Robtex

Up: 121.54.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 121.54.0.0/18
Down right: 121.54.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
121.54.0.48	A	unli.smart.com.ph
121.54.0.74	A	node1.roamer.smart.com.ph
121.54.0.74	A	roamer.smart.com.ph
121.54.0.84	A+PTR	px1.smartbro.net
121.54.0.174	A	stage.admin.mastercardmobile.com
121.54.0.201	A	mysmart.ph
121.54.0.201	A	mx.mysmart.ph
121.54.0.247	A	charge2phone.com
121.54.1.2	A	acl1-398bts.gw.smartbro.net
121.54.1.3	A	acl1-401bts.gw.smartbro.net
121.54.1.10	A	acl1-380bts.gw.smartbro.net
121.54.1.14	A	acl1-386bts.gw.smartbro.net
121.54.2.2	A	acl1-437bts.gw.smartbro.net
121.54.2.3	A	acl1-439bts.gw.smartbro.net
121.54.2.4	A	acl1-440bts.gw.smartbro.net
121.54.2.11	A	acl1-430bts.gw.smartbro.net
121.54.6.243	PTR	mail.dbtc-cebu.edu.ph
121.54.6.243	PTR	www.dbtc-cebu.edu.ph
121.54.19.22	A	acl1-426bts.gw.smartbro.net
121.54.19.54	A	acl1-427bts.gw.smartbro.net
121.54.19.62	A	acl1-428bts.gw.smartbro.net
121.54.22.186	A	cebu.smart.com.ph
121.54.22.195	PTR	mail-2.carmencopper.com
121.54.22.196	PTR	rtcrmn.carmencopper.com
121.54.22.197	A+PTR	www.carmencopper.com
121.54.29.24	A	af8488.iview.hk
121.54.29.194	A	greenhills.smart.com.ph
121.54.32.3	A	acl1-449bts.gw.smartbro.net
121.54.32.8	A	acl1-462bts.gw.smartbro.net
121.54.32.19	A	acl1-446bts.gw.smartbro.net
121.54.32.50	A	acl1-453bts.gw.smartbro.net
121.54.32.132	A	mail.leiworks-phils.com
121.54.32.194	A	laspinas1.smart.com.ph
121.54.33.131	A	acl1-469bts.gw.smartbro.net
121.54.42.66	A	sctexmail.sctex.ph
121.54.44.171	A	phtraveler.com
121.54.45.59	A	essug1.dvrdydns.com
121.54.54.37	A	kx404.com
121.54.54.130	A	mac000e53ee3bdc.ddns.dvrtw.com.tw
121.54.54.173	A	fsc-test.com
121.54.54.248	A	an4976.iview.hk
121.54.58.244	A	sample.dyndns.org
121.54.64.8	A	acl1-487bts.gw.smartbro.net
121.54.64.9	A	acl1-488bts.gw.smartbro.net
121.54.64.19	A	acl1-480bts.gw.smartbro.net
121.54.65.2	A	acl1-489bts.gw.smartbro.net
121.54.66.6	A	acl1-503bts.gw.smartbro.net
121.54.66.19	A	acl1-494bts.gw.smartbro.net
121.54.66.21	A	acl1-497bts.gw.smartbro.net
121.54.67.78	A	acl1-511bts.gw.smartbro.net
121.54.68.66	A	acl1-529bts.gw.smartbro.net
121.54.68.110	A	acl1-515bts.gw.smartbro.net
121.54.68.114	A	acl1-516bts.gw.smartbro.net
121.54.69.210	PTR	petronas.com.ph
121.54.69.243	A	www.msumain.edu.ph
121.54.70.4	A	acl1-531bts.gw.smartbro.net
121.54.73.122	A	acl1-535bts.gw.smartbro.net
121.54.74.58	A	acl1-543bts.gw.smartbro.net
121.54.74.66	A	acl1-545bts.gw.smartbro.net
121.54.75.2	A	acl1-553bts.gw.smartbro.net
121.54.76.5	A	acl1-561bts.gw.smartbro.net
121.54.76.9	A	acl1-563bts.gw.smartbro.net
121.54.85.34	A+PTR	lifeprxy.insular.com.ph
121.54.85.38	PTR	insular.com.ph
121.54.85.38	PTR	express.insular.com.ph
121.54.85.38	PTR	life.insular.com.ph
121.54.85.39	PTR	mail4.insular.com.ph
121.54.85.202	A	sm.insular.com.ph
121.54.85.203	A+PTR	life.insular.com.ph
121.54.85.203	PTR	mail1.insular.com.ph
121.54.85.203	A	mail4.insular.com.ph
121.54.85.205	A+PTR	lifeprxy.insular.com.ph
121.54.96.2	A	acl1-578bts.gw.smartbro.net
121.54.96.8	A	acl1-583bts.gw.smartbro.net
121.54.96.9	A	acl1-584bts.gw.smartbro.net
121.54.96.11	A	acl1-575bts.gw.smartbro.net
121.54.97.50	A	acl1-587bts.gw.smartbro.net
121.54.98.30	A	acl1-596bts.gw.smartbro.net
121.54.98.86	A	acl1-602bts.gw.smartbro.net
121.54.98.94	A	acl1-604bts.gw.smartbro.net
121.54.99.30	A	acl1-613bts.gw.smartbro.net
121.54.99.62	A	acl1-618bts.gw.smartbro.net
121.54.99.74	A	acl1-620bts.gw.smartbro.net
121.54.100.3	A	acl1-352bts.gw.smartbro.net
121.54.114.2	A	acl1-390bts.gw.smartbro.net
121.54.115.64	A	ns4.tcp-ip6.info
121.54.115.64	A	ns5.tcp-ip6.info
121.54.115.64	A	ns1.tcp-ip6.info
121.54.116.18	A+PTR	npcac.com.ph
121.54.116.18	A	mail.npcac.com.ph
121.54.116.22	A	ns2.prii.com.ph
121.54.116.22	A	mx2.mail2.prii.com.ph