diff --git a/src/util/ipAddress.ts b/src/util/ipAddress.ts
new file mode 100644
index 00000000..4467caef
--- /dev/null
+++ b/src/util/ipAddress.ts
@@ -0,0 +1,87 @@
+import { Request } from "express";
+import { Config } from "../../../server-util/dist";
+// use ipdata package instead of simple fetch because of integrated caching
+import IPData, { LookupResponse } from "ipdata";
+
+var ipdata: IPData;
+const cacheConfig = {
+ max: 1000, // max size
+ maxAge: 1000 * 60 * 60 * 24 // max age in ms (i.e. one day)
+};
+
+const exampleData = {
+ ip: "",
+ is_eu: true,
+ city: "",
+ region: "",
+ region_code: "",
+ country_name: "",
+ country_code: "",
+ continent_name: "",
+ continent_code: "",
+ latitude: 0,
+ longitude: 0,
+ postal: "",
+ calling_code: "",
+ flag: "",
+ emoji_flag: "",
+ emoji_unicode: "",
+ asn: {
+ asn: "",
+ name: "",
+ domain: "",
+ route: "",
+ type: "isp"
+ },
+ languages: [
+ {
+ name: "",
+ native: ""
+ }
+ ],
+ currency: {
+ name: "",
+ code: "",
+ symbol: "",
+ native: "",
+ plural: ""
+ },
+ time_zone: {
+ name: "",
+ abbr: "",
+ offset: "",
+ is_dst: true,
+ current_time: ""
+ },
+ threat: {
+ is_tor: false,
+ is_proxy: false,
+ is_anonymous: false,
+ is_known_attacker: false,
+ is_known_abuser: false,
+ is_threat: false,
+ is_bogon: false
+ },
+ count: 0,
+ status: 200
+};
+
+export async function IPAnalysis(ip: string): Promise<LookupResponse> {
+ const { ipdataApiKey } = Config.get().security;
+ if (!ipdataApiKey) return { ...exampleData, ip };
+ if (!ipdata) ipdata = new IPData(ipdataApiKey, cacheConfig);
+
+ return await ipdata.lookup(ip);
+}
+
+export function isProxy(data: LookupResponse) {
+ if (data.asn.type !== "isp") return true;
+ if (Object.values(data.threat).some((x) => x)) return true;
+
+ return false;
+}
+
+export function getIpAdress(req: Request): string {
+ // @ts-ignore
+ return req.headers[Config.get().security.forwadedFor] || req.socket.remoteAddress;
+}
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