Robtex

Up: 68.142.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 68.142.84.0/23
Down right: 68.142.86.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
68.142.84.83	PTR	sc2.lon.llnw.net
68.142.84.84	A+PTR	sc3.lon.llnw.net
68.142.84.85	A+PTR	sc4.lon.llnw.net
68.142.84.97	A+PTR	ve11.fr3.lon.llnw.net
68.142.84.163	A+PTR	ve12.flb1.lon.llnw.net
68.142.84.164	A	ve12.flb2.lon.llnw.net
68.142.84.167	PTR	cds606.lon.llnw.net
68.142.84.172	PTR	old-cds2.lon.llnw.net
68.142.84.178	A	old-cds8.lon.llnw.net
68.142.84.183	A+PTR	old-cds13.lon.llnw.net
68.142.84.185	PTR	old-cds15.lon.llnw.net
68.142.84.188	A+PTR	old-cds18.lon.llnw.net
68.142.84.194	A+PTR	pt.fr3.lon.llnw.net
68.142.84.197	A	tge1-8.fr3.lon2.llnw.net
68.142.84.198	PTR	virginmedia.10ge5-3.swf1.lon2.llnw.net
68.142.84.201	PTR	tge7-8.fr4.lon.llnw.net
68.142.84.202	PTR	bbc.tge9-2.fr4.lon.llnw.net
68.142.84.205	PTR	tge8-1.fr3.lon2.llnw.net
68.142.84.206	PTR	bbc.tge8-1.fr3.lon2.llnw.net
68.142.84.226	A+PTR	fr3.lon.llnw.net
68.142.84.229	A	ge3-1.fr3.lon.llnw.net
68.142.84.230	PTR	ag1-6-1.ar1.lon.llnw.net
68.142.85.224	A+PTR	daily-logs.phx7.llnw.net
68.142.86.8	A+PTR	llp-05.phx2.llnw.net
68.142.86.12	A+PTR	llp-09.phx2.llnw.net
68.142.86.12	A	wetbreastschallenge.com
68.142.86.27	A+PTR	llp-24.phx2.llnw.net
68.142.86.31	A	llp-28.phx2.llnw.net
68.142.86.50	A+PTR	llp-33.phx2.llnw.net
68.142.86.144	A+PTR	opscenter01-e0.phx7.llnw.net
68.142.86.144	A	kiptronic.com
68.142.86.153	A+PTR	assembly.phx7.llnw.net
68.142.86.153	A	cdn-policy.kiptronic.com
68.142.86.153	A	assembly.kiptronic.com
68.142.86.194	A+PTR	vl17.dr01.phx7.llnw.net
68.142.86.217	PTR	edgeinfo-2.phx2.llnw.net
68.142.86.217	A	edgeinfo-ha.phx2.lldns.net
68.142.87.9	A+PTR	ve14.fr3.lon.llnw.net
68.142.87.9	A	ve11.fr3.lon.llnw.net
68.142.87.10	A	dns206.lon.llnw.net
68.142.87.10	A	scds55.lon.llnw.net
68.142.87.11	PTR	scds56.lon.llnw.net
68.142.87.65	PTR	ge3-10.fr3.lon.llnw.net
68.142.87.73	A+PTR	ve11.fr3.lon.llnw.net
68.142.87.74	PTR	dns201.lon.llnw.net
68.142.87.75	A	dns202.lon.llnw.net
68.142.87.76	PTR	dns203.lon.llnw.net
68.142.87.77	PTR	dns204.lon.llnw.net
68.142.87.93	A+PTR	ve103.fr3.lon.llnw.net
68.142.87.98	A+PTR	ve51.flb1.lon.llnw.net
68.142.87.103	PTR	waa3.lon.llnw.net
68.142.87.104	PTR	sc16.lon.llnw.net
68.142.87.109	PTR	sc22.lon.llnw.net
68.142.87.110	PTR	cds310.lon.llnw.net
68.142.87.129	PTR	ve104.fr3.lon.llnw.net
68.142.87.198	PTR	fcds93.lon.llnw.net
68.142.87.205	A	fcds91.lon.llnw.net