Robtex

Up: 128.106.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 128.106.0.0/18
Down right: 128.106.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
128.106.0.71	PTR	bb128-106-0-71.singnet.com.sg
128.106.0.130	PTR	bb128-106-0-130.singnet.com.sg
128.106.0.131	PTR	bb128-106-0-131.singnet.com.sg
128.106.0.203	PTR	bb128-106-0-203.singnet.com.sg
128.106.0.254	PTR	bb128-106-0-254.singnet.com.sg
128.106.0.254	A	mail.greatsolutions.com.sg
128.106.0.254	A	email.greatsolutions.com.sg
128.106.2.161	PTR	mail.brandedinfo.com
128.106.2.161	A	sellingsimplified.info
128.106.2.194	PTR	bb128-106-2-194.singnet.com.sg
128.106.2.195	A	www2.j-front.com.sg
128.106.3.2	PTR	bb128-106-3-2.singnet.com.sg
128.106.3.8	PTR	bb128-106-3-8.singnet.com.sg
128.106.3.46	A	sts.ocbc.com
128.106.3.52	PTR	bb128-106-3-52.singnet.com.sg
128.106.3.54	A	sip.ocbc.com
128.106.3.171	PTR	bb128-106-3-171.singnet.com.sg
128.106.3.171	A	www.new4u.com.sg
128.106.3.171	A	dc-99d98a1568b8.korea.com.sg
128.106.3.172	PTR	bb128-106-3-172.singnet.com.sg
128.106.3.180	PTR	bb128-106-3-180.singnet.com.sg
128.106.4.51	PTR	bb128-106-4-51.singnet.com.sg
128.106.4.79	PTR	bb128-106-4-79.singnet.com.sg
128.106.4.130	PTR	bb128-106-4-130.singnet.com.sg
128.106.4.174	PTR	bb128-106-4-174.singnet.com.sg
128.106.4.175	PTR	bb128-106-4-175.singnet.com.sg
128.106.4.219	PTR	bb128-106-4-219.singnet.com.sg
128.106.5.5	PTR	bb128-106-5-5.singnet.com.sg
128.106.5.11	PTR	bb128-106-5-11.singnet.com.sg
128.106.5.36	PTR	bb128-106-5-36.singnet.com.sg
128.106.5.37	PTR	bb128-106-5-37.singnet.com.sg
128.106.5.198	PTR	bb128-106-5-198.singnet.com.sg
128.106.5.198	A	lms.pilship.com
128.106.5.205	PTR	bb128-106-5-205.singnet.com.sg
128.106.5.205	A	ns3.pilship.com
128.106.5.213	PTR	bb128-106-5-213.singnet.com.sg
128.106.5.215	PTR	bb128-106-5-215.singnet.com.sg
128.106.5.242	A	equest.com.sg
128.106.5.242	A	www.equest.com.sg
128.106.6.29	PTR	bb128-106-6-29.singnet.com.sg
128.106.6.33	PTR	bb128-106-6-33.singnet.com.sg
128.106.6.64	PTR	bb128-106-6-64.singnet.com.sg
128.106.6.142	PTR	bb128-106-6-142.singnet.com.sg
128.106.6.142	A	ecomm.one-line.com
128.106.6.147	PTR	bb128-106-6-147.singnet.com.sg
128.106.6.162	PTR	bb128-106-6-162.singnet.com.sg
128.106.6.178	PTR	bb128-106-6-178.singnet.com.sg
128.106.7.71	PTR	bb128-106-7-71.singnet.com.sg
128.106.7.177	PTR	bb128-106-7-177.singnet.com.sg
128.106.7.203	PTR	bb128-106-7-203.singnet.com.sg
128.106.7.211	PTR	bb128-106-7-211.singnet.com.sg
128.106.7.222	PTR	bb128-106-7-222.singnet.com.sg
128.106.10.67	PTR	bb128-106-10-67.singnet.com.sg
128.106.10.71	PTR	bb128-106-10-71.singnet.com.sg
128.106.10.73	A	vpn.lendlease.com
128.106.10.82	PTR	bb128-106-10-82.singnet.com.sg
128.106.10.152	A	murex.com.sg
128.106.10.165	A+PTR	mx01.asiapacificex.com
128.106.12.102	PTR	bb128-106-12-102.singnet.com.sg
128.106.12.211	PTR	bb128-106-12-211.singnet.com.sg
