Robtex

Up: 119.63.128.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 119.63.132.0/23
Down right: 119.63.134.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
119.63.132.20	PTR	tw132-static20.tw1.com
119.63.132.21	PTR	tw132-static21.tw1.com
119.63.132.74	PTR	tw132-static74.tw1.com
119.63.132.86	PTR	tw132-static86.tw1.com
119.63.132.90	PTR	tw132-static90.tw1.com
119.63.132.103	PTR	tw132-static103.tw1.com
119.63.132.103	A	weboc.gov.pk
119.63.132.113	A	pca.i.fbr.gov.pk
119.63.132.116	A	khi.fbrmail.com
119.63.132.120	A	onecustom.pral.com.pk
119.63.132.126	PTR	tw132-static126.tw1.com
119.63.132.126	A	mail.weboc.gov.pk
119.63.132.219	PTR	ptr11.lnh.edu.pk
119.63.132.219	A	mail.lnh.edu.pk
119.63.132.255	PTR	tw132-static255.tw1.com
119.63.133.86	PTR	tw133-static86.tw1.com
119.63.133.162	A+PTR	webmail.systemsltd.com
119.63.133.168	PTR	mxhost8.systemsltd.com
119.63.133.169	PTR	mxhost9.systemsltd.com
119.63.133.169	A	visionet.mobi
119.63.133.176	A	mxhost16.systemsltd.com
119.63.133.176	A	mx-lhr-e1t.systemsltd.com
119.63.133.182	A	mx-lhr-e2t.systemsltd.com
119.63.133.185	A	mail.systemsltd.com
119.63.133.232	A+PTR	webmail.systemsltd.com
119.63.133.235	A	mx-khi-e2t.systemsltd.com
119.63.133.236	A	mx-khi-e1t.systemsltd.com
119.63.133.236	A	khimail.systemsltd.com
119.63.133.250	A+PTR	mx.tav.com.pk
119.63.133.250	A	mx.gulsons.com
119.63.134.94	PTR	tw134-static94.tw1.com
119.63.134.100	PTR	tw134-static100.tw1.com
119.63.134.100	A	mail.jojholdings.com
119.63.134.100	A	wjholdings.com
119.63.134.103	PTR	mail.saifgroup.com
119.63.134.150	PTR	tw134-static150.tw1.com
119.63.134.150	A	mail.falconassociate.com
119.63.134.150	A	falconassociate.com
119.63.134.158	PTR	mail.saifgroup.com
119.63.135.20	PTR	tw135-static20.tw1.com
119.63.135.21	PTR	tw135-static21.tw1.com
119.63.135.24	PTR	tw135-static24.tw1.com
119.63.135.26	PTR	tw135-static26.tw1.com
119.63.135.34	PTR	tw135-static34.tw1.com
119.63.135.40	PTR	tw135-static40.tw1.com
119.63.135.43	PTR	tw135-static43.tw1.com
119.63.135.47	PTR	tw135-static47.tw1.com
119.63.135.54	PTR	tw135-static54.tw1.com
119.63.135.59	PTR	tw135-static59.tw1.com
119.63.135.61	PTR	tw135-static61.tw1.com
119.63.135.63	PTR	tw135-static63.tw1.com
119.63.135.69	PTR	tw135-static69.tw1.com
119.63.135.73	PTR	tw135-static73.tw1.com
119.63.135.83	PTR	tw135-static83.tw1.com
119.63.135.83	A	nsmx01.envirtuallab.com
119.63.135.88	PTR	tw135-static88.tw1.com
119.63.135.90	PTR	tw135-static90.tw1.com
119.63.135.94	PTR	tw135-static94.tw1.com
119.63.135.105	PTR	tw135-static105.tw1.com
119.63.135.112	PTR	tw135-static112.tw1.com
119.63.135.118	PTR	tw135-static118.tw1.com
119.63.135.120	PTR	tw135-static120.tw1.com
119.63.135.126	PTR	tw135-static126.tw1.com
119.63.135.141	PTR	tw135-static141.tw1.com
119.63.135.145	PTR	tw135-static145.tw1.com
119.63.135.153	PTR	tw135-static153.tw1.com
119.63.135.162	PTR	tw135-static162.tw1.com
119.63.135.164	PTR	tw135-static164.tw1.com
119.63.135.168	PTR	tw135-static168.tw1.com
119.63.135.172	PTR	tw135-static172.tw1.com
119.63.135.174	PTR	tw135-static174.tw1.com
119.63.135.178	PTR	tw135-static178.tw1.com
119.63.135.182	PTR	tw135-static182.tw1.com
119.63.135.185	PTR	tw135-static185.tw1.com
119.63.135.188	PTR	tw135-static188.tw1.com
119.63.135.193	PTR	tw135-static193.tw1.com
119.63.135.215	PTR	tw135-static215.tw1.com
119.63.135.217	PTR	tw135-static217.tw1.com
119.63.135.224	PTR	tw135-static224.tw1.com
119.63.135.229	PTR	tw135-static229.tw1.com
119.63.135.230	PTR	tw135-static230.tw1.com