There are 3 repositories under arin topic.
CIDR country-level IP data, straight from the Regional Internet Registries, updated hourly. This is a read-only mirror.
An RPKI Validator and RTR server written in Rust
Cloudflare's RPKI Toolbox
Parse Network Info Databases (ARIN/APNIC/LACNIC/AfriNIC/RIPE)
Hourly Checked and Updated Spamhaus IP Addresses lists
Official-IANA-IP-blocks for each country | IPV4 and IPV6 | TEXT | CSV | JSON
offline lookup (by IP/ASN) of other IPs/ASNs owned by the same organization (directly from cached RIR data)
A lot of IP lookups only query ARIN, this is a quick and easy example how to query the correct whois databases to get the IP address network owners
Fetches AS Numbers associated with the specified organization, retrieves the IP prefixes for each AS Number, and writes the deduplicated IP prefixes to a file.
A python library to retrieve and modify records within ARIN's database through their Reg-RWS service
A fully featured RIPEStat Data API Client
ARIN IPv4 Waitlist Monitor - Slack Alerts