Robtex

Up: 206.211.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 206.211.160.0/20
Down right: 206.211.176.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
206.211.160.0	PTR	206-211-160-0.static.columbus.gov
206.211.164.10	PTR	mail.columbus.gov
206.211.165.11	PTR	206-211-165-11.static.columbus.gov
206.211.166.11	PTR	www.csc.cmhmetro.net
206.211.166.12	A	gis.columbus.gov
206.211.166.17	PTR	206-211-166-17.static.columbus.gov
206.211.166.63	A	mailgwa02.columbus.gov
206.211.166.66	PTR	pmailgwa01.columbuspolice.org
206.211.166.198	PTR	206-211-166-198.static.columbus.gov
206.211.166.198	A	columbusbondpackage.org
206.211.166.198	A	columbusohio.us
206.211.166.201	PTR	206-211-166-201.static.columbus.gov
206.211.166.205	PTR	mail174.columbus.gov
206.211.166.205	A	city.columbus.gov
206.211.171.1	PTR	206-211-171-1.static.columbus.gov
206.211.177.6	A	auditor.columbus.gov
206.211.177.19	A+PTR	mailgwa01.columbus.gov
206.211.177.25	PTR	206-211-177-25.static.columbus.gov
206.211.177.25	A	mail1.columbus.gov
206.211.177.66	A	pmailgwa02.columbuspolice.org
206.211.177.216	PTR	206-211-177-216.static.columbus.gov
206.211.177.216	A	311.columbus.gov
206.211.177.216	A	columbusgreenspot.com
206.211.177.222	A	maria.columbuspolice.org
206.211.177.223	PTR	206-211-177-223.static.columbus.gov
206.211.177.223	A	columbuspolice.org
206.211.177.229	PTR	206-211-177-229.static.columbus.gov
206.211.177.229	A	columbusbondpackage.org
206.211.177.229	A	gettestedcolumbus.com
206.211.177.231	PTR	206-211-177-231.static.columbus.gov
206.211.177.242	PTR	mailgwa03.columbus.gov
206.211.179.5	PTR	206-211-179-5.static.columbus.gov
206.211.180.1	PTR	206-211-180-1.static.columbus.gov
206.211.180.1	A	city.columbus.gov
206.211.188.82	PTR	206-211-188-82.static.columbus.gov
206.211.191.20	PTR	206-211-191-20.static.columbus.gov
206.211.191.20	A	gis.columbus.gov