diff --git a/master/db.arpa.in-addr.10.112 b/master/db.arpa.in-addr.10.112
index 4b20030..106fbfc 100644
--- a/master/db.arpa.in-addr.10.112
+++ b/master/db.arpa.in-addr.10.112
@@ -15,6 +15,7 @@ $TTL 86400	; 1 Tag
 
 ; Dokumentation
 ; Hamburg 	10.112.0.0/18
+; Hamburg2	10.112.192.0/18
 
 ; Server
 1.1                     PTR     srv01.ffhh.
diff --git a/master/db.arpa.ip6.2.a.0.3.2.2.6.7 b/master/db.arpa.ip6.2.a.0.3.2.2.6.7
index 78bc569..59b4f5c 100644
--- a/master/db.arpa.ip6.2.a.0.3.2.2.6.7
+++ b/master/db.arpa.ip6.2.a.0.3.2.2.6.7
@@ -15,6 +15,7 @@ $TTL 86400	; 1 Tag
 
 ; Dokumentation
 ; Hamburg 	2a03:2267:0000::/48
+; Hamburg2	2a03:2267:192:/48
 ; Helgoland 	2a03:2267:4e16::/48
 ; FFNord 	2a03:2267:4e6f::/48
 ; Intern	2a03:2267:ba5e::/48