Robtex

Up: 81.17.96.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 81.17.104.0/22
Down right: 81.17.108.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.17.104.142	A	ay.de
81.17.104.142	A	sonoace.de
81.17.109.10	A	*.powerseek.de
81.17.109.10	A	powerseek.de
81.17.109.10	A	hostmaster.powerseek.de
81.17.110.0	PTR	h-4d6929c.pool.muc4.ip-dsl.de
81.17.110.10	A	ostpriesterhilfe.de