Robtex

Up: 203.198.20.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 203.198.20.128/26
Down right: 203.198.20.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.198.20.132	A+PTR	tswc9a132.netvigator.com
203.198.20.135	A+PTR	tswc9a135.netvigator.com
203.198.20.159	A+PTR	tswc9a159.netvigator.com
203.198.20.159	A	n4w85.akamai.net
203.198.20.159	A	n5dscv.akamai.net
203.198.20.166	A+PTR	tswc9a166.netvigator.com
203.198.20.166	A	n5e22.akamaiedge.net
203.198.20.166	A	n6dscv.akamai.net
203.198.20.169	PTR	tswc9a169.netvigator.com
203.198.20.184	A+PTR	tswc9a184.netvigator.com
203.198.20.185	A+PTR	tswc9a185.netvigator.com
203.198.20.215	A+PTR	tswc9a215.netvigator.com
203.198.20.233	A+PTR	tswc9a233.netvigator.com