Robtex

Up: 157.246.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 157.247.0.0/17
Down right: 157.247.128.0/17

IP	Type	Hostname
157.247.250.12	A+PTR	orion.avl.com
157.247.250.13	A+PTR	ecolweb.avl.com
157.247.250.16	A+PTR	extranet.avl.com
157.247.250.16	A	moxbase.com
157.247.252.2	A+PTR	avlgate.avl.com
157.247.252.2	A+PTR	ns1.avl.com
157.247.252.12	A+PTR	ns2.avl.com
157.247.252.56	A	mail6.avl.com
157.247.253.131	PTR	vpn.avl.com
157.247.254.71	A+PTR	relay01.avl.com
157.247.254.72	A+PTR	relay02.avl.com