IP Toolkit

active

IPv4/IPv6 address and subnet math — parse & classify, subnet calculator, CIDR membership and IPv6 expand/compress.

SearchBasex402 v2exactip.openverbs.com ↗︎
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8

Endpoints (4 live)

  • POST /v1/contains — Test whether an IP address falls within a CIDR block. A well-formed address of a different family (or simply outside the block) returns contains=false — not an error. (0.002 USDC on Base)
  • POST /v1/parse — Parse an IPv4 or IPv6 address and classify it — version, normalized form and RFC range (unicast, private, loopback, linkLocal, multicast, uniqueLocal, ipv4Mapped, …). Detects IPv4-mapped IPv6. (0.002 USDC on Base)
  • POST /v1/expand — Return both the fully-expanded (eight 4-hex groups) and canonical compressed (RFC 5952) forms of an address. IPv4 is returned unchanged in both fields. (0.002 USDC on Base)
  • POST /v1/subnet — Compute network details of a CIDR block — network & broadcast address, usable host range, total and usable address counts. Works for IPv4 and IPv6 (counts returned as strings for large IPv6 blocks). Honours RFC 3021 for /31. (0.002 USDC on Base)

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