2001:0718::/32 [CZ-TEN-34-20010521]
2001:AE8::/32 [CZ-IPEXNET-20030205]
2001:AF0::/32 [CZ-GTS-20030211]
2001:B80::/32 [CZ-PRAGONET-20030314]
2001:1488::/32 [CZ-NIC-20030620]
2001:1508::/32 [CZ-VOL-20030717]
2001:1528::/32 [CZ-CASABLANCA-20030724]
2001:1568::/32 [CZ-BECOLINK-20030829]
2001:1a48::/32 [CZ-CDT-20040213]
2001:1ab0::/32 [CZ-IGNUM-20040323]
2001:1ae8::/32 [CZ-RADIOMOBIL-20040407]
2001:1b30::/32 [CZ-CONTACTEL-20040421]
2001:41d8::/32 [CZ-EUROTEL-20041118]
2001:4cc8::/32 [CZ-NETBOX-20050623]
2a01:28::/32 [CZ-SUPERNETWORK-20060214]