Robtex

Up: 138.89.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 138.89.64.0/19
Down right: 138.89.96.0/19

IP	Type	Hostname
138.89.70.123	PTR	pool-138-89-70-123.mad.east.verizon.net
138.89.80.155	A+PTR	pool-138-89-80-155.mad.east.verizon.net
138.89.82.134	A+PTR	pool-138-89-82-134.mad.east.verizon.net
138.89.88.3	A+PTR	pool-138-89-88-3.mad.east.verizon.net
138.89.88.243	A+PTR	pool-138-89-88-243.mad.east.verizon.net
138.89.99.233	A+PTR	pool-138-89-99-233.mad.east.verizon.net
138.89.100.136	A+PTR	pool-138-89-100-136.mad.east.verizon.net
138.89.101.174	A+PTR	pool-138-89-101-174.mad.east.verizon.net
138.89.104.154	A+PTR	pool-138-89-104-154.mad.east.verizon.net
138.89.106.42	A+PTR	pool-138-89-106-42.mad.east.verizon.net
138.89.112.225	A+PTR	pool-138-89-112-225.nwrk.east.verizon.net
138.89.113.38	A	pyrohome.net
138.89.119.20	A+PTR	pool-138-89-119-20.nwrk.east.verizon.net
138.89.123.126	A+PTR	pool-138-89-123-126.nwrk.east.verizon.net
138.89.127.83	A+PTR	pool-138-89-127-83.nwrk.east.verizon.net