diff --git a/data/inet6num/fd5b:d2a7::_32 b/data/inet6num/fd5b:d2a7::_32
index cc91bd38b..fb802b1e3 100644
--- a/data/inet6num/fd5b:d2a7::_32
+++ b/data/inet6num/fd5b:d2a7::_32
@@ -1,4 +1,4 @@
-inet6num:           fd5b:d2a7:0000:0000:0000:0000:0000:0000 - FD5B:D2A7:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF
+inet6num:           fd5b:d2a7:0000:0000:0000:0000:0000:0000 - fd5b:d2a7:ffff:ffff:ffff:ffff:ffff:ffff
 cidr:               fd42:d2a7::/32
 netname:            XSFMETT-NETWORK
 descr:              Network of LKH entertaining