Robtex

Up: 209.209.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 209.209.144.0/21
Down right: 209.209.152.0/21

IP	Type	Hostname
209.209.144.77	A	lexfifth-7206-s4-0-0-144-144-77.wispnet.net
209.209.146.18	A	wisp146-18.wispnet.net
209.209.146.22	A	wisp146-22.wispnet.net
209.209.146.26	A	wisp146-26.wispnet.net
209.209.146.217	A	wisp146-217.wispnet.net
209.209.151.10	A	wisp151-10.wispnet.net
209.209.152.231	A	tnt9.wispnet.net
209.209.153.2	A+PTR	wisp153-2.wispnet.net
209.209.153.4	A+PTR	wisp153-4.wispnet.net
209.209.153.5	A	wisp153-5.wispnet.net
209.209.153.6	A	wisp153-6.wispnet.net
209.209.153.20	A	wisp153-20.wispnet.net
209.209.153.28	A	wisp153-28.wispnet.net
209.209.153.30	A	wisp153-30.wispnet.net
209.209.153.32	A+PTR	wisp153-32.wispnet.net
209.209.153.39	A	wisp153-39.wispnet.net
209.209.153.48	A+PTR	wisp153-48.wispnet.net
209.209.153.50	A+PTR	wisp153-50.wispnet.net
209.209.153.53	A	wisp153-53.wispnet.net
209.209.153.55	A	wisp153-55.wispnet.net
209.209.153.76	A	wisp153-76.wispnet.net
209.209.153.86	A	wisp153-86.wispnet.net
209.209.153.90	A	wisp153-90.wispnet.net
209.209.153.92	A	wisp153-92.wispnet.net
209.209.153.99	A+PTR	wisp153-99.wispnet.net
209.209.153.101	A	wisp153-101.wispnet.net
209.209.153.108	A	wisp153-108.wispnet.net
209.209.153.118	A	wisp153-118.wispnet.net
209.209.153.119	A	wisp153-119.wispnet.net
209.209.153.131	A+PTR	wisp153-131.wispnet.net
209.209.153.133	A	wisp153-133.wispnet.net
209.209.153.135	A	wisp153-135.wispnet.net
209.209.153.137	A	wisp153-137.wispnet.net
209.209.153.144	PTR	wisp153-144.wispnet.net
209.209.153.176	PTR	wispnet153-176.wispnet.net
209.209.153.177	PTR	wispnet153-177.wispnet.net
209.209.153.192	PTR	wispnet153-192.wispnet.net
209.209.153.210	PTR	wispnet153-210.wispnet.net
209.209.153.227	PTR	wispnet153-227.wispnet.net
209.209.153.242	PTR	wispnet153-242.wispnet.net
209.209.153.243	PTR	wispnet153-243.wispnet.net
209.209.155.159	A	wisp-155-159.wispnet.net