Robtex

Up: 192.100.112.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 192.100.112.0/22
Down right: 192.100.116.0/22

IP	Type	Hostname
192.100.112.2	PTR	saec-nokirtr01.nokia.com
192.100.112.52	PTR	saec-nokirtr01.nokia.com
192.100.112.166	A+PTR	sip1.ext.nokia.com
192.100.112.229	A+PTR	saglb01.nokia.com
192.100.112.230	A+PTR	saglb02.nokia.com
192.100.114.29	A	escall15nok.ext.nokia.com
192.100.114.37	A	esepi04nok.ext.nokia.com
192.100.115.1	A	telenordia-gw.nokia.com
192.100.115.2	A	nat-gw.nokia.com
192.100.115.27	A+PTR	wwwgw3-tnx.nokia.com
192.100.115.29	A	wwwgw4-tnx.nokia.com
192.100.116.2	A+PTR	saec-nokirtr01.nokia.com
192.100.116.21	PTR	trade.online.nokia.com
192.100.116.28	PTR	training.trade.online.nokia.com
192.100.116.82	PTR	at.trade.online.nokia.com
192.100.116.87	A	nokiaone.nokia.com
192.100.116.87	A	ptsqa.nokia.com
192.100.116.87	A	pecos.nokia.com
192.100.116.94	PTR	crm.online.nokia.com
192.100.116.100	PTR	uat.trade.online.nokia.com
192.100.116.114	A+PTR	newforum.nokia.com
192.100.116.114	PTR	www.nokia.fi
192.100.116.115	PTR	forum.nokia.com
192.100.116.117	A	newsecure.nokia.com
192.100.116.127	PTR	noltest1cdn.nokia.com
192.100.116.142	A+PTR	saprx01x.nokia.com
192.100.116.143	A+PTR	saprx02x.nokia.com
192.100.116.222	A	sakampa-inetrtr01.nokia.com