Robtex

Up: 202.156.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 202.156.0.0/23
Down right: 202.156.2.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
202.156.0.0	PTR	0.0.156.202.starhub.net.sg
202.156.0.34	A+PTR	time2.maxonline.com.sg
202.156.0.34	A	1.vyatta.pool.ntp.org
202.156.0.34	A	1.servertech.pool.ntp.org
202.156.1.9	A	suk.maxonline.com.sg
202.156.1.16	A+PTR	dnscache4.maxonline.com.sg
202.156.1.18	PTR	18.1.156.202.starhub.net.sg
202.156.1.18	A	odyssey.us.galaxynet.org
202.156.1.18	A	sydney.nsw.au.galaxynet.org
202.156.1.38	PTR	38.1.156.202.starhub.net.sg
202.156.1.46	PTR	dns2-01.maxonline.com.sg
202.156.1.47	PTR	unknown.maxonline.com.sg
202.156.1.48	PTR	48.1.156.202.starhub.net.sg
202.156.1.51	A+PTR	adns1.maxonline.com.sg
202.156.1.52	A+PTR	adns2.maxonline.com.sg
202.156.1.53	A+PTR	adns3.maxonline.com.sg
202.156.1.56	A+PTR	adns6.maxonline.com.sg
202.156.1.58	PTR	unknown.maxonline.com.sg
202.156.1.68	PTR	unknown.maxonline.com.sg
202.156.1.86	A+PTR	grieg.maxonline.com.sg
202.156.1.88	PTR	88.1.156.202.starhub.net.sg
202.156.1.88	A	mxcm.scvmaxonline.com.sg
202.156.1.139	PTR	139.1.156.202.starhub.net.sg
202.156.1.165	PTR	165.1.156.202.starhub.net.sg
202.156.1.165	A	dns1-02.maxonline.com.sg
202.156.1.166	A+PTR	dns1.maxonline.com.sg
202.156.1.167	A	dns2-01.maxonline.com.sg
202.156.1.168	PTR	dns1-02.maxonline.com.sg
202.156.1.171	A+PTR	dns1-02.maxonline.com.sg
202.156.2.12	PTR	12.2.156.202.starhub.net.sg
202.156.2.58	PTR	58.2.156.202.starhub.net.sg
202.156.2.82	PTR	82.2.156.202.starhub.net.sg
202.156.2.82	A	cache82.156ce.maxonline.com.sg
202.156.2.147	A	cache147.156ce.maxonline.com.sg
202.156.2.162	PTR	cache162.156ce.maxonline.com.sg
202.156.2.170	PTR	unknown.maxonline.com.sg
202.156.2.234	PTR	234.2.156.202.starhub.net.sg
202.156.2.234	A	cache234.156ce.maxonline.com.sg
202.156.2.236	PTR	236.2.156.202.starhub.net.sg
202.156.2.236	A	utilities.starhub.com
202.156.2.238	A+PTR	cache238.156ce.maxonline.com.sg
202.156.3.4	PTR	4.3.156.202.starhub.net.sg
202.156.3.5	PTR	5.3.156.202.starhub.net.sg
202.156.3.11	PTR	11.3.156.202.starhub.net.sg
202.156.3.12	PTR	12.3.156.202.starhub.net.sg
202.156.3.180	PTR	unknown.maxonline.com.sg
202.156.3.181	PTR	unknown.maxonline.com.sg
202.156.3.181	A	services.ripplevox.com
202.156.3.181	A	ripplevox.com
202.156.3.184	PTR	184.3.156.202.starhub.net.sg
202.156.3.188	PTR	unknown.maxonline.com.sg
202.156.3.189	PTR	189.3.156.202.starhub.net.sg
202.156.3.189	A	mxcm2.maxonline.com.sg
202.156.3.189	A	imail.maxonline.com.sg