Robtex

Up: 192.135.204.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.135.204.0/25
Down right: 192.135.204.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.135.204.3	PTR	192-135-204-3.mcallen.net
192.135.204.33	PTR	192-135-204-33.mcallen.net
192.135.204.33	A	192-135-204-43.mcallen.net
192.135.204.33	A	*.mcallen.net
192.135.204.34	A+PTR	mail.mcallen.net
192.135.204.34	A	pool-3.mcallen.net
192.135.204.36	PTR	192-135-204-36.mcallen.net
192.135.204.36	A	www.ezcrossbridge.net
192.135.204.36	A	ezcrossbridge.net
192.135.204.38	A	mcallenparks.net
192.135.204.43	PTR	192-135-204-43.mcallen.net
192.135.204.43	A	mcallenholidayparade.com
192.135.204.52	A	*.mcallenairport.com
192.135.204.52	A	www.mcallenairport.com
192.135.204.52	A	mcallenairport.com
192.135.204.58	PTR	192-135-204-58.mcallen.net
192.135.204.58	A	www.quintamazatlan.com
192.135.204.58	A	quintamazatlan.com
192.135.204.67	PTR	192-135-204-67.mcallen.net
192.135.204.67	A	www.mcallenlibrary.net
192.135.204.67	A	mcallenlibrary.net
192.135.204.68	PTR	192-135-204-68.mcallen.net
192.135.204.68	A	mcallenholidayparade.net
192.135.204.68	A	www.mcallenmarathon.com
192.135.204.71	PTR	192-135-204-71.mcallen.net
192.135.204.72	PTR	192-135-204-72.mcallen.net
192.135.204.72	A	exploremcallen.com
192.135.204.73	PTR	192-135-204-73.mcallen.net
192.135.204.73	A	mcallenlibrary.org
192.135.204.73	A	www.quintamazatlan.net
192.135.204.76	A	metromcallen.net
192.135.204.76	A	metromcallen.com
192.135.204.94	PTR	192-135-204-94.mcallen.net
192.135.204.112	A	mail.palmviewgolf.com
192.135.204.112	A	palmviewgolf.com
192.135.204.251	A	mailx.mymcallen.com
192.135.204.255	PTR	192-135-204-255.mcallen.net