2001:0800::/32 [ES-TTD-20020705]
2001:0720::/32 [ES-REDIRIS-20010521]
2001:09D8::/32 [ES-TELEFONICA-20021108]
2001:A50::/32 [ES-XTEC-20021217]
2001:AC0::/32 [ES-BTTEL-20030129]
2001:B38::/32 [ES-INTELIDEAS-20030224]
2001:B90::/32 [ES-INTERHOST-20030317]
2001:BA0::/32 [ES-ARSYS-20030326]
2001:1498::/32 [ES-TDATACORP-20030623]
2001:4030::/32 [ES-IPORIUM-20040629]
2001:40b0::/32 [ES-CESCA-20040723]
2001:4108::/32 [ES-MEDUSA-20040910]
2001:4c60::/32 [ES-CTELE-20050509]
2001:4d10::/32 [ES-ALTECOM-20050720]
2001:4d28::/32 [ES-IPCOM-20050817]
2001:4d90::/32 [ES-IBER-X-20051020]
2a01:48::/32 [ES-ABRARED-20060224]