| 63.0.0.0/8 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 63.224.0.0/12 | BGP route | AS209 CenturyLink Communications, LLC | — |
| 63.236.0.0/14 | WHOIS (ARIN) | CenturyLink Communications, LLC | US |
| 63.236.0.0/14 | ARIN assigned | — | US |
| 63.239.72.0/21 | WHOIS (ARIN) | SMITH BAGLEY INC | US |
| 63.236.240.0/22 | BGP route | AS19031 CU*Answers, Inc. | — |
| 63.237.204.0/22 | WHOIS (ARIN) | ACTIVE TOUCH | US |
| 63.238.128.0/22 | BGP route | AS55044 LR Communications, Inc. | — |
| 63.238.128.0/22 | WHOIS (ARIN) | LR Communications, Inc. | US |
| 63.236.76.0/23 | BGP route | AS53316 CHEETAHMAIL | — |
| 63.236.76.0/23 | WHOIS (ARIN) | CHEETAHMAIL | US |
| 63.236.124.0/23 | WHOIS (ARIN) | Fresh Beginnings, Inc. | US |
| 63.236.254.0/23 | WHOIS (ARIN) | First Communications LLC | US |
| 63.237.30.0/23 | WHOIS (ARIN) | Internet Link Professional | US |
| 63.238.80.0/23 | WHOIS (ARIN) | ACCESS POINT | US |
| 63.238.104.0/23 | BGP route | AS13994 Owensboro Municipal Utilities | — |
| 63.238.104.0/23 | WHOIS (ARIN) | CKY Owensboro Municiple | — |
| 63.238.154.0/23 | BGP route | AS53282 Skywave Wireless, Inc. | — |
| 63.238.154.0/23 | WHOIS (ARIN) | Skywave Wireless, Inc. | US |
| 63.238.156.0/23 | BGP route | AS47095 Murray Electric System | — |
| 63.238.156.0/23 | WHOIS (ARIN) | Murray Electric System | US |
| 63.238.208.0/23 | WHOIS (ARIN) | COMMUNICATION CONSTRUCTION | US |
| 63.238.236.0/23 | BGP route | AS3356 Level 3 Parent, LLC | — |
| 63.238.236.0/23 | WHOIS (ARIN) | YELLOWSTONE MEDIA DESIGN | US |
| 63.238.244.0/23 | WHOIS (ARIN) | Lockport Township HS | US |
| 63.238.252.0/23 | BGP route | AS22200 Bloomingdale Communications Inc. | — |
| 63.238.252.0/23 | WHOIS (ARIN) | Bloomingdale Communications Inc | US |
| 63.239.94.0/23 | WHOIS (ARIN) | HYATT CORPORATION | US |
| 63.239.98.0/23 | WHOIS (ARIN) | Golden Communications LLC | US |
| 63.239.116.0/23 | BGP route | AS3257 GTT Communications Inc. | — |
| 63.239.204.0/23 | WHOIS (ARIN) | CHEETAHMAIL | US |
| 63.239.234.0/23 | WHOIS (ARIN) | MOXIE SOFTWARE INC | US |
| 63.236.18.0/24 | WHOIS (ARIN) | Warner Bros. - Turbine, Inc. | US |
| 63.236.19.0/24 | WHOIS (ARIN) | Qwest Hosting - Interop | US |
| 63.236.20.0/24 | WHOIS (ARIN) | BCBG Max Azria Group, LLC | US |
| 63.236.51.0/24 | BGP route | AS54450 MBLOX INC. | — |
| 63.236.51.0/24 | WHOIS (ARIN) | MBLOX INC. | US |
| 63.236.68.0/24 | BGP route | AS3847 ENV | — |
| 63.236.68.0/24 | WHOIS (ARIN) | ENV | US |
| 63.236.90.0/24 | WHOIS (ARIN) | InvestCloud, Inc. | US |
| 63.236.100.0/24 | BGP route | AS21622 PR Newswire | — |
| 63.236.100.0/24 | WHOIS (ARIN) | VOCUS INC | US |
| 63.236.115.0/24 | WHOIS (ARIN) | Glenn Meath | US |
| 63.236.137.0/24 | WHOIS (ARIN) | Fast Forward Networks | US |
| 63.236.138.0/24 | BGP route | AS16740 DOXX.NET CORPORATION | — |
| 63.236.138.0/24 | WHOIS (ARIN) | Hot Networking | US |
| 63.236.144.0/24 | WHOIS (ARIN) | ACCESS ONE, INC | US |
| 63.236.217.0/24 | BGP route | AS394709 HealthEdge Software, Inc. | — |
| 63.236.217.0/24 | WHOIS (ARIN) | HEALTHEDGE SOFTWARE | US |
| 63.236.219.0/24 | WHOIS (ARIN) | MAITLAND OFFICE DS3 | US |
| 63.236.231.0/24 | BGP route | AS3356 Level 3 Parent, LLC | — |
| 63.236.231.0/24 | WHOIS (ARIN) | NORTHPOINTE BANK | US |
| 63.236.232.0/24 | WHOIS (ARIN) | SMART CITY NETWORKS, LIMITED PARTNERSHIP | US |
