Robtex

Up: 81.24.48.0/20
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Down left: 81.24.48.0/22
Down right: 81.24.52.0/22

IP	Type	Hostname
81.24.48.1	PTR	cl.24.48.fw.apcare.net
81.24.48.3	PTR	ia.24.48.fw.apcare.net
81.24.48.7	A	ip81.24.48.7.dnsreferer.nl
81.24.48.11	PTR	ip81.24.48.11.dnsreferer.nl
81.24.48.12	A	ip81.24.48.12.dnsreferer.nl
81.24.48.13	A	ip81.24.48.13.dnsreferer.nl
81.24.48.32	PTR	ip81.24.48.32.dnsreferer.nl
81.24.48.33	PTR	ip81.24.48.33.dnsreferer.nl
81.24.48.34	PTR	ip81.24.48.34.dnsreferer.nl
81.24.48.50	A	mail.sterf.nu
81.24.48.72	A+PTR	ip81.24.48.72.dnsreferer.nl
81.24.48.104	PTR	ip81.24.48.104.dnsreferer.nl
81.24.48.110	A	ip81.24.48.110.dnsreferer.nl
81.24.48.116	A	ip81.24.48.116.dnsreferer.nl
81.24.48.118	A	ip81.24.48.118.dnsreferer.nl
81.24.48.120	PTR	ip81.24.48.120.dnsreferer.nl
81.24.48.176	A+PTR	ip81.24.48.176.dnsreferer.nl
81.24.48.202	PTR	mail2.dandy.nl
81.24.48.249	A+PTR	ip81.24.48.249.dnsreferer.nl
81.24.49.3	PTR	ia.24.49.fw.apcare.net
81.24.49.34	A+PTR	ip81.24.49.34.dnsreferer.nl
81.24.49.76	A	ip81.24.49.76.dnsreferer.nl
81.24.49.104	PTR	ip81.24.49.104.dnsreferer.nl
81.24.49.107	PTR	ip81.24.49.107.dnsreferer.nl
81.24.49.112	PTR	ip81.24.49.112.dnsreferer.nl
81.24.49.116	A	ip81.24.49.116.dnsreferer.nl
81.24.49.120	PTR	ip81.24.49.120.dnsreferer.nl
81.24.49.140	A	ip81.24.49.140.dnsreferer.nl
81.24.49.159	A	ip81.24.49.159.dnsreferer.nl
81.24.50.3	PTR	ia.24.50.fw.apcare.net
81.24.50.4	PTR	ip81.24.50.4.dnsreferer.nl
81.24.50.11	A+PTR	ip81.24.50.11.dnsreferer.nl
81.24.50.33	PTR	ip81.24.50.33.dnsreferer.nl
81.24.50.35	A+PTR	ip81.24.50.35.dnsreferer.nl
81.24.50.67	PTR	ip81.24.50.67.dnsreferer.nl
81.24.50.104	PTR	ip81.24.50.104.dnsreferer.nl
81.24.50.105	A+PTR	ip81.24.50.105.dnsreferer.nl
81.24.50.106	A+PTR	ip81.24.50.106.dnsreferer.nl
81.24.50.113	PTR	ip81.24.50.113.dnsreferer.nl
81.24.50.114	PTR	ip81.24.50.114.dnsreferer.nl
81.24.50.120	PTR	ip81.24.50.120.dnsreferer.nl
81.24.50.167	A	ip81.24.50.167.dnsreferer.nl
81.24.50.181	A	ip81.24.50.181.dnsreferer.nl
81.24.50.228	A	ip81.24.50.228.dnsreferer.nl
81.24.51.3	PTR	ia.24.51.fw.apcare.net
81.24.51.4	PTR	ip81.24.51.4.dnsreferer.nl
81.24.51.8	A+PTR	ip81.24.51.8.dnsreferer.nl
81.24.51.8	A	mail2.workforcevision.com
81.24.51.33	PTR	ip81.24.51.33.dnsreferer.nl
81.24.51.63	A	ip81.24.51.63.dnsreferer.nl
81.24.51.67	A+PTR	ip81.24.51.67.dnsreferer.nl
81.24.51.76	A	ip81.24.51.76.dnsreferer.nl
81.24.51.90	A+PTR	ip81.24.51.90.dnsreferer.nl
81.24.51.96	A+PTR	ip81.24.51.96.dnsreferer.nl
81.24.51.104	PTR	ip81.24.51.104.dnsreferer.nl
81.24.51.112	PTR	ip81.24.51.112.dnsreferer.nl
81.24.51.120	PTR	ip81.24.51.120.dnsreferer.nl
81.24.51.165	A	ip81.24.51.165.dnsreferer.nl
81.24.51.194	A+PTR	ip81.24.51.194.dnsreferer.nl
81.24.52.3	PTR	ia.24.52.fw.apcare.net
81.24.52.4	PTR	ip81.24.52.4.dnsreferer.nl
81.24.52.11	PTR	ip81.24.52.11.dnsreferer.nl
81.24.52.37	A	ip81.24.52.37.dnsreferer.nl
81.24.52.76	A	ip81.24.52.76.dnsreferer.nl
81.24.52.106	PTR	ip81.24.52.106.dnsreferer.nl
81.24.52.112	PTR	ip81.24.52.112.dnsreferer.nl
81.24.52.114	PTR	ip81.24.52.114.dnsreferer.nl
81.24.52.115	A+PTR	ip81.24.52.115.dnsreferer.nl
81.24.53.3	PTR	ia.24.53.fw.apcare.net
81.24.53.4	PTR	ip81.24.53.4.dnsreferer.nl
81.24.53.11	PTR	ip81.24.53.11.dnsreferer.nl
81.24.53.76	A	ip81.24.53.76.dnsreferer.nl
81.24.53.113	PTR	ip81.24.53.113.dnsreferer.nl
81.24.53.114	PTR	ip81.24.53.114.dnsreferer.nl
81.24.53.116	A	ip81.24.53.116.dnsreferer.nl
81.24.54.3	PTR	ia.24.54.fw.apcare.net
81.24.54.4	PTR	ip81.24.54.4.dnsreferer.nl
81.24.54.11	PTR	ip81.24.54.11.dnsreferer.nl
81.24.54.76	A	ip81.24.54.76.dnsreferer.nl
81.24.54.104	PTR	ip81.24.54.104.dnsreferer.nl
81.24.54.115	PTR	ip81.24.54.115.dnsreferer.nl
81.24.55.32	PTR	ip81.24.55.32.dnsreferer.nl
81.24.55.34	PTR	ip81.24.55.34.dnsreferer.nl
81.24.55.76	A	ip81.24.55.76.dnsreferer.nl
81.24.55.105	PTR	ip81.24.55.105.dnsreferer.nl
81.24.55.109	A	ip81.24.55.109.dnsreferer.nl
81.24.55.113	PTR	ip81.24.55.113.dnsreferer.nl