Robtex

Up: 199.19.56.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 199.19.56.0/24
Down right: 199.19.57.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.19.56.1	A+PTR	a0.org.afilias-nst.info
199.19.56.1	A	a0.nic.ong
199.19.56.1	A	a0.nic.ngo
199.19.57.1	A+PTR	d0.org.afilias-nst.org
199.19.57.1	A	d0.nic.ong
199.19.57.1	A	d0.org.afilias-nst.info
199.19.57.10	A	*.iamtoodumbtosetupdns.10.57.19.199.hitfarm.com