Robtex

Up: 2001:4170::/28
Can't show all results, try to descend to a more specific CIDR
Down left: 2001:4178::/30
Down right: 2001:417c::/30

IP	Type	Hostname
2001:4178::2	A+PTR	b02-lo1.muc01.net.internetx.com
2001:4178::2	A	b2.net.muc2.internetx.de
2001:4178::4	PTR	c02-lo1.muc01.net.internetx.com
2001:4178::4	A	c2.net.muc2.internetx.de
2001:4178::6	A+PTR	bb02-lo1.muc03.net.internetx.com
2001:4178:1::6	PTR	c01-te9-1.muc01.net.internetx.com