| 2001:1890:1d04:2700:: | 2001:1890:1d04:27ff:ffff:ffff:ffff:ffff | USCIS |
| 2001:1890:1d04:2800:: | 2001:1890:1d04:28ff:ffff:ffff:ffff:ffff | SECURITY BENEFIT LIFE |
| 2001:1890:1d04:2900:: | 2001:1890:1d04:29ff:ffff:ffff:ffff:ffff | FEDERAL BUREAU OF INVESTIGATION |
| 2001:1890:1d04:2a00:: | 2001:1890:1d04:2aff:ffff:ffff:ffff:ffff | USCIS |
| 2001:1890:1d04:2b00:: | 2001:1890:1d04:2bff:ffff:ffff:ffff:ffff | METROSWITCH TECHNOLOGIES, INC. |
| 2001:1890:1d04:2c00:: | 2001:1890:1d04:2cff:ffff:ffff:ffff:ffff | U.S. TELEPACIFIC CORP-AMAWATERWA |
| 2001:1890:1d04:2d00:: | 2001:1890:1d04:2dff:ffff:ffff:ffff:ffff | SECURUS TECHNOLOGIES, INC. JACKS |
| 2001:1890:1d04:2e00:: | 2001:1890:1d04:2eff:ffff:ffff:ffff:ffff | AIRESPRING-KPI INTEGRATED SOLUTI |
| 2001:1890:1d04:2f00:: | 2001:1890:1d04:2fff:ffff:ffff:ffff:ffff | WORLD WIDE TECHNOLOGY, INC. |
| 2001:1890:1d04:3000:: | 2001:1890:1d04:ffff:ffff:ffff:ffff:ffff | AT&T Enterprises, LLC |