diff --git a/howto/Bird2.md b/howto/Bird2.md
index b96ae8e..0149e98 100644
--- a/howto/Bird2.md
+++ b/howto/Bird2.md
@@ -70,7 +70,7 @@ function is_valid_network() {
     172.23.0.0/24{28,32}, # dn42 Anycast
     172.31.0.0/16+,       # ChaosVPN
     10.100.0.0/14+,       # ChaosVPN
-    10.127.0.0/16{16,32}, # neonetwork
+    10.127.0.0/16+,       # neonetwork
     10.0.0.0/8{15,24}     # Freifunk.net
   ];
 }
diff --git a/howto/OpenBGPD.md b/howto/OpenBGPD.md
index 925902d..e1ef538 100644
--- a/howto/OpenBGPD.md
+++ b/howto/OpenBGPD.md
@@ -108,13 +108,13 @@ prefix-set mydn42 {
 # https://dn42.eu/howto/Bird2#example-configuration
 prefix-set dn42etc {
 	172.20.0.0/14 prefixlen 21 - 29	# dn42
-	172.20.0.0/24 prefixlen 28 - 32	# dn42 Anycast
-	172.21.0.0/24 prefixlen 28 - 32	# dn42 Anycast
-	172.22.0.0/24 prefixlen 28 - 32	# dn42 Anycast
-	172.23.0.0/24 prefixlen 28 - 32	# dn42 Anycast
+	172.20.0.0/24 prefixlen >= 28	# dn42 Anycast
+	172.21.0.0/24 prefixlen >= 28	# dn42 Anycast
+	172.22.0.0/24 prefixlen >= 28	# dn42 Anycast
+	172.23.0.0/24 prefixlen >= 28	# dn42 Anycast
 	172.31.0.0/16 or-longer		# ChaosVPN
 	10.100.0.0/14 or-longer		# ChaosVPN
-	10.127.0.0/16 prefixlen 16 - 32	# neonetwork
+	10.127.0.0/16 or-longer		# neonetwork
 	10.0.0.0/8    prefixlen 15 - 24	# Freifunk.net
 	fd00::/8      prefixlen 44 - 64	# dn42
 }