# Services from ip.openverbs.com on Zero

> ip.openverbs.com serves 4 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/ip.openverbs.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/ip.openverbs.com/health.json

## Services

- [IP Address Parser & Classifier](https://www.zero.xyz/c/ip-address-parser-classifier-a6c17b24/llms.txt): $0.002/call via x402. Parses an IPv4 or IPv6 address and returns its version, normalized form, and RFC classification (unicast, private, loopback, link-local, multicast, unique-local, IPv4-mapped, etc.).
- [IPv6 Address Expander and Canonical Compressor](https://www.zero.xyz/c/ipv6-address-expander-and-canonical-compressor-9d3ecb02/llms.txt): $0.002/call via x402. Expands an IPv4 or IPv6 address into its fully-expanded eight 4-hex-group form and returns the RFC 5952 canonical compressed representation.
- [IP CIDR Containment Check](https://www.zero.xyz/c/ip-cidr-containment-check-e8915274/llms.txt): $0.002/call via x402. Tests whether a given IP address (IPv4 or IPv6) falls within a specified CIDR block, returning a boolean contains result.
- [IP Subnet Calculator (CIDR Block Details)](https://www.zero.xyz/c/ip-subnet-calculator-cidr-block-details-88d06c4f/llms.txt): $0.002/call via x402. Computes full subnet details for a given CIDR block: network address, broadcast address, usable host range, total address count, and usable host count — for both IPv4 and IPv6.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)