Robtex

Up: 188.121.40.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 188.121.40.0/24
Down right: 188.121.41.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
188.121.40.115	A+PTR	n1nlgriddb50021-01.shr.prod.ams1.secureserver.net
188.121.40.131	A+PTR	n1nlgriddb50025-02.shr.prod.ams1.secureserver.net
188.121.40.168	A	n1nlgriddb50039-02.shr.prod.ams1.secureserver.net
188.121.40.184	A+PTR	n1nlgriddb50046-03.shr.prod.ams1.secureserver.net
188.121.41.1	A+PTR	n1nlhg001.shr.prod.ams1.secureserver.net
188.121.41.2	PTR	n1nlhg002.shr.prod.ams1.secureserver.net
188.121.41.5	PTR	n1nlhg005.shr.prod.ams1.secureserver.net
188.121.41.8	A+PTR	n1nlhg008.shr.prod.ams1.secureserver.net
188.121.41.9	A+PTR	n1nlhg009.shr.prod.ams1.secureserver.net
188.121.41.12	A+PTR	n1nlhg012.shr.prod.ams1.secureserver.net
188.121.41.14	A+PTR	n1nlhg014.shr.prod.ams1.secureserver.net
188.121.41.19	A	n1nlhg019.shr.prod.ams1.secureserver.net
188.121.41.24	A	n1nlhg024.shr.prod.ams1.secureserver.net
188.121.41.43	A+PTR	n1nlhg038.shr.prod.ams1.secureserver.net
188.121.41.44	A+PTR	n1nlhg039.shr.prod.ams1.secureserver.net
188.121.41.46	A+PTR	n1nlhg041.shr.prod.ams1.secureserver.net
188.121.41.50	PTR	n1nw8shg126.shr.prod.ams1.secureserver.net
188.121.41.50	A	aztecumbrellasystems.com
188.121.41.51	PTR	n1nw8shg127.shr.prod.ams1.secureserver.net
188.121.41.51	A	makeupbyxanthe.com
188.121.41.51	A	exeterscaffolding.com
188.121.41.53	PTR	n1nw8shg125.shr.prod.ams1.secureserver.net
188.121.41.53	A	adnryapi.com
188.121.41.53	A	hatfieldlocksmiths.com
188.121.41.54	PTR	n1nw8shg128.shr.prod.ams1.secureserver.net
188.121.41.54	A	maria-online-vip.com
188.121.41.54	A	firstclassboxing.com
188.121.41.59	A+PTR	n1nlhftpg021.shr.prod.ams1.secureserver.net
188.121.41.59	A	varnalodge.com
188.121.41.64	A+PTR	n1nlhg066.shr.prod.ams1.secureserver.net
188.121.41.71	A+PTR	n1nlhg072.shr.prod.ams1.secureserver.net
188.121.41.73	A+PTR	n1nlhg082.shr.prod.ams1.secureserver.net
188.121.41.86	A	n1nlhg098.shr.prod.ams1.secureserver.net
188.121.41.90	A+PTR	n1nlhg096.shr.prod.ams1.secureserver.net
188.121.41.96	A+PTR	n1nlhftpg023.shr.prod.ams1.secureserver.net
188.121.41.100	A	flnc-uni.org
188.121.41.115	PTR	ip-188-121-41-115.ip.secureserver.net
188.121.41.115	A	priya-yoga.com
188.121.41.115	A	thinkcreativeindia.com
188.121.41.116	PTR	n1nw8shg116.shr.prod.ams1.secureserver.net
188.121.41.116	A	parquenacionalsierradeguadarrama.com
188.121.41.116	A	sandiegolesbian.com
188.121.41.117	PTR	n1nw8shg117.shr.prod.ams1.secureserver.net
188.121.41.118	PTR	n1nw8shg118.shr.prod.ams1.secureserver.net
188.121.41.118	A	restaurantesemcuritiba.com
188.121.41.118	A	gambinomaurizio.com
188.121.41.119	PTR	ip-188-121-41-119.ip.secureserver.net
188.121.41.120	A+PTR	n1nlhg104.shr.prod.ams1.secureserver.net
188.121.41.123	A+PTR	n1nlhg108.shr.prod.ams1.secureserver.net
188.121.41.133	PTR	n1nlhg050.shr.prod.ams1.secureserver.net
188.121.41.137	PTR	n1nw8shg121.shr.prod.ams1.secureserver.net
188.121.41.137	A	lookinvideo.co.uk
188.121.41.137	A	forumi.org.mk
188.121.41.138	PTR	n1nw8shg122.shr.prod.ams1.secureserver.net
188.121.41.138	A	lighter-story.com
188.121.41.138	A	onlinesport1.com
188.121.41.139	PTR	n1nw8shg123.shr.prod.ams1.secureserver.net
188.121.41.145	PTR	n1nlhg060.shr.prod.ams1.secureserver.net
188.121.41.154	A+PTR	n1nlhg125.shr.prod.ams1.secureserver.net
188.121.41.156	A+PTR	n1nlhg126.shr.prod.ams1.secureserver.net
188.121.41.161	A+PTR	n1nlhg117.shr.prod.ams1.secureserver.net
188.121.41.173	A	n1nlhg138.shr.prod.ams1.secureserver.net
188.121.41.177	A	n1nlhg131.shr.prod.ams1.secureserver.net
188.121.41.178	A+PTR	n1nlhg132.shr.prod.ams1.secureserver.net
188.121.41.183	A	n1nlhg048.shr.prod.ams1.secureserver.net