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isIpv4SpecialPurpose

isIpv4SpecialPurpose(address): boolean

Defined in: packages/net-address/src/ipv4/classify-ipv4.ts:189

Whether the address falls in any enumerated special-purpose block.

An SSRF guard wants this after resolving a name, never a string test on the URL: 0177.0.0.1 and 2130706433 are loopback to a C resolver and are not substrings of 127..

BitAddress

boolean