Robtex

Up: 199.255.160.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 199.255.168.0/22
Down right: 199.255.172.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.255.169.122	A+PTR	dns20.pulsenet.com
199.255.169.123	A	dns22.pulsenet.com
199.255.169.130	A+PTR	mail.pulsenet.net
199.255.169.131	A+PTR	nomad.pulsenet.net
199.255.169.131	A	pulsenet.net
199.255.169.131	A	www.pulsenet.com
199.255.169.137	A	mail.alleghenycrane.com
199.255.169.138	A	mail.customsoftwaresolutions.us
199.255.169.140	A+PTR	mail.dtins.com
199.255.169.145	A	mail.pyrsquared.com
199.255.169.146	A+PTR	mail.wacoha.com
199.255.169.146	A	www.wacoha.com
199.255.169.149	A	mail.inbinc.com
199.255.169.158	A+PTR	mail.sivie.com
199.255.169.158	A	sivie.com
199.255.169.170	A	up.pulsenet.net
199.255.170.11	A	carbonsteelinspection.com
199.255.170.11	A	primetimeaaubb.com
199.255.170.12	A	mail.carbonsteelinspection.com
199.255.170.66	A+PTR	mail1.fswp.org
199.255.170.90	A+PTR	mail.comprehensivesafety.com
199.255.170.90	A	mail.csc-inc.cc
199.255.170.98	A	netscreen.busybeaver.com
199.255.170.101	A	as400.busybeaver.com
199.255.170.103	A	uparcproxy.busybeaver.com
199.255.170.104	A	mail01.busybeaver.com
199.255.170.104	A	mail02.busybeaver.com
199.255.170.104	A	eps.busybeaver.com
199.255.170.105	A	bcdt.busybeaver.com
199.255.170.114	PTR	mail.uniontown.com
199.255.170.115	PTR	mail.uniontown.com
199.255.170.115	A	linux.uniontown.com
199.255.170.115	A	ns3.uniontown.com
199.255.170.116	PTR	mail.uniontown.com
199.255.170.117	PTR	mail.uniontown.com
199.255.171.166	A	natsigtech.com
199.255.171.166	A	mail.natsigtech.com
199.255.171.198	A	parctech.com
199.255.173.18	A+PTR	dns10.pulsenet.net
199.255.173.18	A	dns1.pulsenet.net
199.255.173.19	A	dns11.pulsenet.net