Robtex

Up: 68.116.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 68.116.248.0/22
Down right: 68.116.252.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
68.116.248.0	PTR	68-116-248-0.dhcp.dntn.tx.charter.com
68.116.248.26	PTR	68-116-248-26.dhcp.dntn.tx.charter.com
68.116.248.26	A	3stech.org
68.116.248.111	A	mail.myanmarmp3.org
68.116.249.115	A+PTR	68-116-249-115.dhcp.dntn.tx.charter.com
68.116.249.115	A	alexanderbytes.com
68.116.249.152	A+PTR	68-116-249-152.dhcp.dntn.tx.charter.com
68.116.249.213	A+PTR	68-116-249-213.dhcp.dntn.tx.charter.com
68.116.250.163	A+PTR	68-116-250-163.dhcp.dntn.tx.charter.com
68.116.250.186	A	68-116-250-186.dhcp.dntn.tx.charter.com
68.116.250.205	A	68-116-250-205.dhcp.dntn.tx.charter.com
68.116.251.3	A+PTR	68-116-251-3.dhcp.dntn.tx.charter.com
68.116.251.89	A+PTR	68-116-251-89.dhcp.dntn.tx.charter.com
68.116.254.154	A	woffordsecurehosting.com
68.116.254.154	A	dieseljeeptech.com
68.116.254.154	A	woffordhosting.com
68.116.254.171	A+PTR	68-116-254-171.static.dntn.tx.charter.com
68.116.254.183	A	mail.speqtrum-pps.com
68.116.254.230	A+PTR	68-116-254-230.static.dntn.tx.charter.com
68.116.254.253	A+PTR	phillipyoung.com
68.116.254.253	A	www.phillipyoung.com
68.116.255.38	A	smtp.selwynschool.com
68.116.255.38	A	mail.selwynschool.com
68.116.255.50	A+PTR	remote.bontsoftware.com
68.116.255.66	A	tddatalink.com
68.116.255.74	A+PTR	mail.medteam.net
68.116.255.74	A	ccnet-exch.trlx.com
68.116.255.74	A	ns.medteam.net
68.116.255.76	PTR	crus-exch.medteam.net
68.116.255.114	A	mail.achieversgymnastics.com
68.116.255.114	A	server1.achieversgymnastics.com
68.116.255.146	A	exchange.mfbc-fw.com
68.116.255.146	A	tarrantbizbuy.com
68.116.255.163	A+PTR	68-116-255-163.static.dntn.tx.charter.com
68.116.255.198	A+PTR	mx3.repairsvc.com
68.116.255.242	PTR	winnsys.com