Robtex

Up: 199.253.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 199.253.56.0/22
Down right: 199.253.60.0/22

IP	Type	Hostname
199.253.56.1	A+PTR	b0.in.afilias-nst.org
199.253.56.1	A	b0.in.afilias-nst.in
199.253.57.1	A+PTR	c0.in.afilias-nst.info
199.253.58.1	A+PTR	d0.in.afilias-nst.org
199.253.59.1	A+PTR	a0.nic.me
199.253.59.1	A	a0.me.afilias-nst.info
199.253.60.1	A+PTR	b0.nic.me
199.253.60.1	A	b0.me.afilias-nst.org
199.253.61.1	A+PTR	c0.nic.me
199.253.61.1	A	c0.me.afilias-nst.info
199.253.62.1	A+PTR	d0.me.afilias-nst.info
199.253.62.1	A	d0.me.afilias-nst.org
199.253.63.16	A+PTR	r1.dar1.isc.org
199.253.63.17	A+PTR	r2.dar1.isc.org
199.253.63.243	PTR	mgmt.r2.dar1.isc.org