Robtex

Up: 192.41.222.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.41.222.0/25
Down right: 192.41.222.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.41.222.0	PTR	net222.threshinc.com
192.41.222.8	A+PTR	ns2.threshinc.com
192.41.222.8	A	dns2.threshinc.com
192.41.222.8	A	ns2.threshinc.net
192.41.222.65	A+PTR	gw1.enchantedlearning.com
192.41.222.66	A+PTR	gw2.enchantedlearning.com
192.41.222.67	A+PTR	mail.enchantedlearning.com
192.41.222.68	A+PTR	members.enchantedlearning.com
192.41.222.71	A+PTR	64bitdualquad-01.thresholdcommunications.com
192.41.222.72	A+PTR	secure.enchantedlearning.com
192.41.222.72	A	www1.enchantedlearning.com
192.41.222.72	A	els1.enchantedlearning.com
192.41.222.73	A+PTR	www2.enchantedlearning.com
192.41.222.74	A+PTR	els4.enchantedlearning.com
192.41.222.75	A+PTR	www4.enchantedlearning.com
192.41.222.77	A+PTR	www5.enchantedlearning.com
192.41.222.78	A+PTR	www6.enchantedlearning.com
192.41.222.79	A+PTR	www7.enchantedlearning.com
192.41.222.80	A+PTR	els1-c.enchantedlearning.com
192.41.222.81	PTR	www.enchantedlearning.com
192.41.222.81	A	www.allaboutmath.com
192.41.222.81	A	allaboutreptiles.com
192.41.222.82	A+PTR	host82.enchantedlearning.com
192.41.222.83	A+PTR	host83.enchantedlearning.com
192.41.222.84	A+PTR	els2.enchantedlearning.com
192.41.222.85	A+PTR	search.enchantedlearning.com
192.41.222.87	A+PTR	oldels2.enchantedlearning.com
192.41.222.88	A+PTR	search.enchantedlearning.com
192.41.222.89	A+PTR	rtr1.enchantedlearning.com
192.41.222.90	A+PTR	rtr2.enchantedlearning.com
192.41.222.91	A+PTR	host91.enchantedlearning.com
192.41.222.91	A	wail.enchantedlearning.com
192.41.222.92	A+PTR	host92.enchantedlearning.com
192.41.222.92	A	sail.enchantedlearning.com
192.41.222.93	PTR	rtr1.enchantedlearning.com
192.41.222.94	PTR	rtr2.enchantedlearning.com
192.41.222.95	A+PTR	els-bc.enchantedlearning.com