Robtex

Up: 183.78.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 183.78.0.0/18
Down right: 183.78.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
183.78.0.4	A+PTR	aggproxy.ytlcomms.com
183.78.0.4	A+PTR	kl_sbc_ymax.ytlcomms.com
183.78.0.4	A+PTR	aggproxy.yes.my
183.78.0.7	A+PTR	aggproxy.ytlcomms.com
183.78.0.7	A+PTR	kl_sbc_ymax.ytlcomms.com
183.78.0.7	A+PTR	aggproxy.yes.my
183.78.0.10	PTR	kl_sbc_ymax.ytlcomms.net
183.78.0.142	PTR	kl-infra-dns-04.ytlcomms.net
183.78.0.145	PTR	kl-infra-dns-05.ytlcomms.net
183.78.0.172	PTR	ns0.ytlcomms.com
183.78.0.172	PTR	ns0.yes.my
183.78.0.172	A+PTR	ns1.ytlbroadband.my
183.78.1.15	A+PTR	speedtest.ytlcomms.my
183.78.1.15	A+PTR	speedtest2.ytlcomms.my
183.78.1.15	PTR	speedtest3.ytlcomms.my
183.78.1.16	A	speedtest.ytlbroadband.my
183.78.1.24	A	developer.ytlcomms.my
183.78.1.125	A	coverage.yes.my
183.78.1.141	A+PTR	kl-tier1-smtp-02.ytlcomms.com
183.78.2.99	A	speedtest.ytlbroadband.my
183.78.3.160	A+PTR	coverage.yes.my
183.78.3.163	PTR	yescrm.yes.my
183.78.3.164	A+PTR	www.yes.my
183.78.3.164	A+PTR	yes.my
183.78.3.164	A	revamp.yes.my
183.78.4.14	A+PTR	ipv6.yes.my
183.78.4.131	A+PTR	proxy99.yes.my
183.78.4.144	A	www.ytlcare.com
183.78.4.145	A+PTR	mail.ytlcare.com
183.78.4.183	A	ns2.whecloud.com
183.78.5.76	A	r1.sn-tuajvhhn-30ae.gvt1.com
183.78.5.76	A	r1---sn-tuajvhhn-30ae.googlevideo.com
183.78.5.77	A	r2---sn-tuajvhhn-30ae.googlevideo.com
183.78.5.77	A	r2.sn-tuajvhhn-30ae.googlevideo.com
183.78.5.140	A	r1.sn-tuajvhhn-30al.googlevideo.com
183.78.5.140	A	r1---sn-tuajvhhn-30al.googlevideo.com
183.78.5.141	A	r2.sn-tuajvhhn-30al.googlevideo.com
183.78.5.141	A	r2---sn-tuajvhhn-30al.googlevideo.com
183.78.9.140	A	r1.sn-tuajvhhn-30as.googlevideo.com
183.78.9.141	A	r2.sn-tuajvhhn-30as.googlevideo.com
183.78.12.2	A	occ-0-3661-64.1.nflxso.net
183.78.12.2	A	ipv4-c001-szb001-ytl-isp.1.oca.nflxvideo.net
183.78.12.2	A	occ-0-3661-58.1.nflxso.net
183.78.12.10	A	occ-0-3661-64.1.nflxso.net
183.78.12.10	A	occ-0-3661-58.1.nflxso.net
183.78.12.10	A	ipv4-c002-szb001-ytl-isp.1.oca.nflxvideo.net
183.78.45.183	A	powervpn.net
183.78.64.4	A+PTR	pg_sbc_ymax.ytlcomms.com
183.78.64.4	A+PTR	proxy03.yes.my
183.78.64.4	PTR	pg_sbc_ymax.ytlcomms.net
183.78.64.79	A+PTR	pg-infra-dns-02.ytlcomms.com
183.78.67.245	A	solra1.com
183.78.125.203	PTR	mail.ytlcomms.my