Robtex

Up: 5.61.136.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 5.61.136.0/23
Down right: 5.61.138.0/23

IP	Type	Hostname
5.61.136.199	A	053d88c7.dynamic.tele-ag.de
5.61.136.253	A	053d88fd.dynamic.tele-ag.de
5.61.137.55	A	lichtblitz.org
5.61.137.55	A	hostmaster.lichtblitz.org
5.61.137.190	A	lichtblitz.eu
5.61.138.243	PTR	053d8af3.dynamic.tele-ag.de
5.61.139.24	A	053d8b18.dynamic.tele-ag.de
5.61.139.41	PTR	053d8b29.dynamic.tele-ag.de
5.61.139.125	A+PTR	053d8b7d.dynamic.tele-ag.de
5.61.139.239	A	053d8bef.dynamic.tele-ag.de