Robtex

Up: 86.58.240.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 86.58.244.0/23
Down right: 86.58.246.0/23

IP	Type	Hostname
86.58.244.86	PTR	relay0586.sendeserver.dk
86.58.244.92	PTR	relay0592.sendeserver.dk
86.58.244.98	PTR	relay0598.sendeserver.dk
86.58.244.109	PTR	relay05109.sendeserver.dk
86.58.244.110	PTR	relay05110.sendeserver.dk
86.58.244.120	PTR	relay05120.sendeserver.dk
86.58.244.130	PTR	relay05130.sendeserver.dk
86.58.244.148	PTR	relay05148.sendeserver.dk
86.58.244.196	PTR	relay05196.sendeserver.dk
86.58.246.7	PTR	relay077.sendeserver.dk
86.58.246.44	PTR	relay0744.sendeserver.dk
86.58.246.218	PTR	relay07218.sendeserver.dk
86.58.247.68	PTR	relay0868.sendeserver.dk