| 2001:1890:1c00:dc00:: | 2001:1890:1c00:deff:ffff:ffff:ffff:ffff | AT&T Enterprises, LLC |
| 2001:1890:1c00:df00:: | 2001:1890:1c00:dfff:ffff:ffff:ffff:ffff | CORPORATION SERVICE COMPANY |
| 2001:1890:1c00:e000:: | 2001:1890:1c00:e0ff:ffff:ffff:ffff:ffff | DEPOSITORY TRUST CLEARING CORP |
| 2001:1890:1c00:e100:: | 2001:1890:1c00:e1ff:ffff:ffff:ffff:ffff | USCIS |
| 2001:1890:1c00:e200:: | 2001:1890:1c00:e2ff:ffff:ffff:ffff:ffff | DEPARTMENT OF JUSTICE |
| 2001:1890:1c00:e300:: | 2001:1890:1c00:e3ff:ffff:ffff:ffff:ffff | MAVENIR SYSTEMS, INC. |
| 2001:1890:1c00:e400:: | 2001:1890:1c00:e4ff:ffff:ffff:ffff:ffff | EY GLOBAL SERVICES LIMITED |
| 2001:1890:1c00:e500:: | 2001:1890:1c00:e5ff:ffff:ffff:ffff:ffff | ATTSI, INFO TECHNOLOGYN OPERA |
| 2001:1890:1c00:e600:: | 2001:1890:1c00:e6ff:ffff:ffff:ffff:ffff | CB RICHARD ELLISATTN TANGOE M |
| 2001:1890:1c00:e700:: | 2001:1890:1c00:e7ff:ffff:ffff:ffff:ffff | ATTSI, INFO TECHNOLOGYN OPERA |