diff --git a/substrate/primitives/core/src/crypto.rs b/substrate/primitives/core/src/crypto.rs
index efae0cd958..0e5aca8f7c 100644
--- a/substrate/primitives/core/src/crypto.rs
+++ b/substrate/primitives/core/src/crypto.rs
@@ -578,11 +578,13 @@ ss58_address_format!(
 		(46, "reserved46", "Reserved for future use (46).")
 	Reserved47 =>
 		(47, "reserved47", "Reserved for future use (47).")
+	NeatcoinAccount =>
+		(48, "neatcoin", "Neatcoin mainnet, standard account (*25519).")
 	AventusAccount =>
 		(65, "aventus", "Aventus Chain mainnet, standard account (*25519).")
 	CrustAccount =>
 		(66, "crust", "Crust Network, standard account (*25519).")
-	// Note: 48 and above are reserved.
+	// Note: 16384 and above are reserved.
 );
 
 /// Set the default "version" (actually, this is a bit of a misnomer and the version byte is
diff --git a/substrate/ss58-registry.json b/substrate/ss58-registry.json
index cae6577e21..d65485daeb 100644
--- a/substrate/ss58-registry.json
+++ b/substrate/ss58-registry.json
@@ -442,6 +442,15 @@
 			"standardAccount": null,
 			"website": null
 		},
+		{
+			"prefix": 48,
+			"network": "neatcoin",
+			"displayName": "Neatcoin Mainnet",
+			"symbols": ["NEAT"],
+			"decimals": [12],
+			"standardAccount": "*25519",
+			"website": "https://neatcoin.org"
+		},
 		{
 			"prefix": 65,
 			"network": "aventus",