Robtex

Up: 220.255.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 220.255.4.0/23
Down right: 220.255.6.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
220.255.4.8	A	proxy.singnet.com
220.255.4.8	A	proxy.singnet.com.sg
220.255.4.8	A	proxy2.singnet.com.sg
220.255.4.9	A	proxy.singnet.com
220.255.4.9	A	proxy.singnet.com.sg
220.255.4.9	A	proxy2.singnet.com.sg
220.255.4.16	A+PTR	recursorw5.singnet.com.sg
220.255.4.18	A+PTR	recursorw1.singnet.com.sg
220.255.4.19	A+PTR	recursorw2.singnet.com.sg
220.255.4.22	PTR	xe-1-0-0-230.corona.singnet.com.sg
220.255.4.28	A	www.merlioncity.com
220.255.4.30	A	webbitworld.com
220.255.4.245	PTR	recursor1.singent.com.sg
220.255.5.2	PTR	ae7-442.singha.singnet.com.sg
220.255.5.12	A	r1.sn-npobuxa-npoe6.googlevideo.com
220.255.5.13	A	r2.sn-npobuxa-npoe6.gvt1.com
220.255.5.13	A	r2.sn-npobuxa-npoe6.googlevideo.com
220.255.5.14	A	r3.sn-npobuxa-npoe6.googlevideo.com
220.255.5.16	A	r5.sn-npobuxa-npoe6.googlevideo.com
220.255.5.16	A	r5.sn-npobuxa-npoe6.gvt1.com
220.255.5.17	A	r6.sn-npobuxa-npoe6.gvt1.com
220.255.5.17	A	r6.sn-npobuxa-npoe6.googlevideo.com
220.255.5.76	A	r1.sn-npobuxa-npoed.googlevideo.com
220.255.5.77	A	r2.sn-npobuxa-npoed.googlevideo.com
220.255.5.78	A	r3.sn-npobuxa-npoed.gvt1.com
220.255.5.78	A	r3.sn-npobuxa-npoed.googlevideo.com
220.255.5.80	A	r5.sn-npobuxa-npoed.googlevideo.com
220.255.5.80	A	r5.sn-npobuxa-npoed.gvt1.com
220.255.5.81	A	r6.sn-npobuxa-npoed.googlevideo.com
220.255.5.81	A	r6.sn-npobuxa-npoed.gvt1.com
220.255.5.130	PTR	ae3-432.kirin.singnet.com.sg
220.255.5.140	A	r1---sn-npobuxa-npoel.googlevideo.com
220.255.5.141	A	r2---sn-npobuxa-npoel.googlevideo.com
220.255.5.142	A	r3---sn-npobuxa-npoel.googlevideo.com
220.255.5.142	A	r3.sn-npobuxa-npoel.googlevideo.com
220.255.5.144	A	r5---sn-npobuxa-npoel.googlevideo.com
220.255.5.144	A	r5.sn-npobuxa-npoel.googlevideo.com
220.255.5.145	A	r6---sn-npobuxa-npoel.googlevideo.com
220.255.5.145	A	r6.sn-npobuxa-npoel.googlevideo.com
220.255.5.204	A	r1.sn-npobuxa-npoez.gvt1.com
220.255.5.205	A	r2---sn-npobuxa-npoez.googlevideo.com
220.255.5.206	A	r3---sn-npobuxa-npoez.googlevideo.com
220.255.5.206	A	r3.sn-npobuxa-npoez.gvt1.com
220.255.5.208	A	r5---sn-npobuxa-npoez.googlevideo.com
220.255.5.209	A	r6.sn-npobuxa-npoez.googlevideo.com
220.255.5.209	A	r6---sn-npobuxa-npoez.googlevideo.com
220.255.5.210	A	r7---sn-npobuxa-npoez.googlevideo.com
220.255.6.12	A	r1---sn-npobuxa-npo6.googlevideo.com
220.255.6.12	A	r1.sn-npobuxa-npo6.googlevideo.com
220.255.6.13	A	r2.sn-npobuxa-npo6.googlevideo.com
220.255.6.13	A	r2---sn-npobuxa-npo6.googlevideo.com
220.255.6.16	A	r5---sn-npobuxa-npo6.googlevideo.com
220.255.6.17	A	r6---sn-npobuxa-npo6.googlevideo.com
220.255.6.18	A	r7---sn-npobuxa-npo6.googlevideo.com
220.255.6.19	A	r8---sn-npobuxa-npo6.googlevideo.com
220.255.6.76	A	r1.sn-npobuxa-npod.googlevideo.com
220.255.6.77	A	r2.sn-npobuxa-npod.googlevideo.com
220.255.6.78	A	r3.sn-npobuxa-npod.gvt1.com
220.255.6.78	A	r3---sn-npobuxa-npod.googlevideo.com
220.255.6.80	A	r5---sn-npobuxa-npod.googlevideo.com
220.255.6.81	A	r6---sn-npobuxa-npod.googlevideo.com
220.255.6.81	A	r6.sn-npobuxa-npod.gvt1.com
220.255.6.82	A	r7---sn-npobuxa-npod.googlevideo.com
220.255.6.140	A	r1---sn-npobuxa-npok.googlevideo.com
220.255.6.140	A	r1.sn-npobuxa-npok.googlevideo.com
220.255.6.141	A	r2.sn-npobuxa-npok.googlevideo.com
220.255.6.142	A	r3.sn-npobuxa-npok.c.pack.google.com
220.255.6.144	A	r5---sn-npobuxa-npok.googlevideo.com
220.255.6.145	A	r6---sn-npobuxa-npok.googlevideo.com
220.255.6.145	A	r6.sn-npobuxa-npok.googlevideo.com
220.255.6.146	A	r7---sn-npobuxa-npok.googlevideo.com
220.255.6.204	A	r1---sn-npobuxa-npor.googlevideo.com
220.255.6.205	A	r2---sn-npobuxa-npor.googlevideo.com
220.255.6.206	A	r3---sn-npobuxa-npor.googlevideo.com
220.255.6.206	A	r3.sn-npobuxa-npor.gvt1.com
220.255.6.208	A	r5---sn-npobuxa-npor.googlevideo.com
220.255.6.209	A	r6.sn-npobuxa-npor.googlevideo.com
220.255.6.209	A	r6---sn-npobuxa-npor.googlevideo.com
220.255.6.210	A	r7.sn-npobuxa-npor.gvt1.com
220.255.7.9	A	linus.singnet.com.sg
220.255.7.10	A+PTR	lunar.singnet.com.sg