| 63.236.233.0/24 | WHOIS (ARIN) | CaseCentral, Inc. | US |
| 63.236.234.0/24 | BGP route | AS27624 ELCA | — |
| 63.236.234.0/24 | WHOIS (ARIN) | ELCA | US |
| 63.236.235.0/24 | WHOIS (ARIN) | Qwest Communications Company, LLC | US |
| 63.236.238.0/24 | WHOIS (ARIN) | GENERAL MOTORS R*WORKS | US |
| 63.236.248.0/24 | WHOIS (ARIN) | BLOOMBERG L P | US |
| 63.237.0.0/24 | WHOIS (ARIN) | Qwest Communications | US |
| 63.237.3.0/24 | BGP route | AS22992 SecureWorks Corp | — |
| 63.237.4.0/24 | WHOIS (ARIN) | Qwest Communications Company, LLC | US |
| 63.237.6.0/24 | WHOIS (ARIN) | Qwest Communications Company, LLC | US |
| 63.237.14.0/24 | WHOIS (ARIN) | CLARAS TECHNOLOGIES | US |
| 63.237.17.0/24 | WHOIS (ARIN) | COMPASS GROUP | US |
| 63.237.27.0/24 | WHOIS (ARIN) | Qwest Communications Company, LLC | US |
| 63.237.37.0/24 | WHOIS (ARIN) | ULYSSES TELEMEDIA NETWORKS | US |
| 63.237.42.0/24 | WHOIS (ARIN) | Qwest Communications | US |
| 63.237.43.0/24 | BGP route | AS31890 Rocket Limited Partnership | — |
| 63.237.48.0/24 | WHOIS (ARIN) | IO INC | US |
| 63.237.77.0/24 | BGP route | AS22473 Salt Lake City Corporation | — |
| 63.237.88.0/24 | BGP route | AS396989 LookingGlass Cyber Solutions Inc. | — |
| 63.237.93.0/24 | BGP route | AS3356 Level 3 Parent, LLC | — |
| 63.237.136.0/24 | BGP route | AS11223 | — |
| 63.238.47.0/24 | BGP route | AS394757 Parsons Corporation | — |
| 63.238.55.0/24 | BGP route | AS32040 Trenton Telephone Company | — |
| 63.238.72.0/24 | BGP route | AS397288 McNaughton-McKay Electric Company | — |
| 63.238.73.0/24 | BGP route | AS397288 McNaughton-McKay Electric Company | — |
| 63.238.74.0/24 | BGP route | AS397288 McNaughton-McKay Electric Company | — |
| 63.238.75.0/24 | BGP route | AS397288 McNaughton-McKay Electric Company | — |
| 63.238.86.0/24 | BGP route | AS3356 Level 3 Parent, LLC | — |
| 63.238.104.0/24 | BGP route | AS13994 Owensboro Municipal Utilities | — |
| 63.238.105.0/24 | BGP route | AS13994 Owensboro Municipal Utilities | — |
| 63.238.106.0/24 | BGP route | AS13994 Owensboro Municipal Utilities | — |
| 63.238.109.0/24 | BGP route | AS13781 Hopkinsville Electric System | — |
| 63.238.110.0/24 | BGP route | AS13781 Hopkinsville Electric System | — |
| 63.238.120.0/24 | BGP route | AS397486 City of Commerce City | — |
| 63.238.122.0/24 | BGP route | AS17143 Winn Telecom | — |
| 63.238.128.0/24 | BGP route | AS55044 LR Communications, Inc. | — |
| 63.238.129.0/24 | BGP route | AS55044 LR Communications, Inc. | — |
| 63.238.130.0/24 | BGP route | AS55044 LR Communications, Inc. | — |
| 63.238.131.0/24 | BGP route | AS55044 LR Communications, Inc. | — |
| 63.238.139.0/24 | BGP route | AS13314 Toyota Motor Engineering and Manufacturing North America, Inc. | — |
| 63.238.191.0/24 | BGP route | AS18914 ETS TELECOM | — |
| 63.239.17.0/24 | BGP route | AS13626 Walgreens Co | — |
| 63.239.29.0/24 | BGP route | AS209 CenturyLink Communications, LLC | — |
| 63.239.86.0/24 | BGP route | AS22992 SecureWorks Corp | — |
| 63.239.90.0/24 | BGP route | AS396908 Laurens Technologies Internet Services | — |
| 63.239.91.0/24 | BGP route | AS53272 SAIC | — |
| 63.239.100.0/24 | BGP route | AS19031 CU*Answers, Inc. | — |
| 63.239.135.0/24 | BGP route | AS10886 University of Maryland | — |