitude, longitude, timezone, ASN, organization, currency, languages, and country calling code per IP.

ParseForge

IP Geolocation — Location, ISP & ASN for any IP

omao/ip-geolocation

Geolocate IPv4/IPv6 addresses: country, region, city, coordinates, timezone, ISP, organization and ASN. One clean JSON row per IP. Powered by ipwho.is. No API key, no anti-bot.

Marouane Oulabass

IP Address Information Lookup

calm_necessity/ip-info-actor

IP Address Information Lookup is a fast and lightweight Actor that returns detailed geolocation and network metadata for any IP address. Simply provide an IP address, and the Actor will fetch structured information used for analytics

Taher Ali Badnawarwala

IP Intelligence Aggregator 🌍

easyapi/ip-intelligence-aggregator

Comprehensive IP address intelligence tool that aggregates data from 7 different IP information services, providing detailed geolocation, ISP, timezone, and threat intelligence data for any IPv4 address.

EasyApi

IP Geolocation Enrichment - Bulk IP to Location, ASN, ISP

santamaria-automations/ip-geolocation

Bulk enrich IP addresses with country, city, latitude/longitude, ASN, ISP, and network information. Powered by MaxMind GeoLite2. Perfect for log analysis, fraud detection, audience analytics, and security investigations. Supports IPv4 and IPv6.