Robtex

Up: 2001:420:1200::/40
Can't show all results, try to descend to a more specific CIDR
Down left: 2001:420:1200::/42
Down right: 2001:420:1240::/42
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
2001:420:1200:9::1	A+PTR	alln01-mda2-dmznet-gw2-ten1-1.cisco.com
2001:420:1200:d::3	A+PTR	alln01-mda1-corp-sw1.cisco.com
2001:420:1200:11::1	A+PTR	alln01-mda1-dmzdcc-gw1-por2.cisco.com
2001:420:1200:15::1	A+PTR	alln01-hda2-dcz03n-gw2-por1.cisco.com
2001:420:1201:2::a	A+PTR	www2.cisco.com
2001:420:1201:2::a	A	www.ipv6.cisco.com
2001:420:1201:2::a	A	ipv6.cisco.com
2001:420:1201:4::b	PTR	cloudsso2.cisco.com
2001:420:1201:4::d	PTR	cloudsso-test2.cisco.com