forked from mirrors/firefish
10 lines
357 B
TypeScript
10 lines
357 B
TypeScript
import IPCIDR from "ip-cidr";
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export function getIpHash(ip: string) {
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// because a single person may control many IPv6 addresses,
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// only a /64 subnet prefix of any IP will be taken into account.
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// (this means for IPv4 the entire address is used)
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const prefix = IPCIDR.createAddress(ip).mask(64);
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return `ip-${BigInt(`0b${prefix}`).toString(36)}`;
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}
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