Robtex

Up: 216.229.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 216.229.240.0/21
Down right: 216.229.248.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.229.240.18	A	cns1.srnhosting.net
216.229.240.100	PTR	www.vitalitynutra.com
216.229.240.100	A	vitalitynutra.com
216.229.240.100	A	vitalitynutra.net
216.229.240.102	PTR	corp.phx.mainnerve.com
216.229.240.102	A	nav.telematicsdirect.com
216.229.240.103	A+PTR	nav2.telematicsdirect.com
216.229.240.170	A+PTR	www.srnhosting.net
216.229.240.170	A	srnhosting.net
216.229.240.170	A	srnhosting.com
216.229.240.234	A	ns1.srnhosting.com
216.229.240.234	A	ns1.srnhosting.net
216.229.240.241	A+PTR	mx1.srnhosting.net
216.229.241.18	A	cns2.srnhosting.net
216.229.241.163	PTR	customer.phx.srnhosting.net
216.229.241.163	A	bitvoyant.com
216.229.241.171	A+PTR	mx1.bitvoyant.com
216.229.241.234	A	ns2.srnhosting.net
216.229.241.234	A	ns2.srnhosting.com
216.229.241.248	PTR	mnw-248.customer.e5-border1.phx.srnhosting.net
216.229.241.250	PTR	mnw-250.customer.e5-border1.phx.srnhosting.net
216.229.241.250	A	cytel.mynetwatchman.com
216.229.241.250	A	vpn330.mynetwatchman.com
216.229.241.251	PTR	mnw-251.customer.e5-border1.phx.srnhosting.net
216.229.245.10	PTR	customer.phx.srnhosting.net
216.229.245.10	A	britisheyecandy.com
216.229.245.11	PTR	customer.phx.srnhosting.net
216.229.245.11	A	hpluna.com
216.229.245.11	A	www.taboofactory.com
216.229.248.18	A+PTR	ns3.phx2.srnhosting.net
216.229.248.19	A+PTR	ns4.phx2.srnhosting.net
216.229.248.26	PTR	customer.phx.srnhosting.net
216.229.248.26	A	nav.telematicsdirect.com
216.229.248.27	A+PTR	nav2.telematicsdirect.com
216.229.248.98	PTR	customer.phx.srnhosting.net
216.229.250.18	A+PTR	ns5.vegas1.srnhosting.net
216.229.250.19	A+PTR	ns6.vegas1.srnhosting.net
216.229.250.25	A+PTR	nav2.telematicsdirect.com
216.229.250.26	PTR	customer.vegas1.srnhosting.net
216.229.250.26	A	nav.telematicsdirect.com
216.229.251.22	A	nav.telematicsdirect.com
216.229.255.21	PTR	admonitor.phx.mainnerve.com