diff --git a/AK/IPv4Address.h b/AK/IPv4Address.h
index 3d0330604c5..2365b5c95d0 100644
--- a/AK/IPv4Address.h
+++ b/AK/IPv4Address.h
@@ -9,6 +9,7 @@
 #include <AK/Endian.h>
 #include <AK/Format.h>
 #include <AK/Optional.h>
+#include <AK/SipHash.h>
 #include <AK/StringView.h>
 #include <AK/Vector.h>
 
@@ -162,7 +163,7 @@ static_assert(sizeof(IPv4Address) == 4);
 
 template<>
 struct Traits<IPv4Address> : public GenericTraits<IPv4Address> {
-    static constexpr unsigned hash(IPv4Address const& address) { return int_hash(address.to_u32()); }
+    static unsigned hash(IPv4Address const& address) { return secure_sip_hash(static_cast<u64>(address.to_u32())); }
 };
 
 #ifdef KERNEL
diff --git a/AK/IPv6Address.h b/AK/IPv6Address.h
index 6bfd811a0e7..e9f36535094 100644
--- a/AK/IPv6Address.h
+++ b/AK/IPv6Address.h
@@ -270,18 +270,8 @@ static_assert(sizeof(IPv6Address) == 16);
 
 template<>
 struct Traits<IPv6Address> : public GenericTraits<IPv6Address> {
-    static constexpr unsigned hash(IPv6Address const& address)
-    {
-        unsigned h = 0;
-        for (int group = 0; group < 8; group += 2) {
-            u32 two_groups = ((u32)address[group] << 16) | (u32)address[group + 1];
-            if (group == 0)
-                h = int_hash(two_groups);
-            else
-                h = pair_int_hash(h, two_groups);
-        }
-        return h;
-    }
+    // SipHash-4-8 is considered conservatively secure, even if not cryptographically secure.
+    static unsigned hash(IPv6Address const& address) { return sip_hash_bytes<4, 8>({ &address.to_in6_addr_t(), sizeof(address.to_in6_addr_t()) }); }
 };
 
 #ifdef KERNEL