128.106.12.211	A	www.vinfiniti.biz
128.106.12.221	PTR	bb128-106-12-221.singnet.com.sg
128.106.12.221	A	teckwahlogistics.com
128.106.12.221	A	teckwahvaluechain.com
128.106.13.8	PTR	mailap101.whitecase.com
128.106.14.225	PTR	bb128-106-14-225.singnet.com.sg
128.106.15.2	PTR	bb128-106-15-2.singnet.com.sg
128.106.15.129	PTR	bb128-106-15-129.singnet.com.sg
128.106.15.129	A	futurarcforum.com
128.106.15.135	PTR	bb128-106-15-135.singnet.com.sg
128.106.15.135	A	bciasiatop10awards.com
128.106.15.137	PTR	bb128-106-15-137.singnet.com.sg
128.106.15.137	A	greeningasiabook.com
128.106.15.139	PTR	bb128-106-15-139.singnet.com.sg
128.106.15.139	A	services.bciasia.com
128.106.19.22	PTR	bb128-106-19-22.singnet.com.sg
128.106.19.97	PTR	bb128-106-19-97.singnet.com.sg
128.106.19.144	PTR	bb128-106-19-144.singnet.com.sg
128.106.19.172	PTR	bb128-106-19-172.singnet.com.sg
128.106.19.235	PTR	bb128-106-19-235.singnet.com.sg
128.106.19.235	A	mail.portek.net
128.106.21.194	A+PTR	mail4.cwtlimited.com
128.106.21.196	A+PTR	mail2.cwtlimited.com
128.106.21.196	A	mail.cwtlimited.com
128.106.21.197	A	ns3.cwtlimited.com
128.106.25.56	A	www.rubicon-offshore.com
128.106.25.66	PTR	bb128-106-25-66.singnet.com.sg
128.106.25.162	PTR	bb128-106-25-162.singnet.com.sg
128.106.25.162	A	wifi-analytics.singnet.com.sg
128.106.25.163	PTR	bb128-106-25-163.singnet.com.sg
128.106.25.163	A	wifi-analytics.singnet.com.sg
128.106.25.166	PTR	bb128-106-25-166.singnet.com.sg
128.106.25.166	A	mqtt.wifi-analytics.singnet.com.sg
128.106.25.167	PTR	bb128-106-25-167.singnet.com.sg
128.106.25.167	A	mqtt.wifi-analytics.singnet.com.sg
128.106.26.82	PTR	bb128-106-26-82.singnet.com.sg
128.106.30.194	PTR	bb128-106-30-194.singnet.com.sg
128.106.39.222	PTR	bb128-106-39-222.singnet.com.sg
128.106.39.222	A	demetics-medical.com
128.106.64.62	PTR	bb128-106-64-62.singnet.com.sg
128.106.65.50	PTR	mail.dis-aircon.com.sg
128.106.65.50	A	mail.dlsbatamac.com
128.106.65.50	A	ns1.dlsbatamac.com
128.106.66.94	PTR	bb128-106-66-94.singnet.com.sg
128.106.67.54	PTR	bb128-106-67-54.singnet.com.sg
128.106.67.54	A	bgc.cloud
128.106.72.149	PTR	bb128-106-72-149.singnet.com.sg
128.106.81.106	PTR	bb128-106-81-106.singnet.com.sg
128.106.88.4	PTR	bb128-106-88-4.singnet.com.sg
128.106.88.55	PTR	bb128-106-88-55.singnet.com.sg
128.106.88.108	PTR	bb128-106-88-108.singnet.com.sg
128.106.88.163	PTR	bb128-106-88-163.singnet.com.sg
128.106.88.176	PTR	bb128-106-88-176.singnet.com.sg
128.106.88.189	PTR	bb128-106-88-189.singnet.com.sg
128.106.88.201	PTR	bb128-106-88-201.singnet.com.sg
128.106.90.115	PTR	bb128-106-90-115.singnet.com.sg
128.106.94.48	PTR	bb128-106-94-48.singnet.com.sg
128.106.100.234	A	vpn.servebbs.org
128.106.101.162	PTR	bb128-106-101-162.singnet.com.sg
128.106.101.162	A	seagroup.csf.rocks
128.106.101.162	A	mail.csf.rocks
128.106.122.50	PTR	bb128-106-122-50.singnet.com.sg
128.106.122.50	A	msg-global-asia.com