Create/Update prefixes for DN42 infrastructure services

- Expand scope of fd42:180:3de0::/48 to cover DN42 infra services
- Assign fd42:180:3de0💯:/60 for registry services
- Allocate 172.22.63.0/24 as the IPv4 service prefix
- Assign 172.22.63.0/28 for registry services
- Update nserver for b.master.delegation-servers.dn42

data/route6/fd42:180:3de0:100::_60

@@ -0,0 +1,13 @@
+route6:             fd42:180:3de0:100::/60
+descr:              DN42 Registry Services
+remarks:            JRB0001-MNT
+origin:             AS4242420119
+remarks:            XUU-MNT
+origin:             AS64737
+remarks:            BURBLE-MNT
+origin:             AS4242422601
+max-length:         64
+mnt-by:             JRB0001-MNT
+mnt-by:             XUU-MNT
+mnt-by:             BURBLE-MNT
+source:             DN42

data/route6/fd42:180:3de0::_56

@@ -1,4 +1,5 @@
-route6:             fd42:180:3de0::/48
+route6:             fd42:180:3de0::/56
+descr:              DN42 DNS Masters
 remarks:            JRB0001-MNT
 origin:             AS4242420119
 remarks:            YAMAKAJA-MNT