Robtex

Up: 78.135.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 78.135.0.0/23
Down right: 78.135.2.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
78.135.0.1	PTR	one.extendbroadband.com
78.135.0.10	A+PTR	ns1.extendbroadband.com
78.135.0.10	A	ns1.universalbank.com.tr
78.135.0.11	A+PTR	ns2.extendbroadband.com
78.135.0.11	A	ns2.universalbank.com.tr
78.135.0.13	PTR	78-135-0-13.extendbroadband.com
78.135.0.13	A	st1.extendbroadband.com
78.135.0.13	A	404.extendbroadband.com
78.135.0.14	PTR	78-135-0-14.extendbroadband.com
78.135.0.14	A	st1.extendbroadband.com
78.135.0.14	A	404.extendbroadband.com
78.135.0.18	A+PTR	web.extendbroadband.com
78.135.0.18	A	4442992.com
78.135.0.18	A	3xtnd.com
78.135.0.20	PTR	mars.extendbroadband.com
78.135.0.20	A	3xtnd.com
78.135.0.20	A	www.extendbroadband.com
78.135.0.30	PTR	mail.extendbroadband.com
78.135.0.30	A	www.ari.net.tr
78.135.0.30	A	aydogancommunication.net
78.135.0.31	PTR	hosting.extendbroadband.com
78.135.0.33	PTR	78-135-0-33.extendbroadband.com
78.135.0.33	A	mail.mycy.org
78.135.0.33	A	mail.digipot.co
78.135.0.38	PTR	78-135-0-38.extendbroadband.com
78.135.0.42	PTR	78-135-0-42.extendbroadband.com
78.135.0.45	PTR	mail2.cyprusns.com
78.135.0.45	A	mail.bluesky-ins.com
78.135.0.45	A	www.transferbulteni.com
78.135.0.66	PTR	78-135-0-66.extendbroadband.com
78.135.0.112	PTR	78-135-0-112.extendbroadband.com
78.135.0.130	PTR	78-135-0-130.extendbroadband.com
78.135.0.130	A	www.mandiratimes.com
78.135.0.130	A	mail.mandiratimes.com
78.135.0.185	PTR	78-135-0-185.extendbroadband.com
78.135.0.225	PTR	78-135-0-225.extendbroadband.com
78.135.0.240	PTR	78-135-0-240.extendbroadband.com
78.135.1.0	PTR	78-135-1-0.extendbroadband.com
78.135.1.18	A	scontent.fecn4-1.fna.fbcdn.net
78.135.1.33	A	instagram.fecn4-1.fna.fbcdn.net
78.135.1.161	PTR	78-135-1-161.extendbroadband.com
78.135.1.230	PTR	78-135-1-230.extendbroadband.com
78.135.3.193	PTR	78-135-3-193.extendbroadband.com