Robtex

Up: 192.42.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 192.42.40.0/23
Down right: 192.42.42.0/23

IP	Type	Hostname
192.42.42.1	A	accessa.unine.ch
192.42.42.2	A+PTR	accessb.unine.ch
192.42.42.12	A	www.logamine.fr
192.42.42.22	A	pave.unine.ch
192.42.42.23	A	paveb.unine.ch
192.42.42.41	A	accessa-v800.unine.ch
192.42.42.56	PTR	vpn.csem.ch
192.42.42.57	PTR	vpn-f.csem.ch
192.42.42.60	A+PTR	centredocgate.centredoc.ch
192.42.42.61	A+PTR	vpn.csem.ch
192.42.42.74	A	rpngate-1.unine.ch
192.42.42.81	A+PTR	accessa-gi-3-5.unine.ch
192.42.42.94	A+PTR	csemsbr.unine.ch
192.42.42.109	A	accessb-gi-1-0-7.unine.ch
192.42.42.114	A+PTR	uniasrvgw-1.unine.ch
192.42.42.132	A	tlc-centos1.unine.ch
192.42.42.150	A+PTR	fwlabosys.unineuch.ch
192.42.42.150	PTR	mail1.unineuch.ch
192.42.42.154	A+PTR	ntppublic.unine.ch
192.42.43.1	A	gatea-3.unineuchatel.ch
192.42.43.2	A	gateb-3.unineuchatel.ch
192.42.43.21	A	planetlab0.unineuchatel.ch
192.42.43.22	A+PTR	planetlab1.unineuchatel.ch
192.42.43.23	A+PTR	planetlab2.unineuchatel.ch
192.42.43.23	A	192.42.43.23.ip4.nyucd.net
192.42.43.30	A	inclu.unineuchatel.ch
192.42.43.32	A+PTR	clusterinfo2.unineuchatel.ch
192.42.43.42	A+PTR	splay2.unineuchatel.ch
192.42.43.43	A	splay3.unineuchatel.ch
192.42.43.46	A	splay6.unineuchatel.ch
192.42.43.48	A+PTR	splay8.unineuchatel.ch