Robtex

Up: 209.163.112.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 209.163.116.0/23
Down right: 209.163.118.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
209.163.117.35	PTR	usatek.net
209.163.117.35	A	redwood.usatek.net
209.163.117.35	A	www.cove.net
209.163.117.36	PTR	usatek-209-163-117-36.pitb.coretel.net
209.163.117.36	A	elm.usatek.net
209.163.117.37	PTR	usatek-209-163-117-37.pitb.coretel.net
209.163.117.47	A	smtp.yellowbananas.com
209.163.117.48	PTR	ns1.usatek.net
209.163.117.48	A	juniper.usatek.net
209.163.117.48	A	ns1.certainty.net
209.163.117.49	PTR	ns2.usatek.net
209.163.117.49	A	cedar.usatek.net
209.163.117.51	A	win2k.usatek.net
209.163.117.54	PTR	a.mx.usatek.net
209.163.117.54	A	a.mx.pghfamily.net
209.163.117.54	A	a.mx.cttelecom.us
209.163.117.57	PTR	usatek-209-163-117-57.pitb.coretel.net
209.163.117.60	PTR	usatek-209-163-117-60.pitb.coretel.net
209.163.117.67	PTR	host-209-163-117-67.static.sprious.com
209.163.117.133	PTR	oob.crocodile.coretel.net
209.163.118.17	A+PTR	balt-209-163-118-17.dynamic-dialup.coretel.net
209.163.118.38	A+PTR	balt-209-163-118-38.dynamic-dialup.coretel.net
209.163.118.42	A+PTR	balt-209-163-118-42.dynamic-dialup.coretel.net
209.163.118.76	A+PTR	balt-209-163-118-76.dynamic-dialup.coretel.net
209.163.118.91	A	balt-209-163-118-91.dynamic-dialup.coretel.net
209.163.118.100	A+PTR	balt-209-163-118-100.dynamic-dialup.coretel.net
209.163.118.193	PTR	balt-209-163-118-193.dynamic-dialup.coretel.net
209.163.118.227	A+PTR	host-209-163-118-227.static.sprious.com
209.163.118.238	PTR	balt-209-163-118-238.dynamic-dialup.coretel.net
209.163.119.33	A+PTR	balt-209-163-119-33.dynamic-dialup.coretel.net
209.163.119.60	A+PTR	balt-209-163-119-60.dynamic-dialup.coretel.net
209.163.119.61	A+PTR	balt-209-163-119-61.dynamic-dialup.coretel.net
209.163.119.65	A+PTR	balt-209-163-119-65.dynamic-dialup.coretel.net
209.163.119.96	A+PTR	host-209-163-119-96.static.sprious.com
209.163.119.131	A+PTR	balt-209-163-119-131.dynamic-dialup.coretel.net
209.163.119.142	A	balt-209-163-119-142.dynamic-dialup.coretel.net
209.163.119.152	A+PTR	balt-209-163-119-152.dynamic-dialup.coretel.net
209.163.119.218	A+PTR	balt-209-163-119-218.dynamic-dialup.coretel.net
209.163.119.221	A+PTR	host-209-163-119-221.static.sprious.com
209.163.119.243	A+PTR	balt-209-163-119-243.dynamic-dialup.coretel.net