Robtex

Up: 63.27.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 63.27.0.0/22
Down right: 63.27.4.0/22

IP	Type	Hostname
63.27.4.238	A+PTR	tmtrflaas-ias0-onevzwebsocket-tpa.verizonwireless.com
63.27.6.2	PTR	smtpout2-tpa.verizon.com
63.27.6.2	A	1cust1538.an1.dca16.da.uu.net
63.27.6.4	A	smtpout4-tpa.verizon.com
63.27.6.12	A	1cust1548.an1.dca16.da.uu.net
63.27.6.14	A	1cust1550.an1.dca16.da.uu.net
63.27.6.15	A	1cust1551.an1.dca16.da.uu.net
63.27.6.20	A	1cust1556.an1.dca16.da.uu.net
63.27.6.24	A+PTR	1cust1560.an1.dca16.da.uu.net
63.27.6.29	A	1cust1565.an1.dca16.da.uu.net
63.27.6.32	A+PTR	1cust1568.an1.dca16.da.uu.net
63.27.6.36	A	1cust1572.an1.dca16.da.uu.net
63.27.6.38	A	1cust1574.an1.dca16.da.uu.net
63.27.6.40	A+PTR	1cust1576.an1.dca16.da.uu.net
63.27.6.41	A+PTR	1cust1577.an1.dca16.da.uu.net
63.27.6.43	A+PTR	1cust1579.an1.dca16.da.uu.net
63.27.6.49	A+PTR	1cust1585.an1.dca16.da.uu.net
63.27.6.56	A+PTR	1cust1592.an1.dca16.da.uu.net
63.27.6.58	A+PTR	1cust1594.an1.dca16.da.uu.net
63.27.6.61	A	1cust1597.an1.dca16.da.uu.net
63.27.6.75	A+PTR	1cust1611.an1.dca16.da.uu.net
63.27.6.77	A	1cust1613.an1.dca16.da.uu.net
63.27.6.79	A	1cust1615.an1.dca16.da.uu.net
63.27.6.80	A+PTR	1cust1616.an1.dca16.da.uu.net
63.27.6.81	A+PTR	1cust1617.an1.dca16.da.uu.net
63.27.6.85	A	1cust1621.an1.dca16.da.uu.net
63.27.6.98	A+PTR	1cust1634.an1.dca16.da.uu.net
63.27.6.104	A+PTR	1cust1640.an1.dca16.da.uu.net
63.27.6.108	A	1cust1644.an1.dca16.da.uu.net
63.27.6.110	A	1cust1646.an1.dca16.da.uu.net
63.27.6.111	A	1cust1647.an1.dca16.da.uu.net
63.27.6.112	A+PTR	1cust1648.an1.dca16.da.uu.net
63.27.6.113	A+PTR	1cust1649.an1.dca16.da.uu.net
63.27.6.141	A	1cust1677.an1.dca16.da.uu.net
63.27.6.143	A	1cust1679.an1.dca16.da.uu.net
63.27.6.147	A+PTR	1cust1683.an1.dca16.da.uu.net
63.27.6.148	A	1cust1684.an1.dca16.da.uu.net
63.27.6.162	A+PTR	1cust1698.an1.dca16.da.uu.net
63.27.6.166	A	1cust1702.an1.dca16.da.uu.net
63.27.6.169	A+PTR	1cust1705.an1.dca16.da.uu.net
63.27.6.172	A	1cust1708.an1.dca16.da.uu.net
63.27.6.174	A	1cust1710.an1.dca16.da.uu.net
63.27.6.176	A+PTR	1cust1712.an1.dca16.da.uu.net
63.27.6.179	A+PTR	1cust1715.an1.dca16.da.uu.net
63.27.6.180	A	1cust1716.an1.dca16.da.uu.net
63.27.6.198	A	1cust1734.an1.dca16.da.uu.net
63.27.6.209	A+PTR	1cust1745.an1.dca16.da.uu.net
63.27.6.213	A	1cust1749.an1.dca16.da.uu.net
63.27.6.216	A+PTR	1cust1752.an1.dca16.da.uu.net
63.27.6.224	A+PTR	1cust1760.an1.dca16.da.uu.net
63.27.6.225	A+PTR	1cust1761.an1.dca16.da.uu.net
63.27.6.226	A+PTR	1cust1762.an1.dca16.da.uu.net
63.27.6.232	A+PTR	1cust1768.an1.dca16.da.uu.net
63.27.6.237	A	1cust1773.an1.dca16.da.uu.net
63.27.6.245	A	1cust1781.an1.dca16.da.uu.net
63.27.6.247	A	1cust1783.an1.dca16.da.uu.net
63.27.6.251	A+PTR	1cust1787.an1.dca16.da.uu.net
63.27.6.252	A	1cust1788.an1.dca16.da.uu.net
63.27.6.254	A	1cust1790.an1.dca16.da.uu.net