diff --git a/include/net.h b/include/net.h
index 735b0b9d26f57cd45afc111a00a5bc96a96d53b0..18d279ebe737da5ac87cf891d509b44efb1ece94 100644
--- a/include/net.h
+++ b/include/net.h
@@ -3,7 +3,7 @@
  *
  *	Copyright 1994 - 2000 Neil Russell.
  *	(See License)
- *
+ *	SPDX-License-Identifier:	GPL-2.0
  *
  * History
  *	9/16/00	  bor  adapted to TQM823L/STK8xxL board, RARP/TFTP boot added
diff --git a/net/arp.c b/net/arp.c
index 20c6b2d42ac0f6d90804de2d2e59fd0271da663b..21ed31bf742dd3582add21aed5bf1333591d3c0e 100644
--- a/net/arp.c
+++ b/net/arp.c
@@ -6,6 +6,7 @@
  *	Copyright 2000 Roland Borde
  *	Copyright 2000 Paolo Scaffardi
  *	Copyright 2000-2002 Wolfgang Denk, wd@denx.de
+ *	SPDX-License-Identifier:	GPL-2.0
  */
 
 #include <common.h>
diff --git a/net/arp.h b/net/arp.h
index bfd57e0105391bb21f00bb643fdb2a80f607c54b..3a0a13a3720afaf3fd2df112b7235fa8f6dad9ee 100644
--- a/net/arp.h
+++ b/net/arp.h
@@ -6,6 +6,7 @@
  *	Copyright 2000 Roland Borde
  *	Copyright 2000 Paolo Scaffardi
  *	Copyright 2000-2002 Wolfgang Denk, wd@denx.de
+ *	SPDX-License-Identifier:	GPL-2.0
  */
 
 #ifndef __ARP_H__
diff --git a/net/cdp.c b/net/cdp.c
index 3d9559eb3b66b67c3214b1f65165e42ae3dc1062..2d8fa03a7e306d0b549a59ab8e25689496dcc1ac 100644
--- a/net/cdp.c
+++ b/net/cdp.c
@@ -6,6 +6,7 @@
  *	Copyright 2000 Roland Borde
  *	Copyright 2000 Paolo Scaffardi
  *	Copyright 2000-2002 Wolfgang Denk, wd@denx.de
+ *	SPDX-License-Identifier:	GPL-2.0
  */
 
 #include <common.h>
diff --git a/net/cdp.h b/net/cdp.h
index ec7315af7979b9c143fc791d03315a3f9c694b91..95e4ce025de713a0aa992b161c61dab94af9979f 100644
--- a/net/cdp.h
+++ b/net/cdp.h
@@ -6,6 +6,7 @@
  *	Copyright 2000 Roland Borde
  *	Copyright 2000 Paolo Scaffardi
  *	Copyright 2000-2002 Wolfgang Denk, wd@denx.de
+ *	SPDX-License-Identifier:	GPL-2.0
  */
 
 #if defined(CONFIG_CMD_CDP)
diff --git a/net/net.c b/net/net.c
index 722089f3b931b58eb1fef6a766a5847ff78c3747..2bea07b3cdf671e4dc825b299ada89125f1b89c2 100644
--- a/net/net.c
+++ b/net/net.c
@@ -6,6 +6,7 @@
  *	Copyright 2000 Roland Borde
  *	Copyright 2000 Paolo Scaffardi
  *	Copyright 2000-2002 Wolfgang Denk, wd@denx.de
+ *	SPDX-License-Identifier:	GPL-2.0
  */
 
 /*
diff --git a/net/ping.c b/net/ping.c
index 0710b9228d1ea9318901faaf56fdfe4ef68743e3..2be56ed929575c25c1cfa78c7c89e7da31d32be7 100644
--- a/net/ping.c
+++ b/net/ping.c
@@ -6,6 +6,7 @@
  *	Copyright 2000 Roland Borde
  *	Copyright 2000 Paolo Scaffardi
  *	Copyright 2000-2002 Wolfgang Denk, wd@denx.de
+ *	SPDX-License-Identifier:	GPL-2.0
  */
 
 #include "ping.h"
diff --git a/net/ping.h b/net/ping.h
index 8c71be4fdf069a43be5058baaadd1aa20b8b062c..b672b9573934b3ba4c5d86b0ff4de28d636b5f4b 100644
--- a/net/ping.h
+++ b/net/ping.h
@@ -6,6 +6,7 @@
  *	Copyright 2000 Roland Borde
  *	Copyright 2000 Paolo Scaffardi
  *	Copyright 2000-2002 Wolfgang Denk, wd@denx.de
+ *	SPDX-License-Identifier:	GPL-2.0
  */
 
 #ifndef __PING_H__