Robtex

Up: 180.131.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 180.131.248.0/22
Down right: 180.131.252.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
180.131.248.80	A+PTR	oki-180-131-248-80.jptransit.net
180.131.248.177	A+PTR	oki-180-131-248-177.jptransit.net
180.131.249.127	A+PTR	oki-180-131-249-127.jptransit.net
180.131.249.127	A	sihowhe.twjfiybwpqlc.hath.network
180.131.249.127	A	lqkmdcd.twjfiybwpqlc.hath.network
180.131.249.128	A+PTR	oki-180-131-249-128.jptransit.net
180.131.249.143	PTR	oki-180-131-249-143.jptransit.net
180.131.250.46	A	oki-180-131-250-46.jptransit.net
180.131.250.125	A	oki-180-131-250-125.jptransit.net
180.131.252.6	A+PTR	oki-180-131-252-6.jptransit.net
180.131.253.51	A+PTR	oki-180-131-253-51.jptransit.net
180.131.253.51	A	thefightinghellfish.net
180.131.253.51	A	phicognitron.net
180.131.253.83	A	oki-180-131-253-83.jptransit.net
180.131.253.90	A+PTR	oki-180-131-253-90.jptransit.net
180.131.253.114	A	oki-180-131-253-114.jptransit.net
180.131.253.134	A	oki-180-131-253-134.jptransit.net
180.131.253.202	A+PTR	oki-180-131-253-202.jptransit.net
180.131.253.218	A	sp3.atcc-gns.net
180.131.254.19	A+PTR	oki-180-131-254-19.jptransit.net
180.131.254.64	A+PTR	oki-180-131-254-64.jptransit.net
180.131.254.65	A+PTR	oki-180-131-254-65.jptransit.net
180.131.254.107	A+PTR	oki-180-131-254-107.jptransit.net
180.131.254.123	A	oki-180-131-254-123.jptransit.net
180.131.254.238	A+PTR	oki-180-131-254-238.jptransit.net
180.131.254.254	A+PTR	oki-180-131-254-254.jptransit.net
180.131.255.190	A+PTR	oki-180-131-255-190.jptransit.net
180.131.255.236	A+PTR	oki-180-131-255-236.jptransit.net