| 63.0.0.0/8 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 63.64.0.0/10 | WHOIS (ARIN) | Verizon Business | US |
| 63.64.0.0/10 | ARIN assigned | — | US |
| 63.64.0.0/12 | BGP route | AS701 Verizon Business | — |
| 63.66.208.0/20 | WHOIS (ARIN) | UUNET Technologies, Inc. | US |
| 63.70.80.0/20 | BGP route | AS14669 Convergeone Unified Technology Solutions, Inc. | — |
| 63.70.80.0/20 | WHOIS (ARIN) | Convergeone Unified Technology Solutions, Inc. | US |
| 63.75.240.0/20 | BGP route | AS46573 Vault Host | — |
| 63.77.112.0/20 | WHOIS (ARIN) | Aquila BBS Inc. | US |
| 63.77.144.0/20 | WHOIS (ARIN) | Web Society Inc | US |
| 63.78.32.0/20 | WHOIS (ARIN) | Caradigm | US |
| 63.79.240.0/20 | WHOIS (ARIN) | SGN, Inc. | US |
| 63.64.112.0/21 | WHOIS (ARIN) | MSN | US |
| 63.65.32.0/21 | WHOIS (ARIN) | Inter-Media Marketing | US |
| 63.67.224.0/21 | WHOIS (ARIN) | National Telemedia Corp. | US |
| 63.69.16.0/21 | BGP route | AS26938 CompuSOURCE Communications Corp. | — |
| 63.69.16.0/21 | WHOIS (ARIN) | Compusource Engineering Corp. | — |
| 63.69.136.0/21 | WHOIS (ARIN) | AutobyTel/Dealer Sites | US |
| 63.70.32.0/21 | WHOIS (ARIN) | Backbone lab, UUNET | US |
| 63.70.96.0/21 | WHOIS (ARIN) | Worldcom Call Center Network Solutions | US |
| 63.70.120.0/21 | WHOIS (ARIN) | Knox College | US |
| 63.71.8.0/21 | BGP route | AS13380 Zix Corporation | — |
| 63.71.8.0/21 | WHOIS (ARIN) | Zix Corp | US |
| 63.73.16.0/21 | WHOIS (ARIN) | Executive Computer S | US |
| 63.76.248.0/21 | BGP route | AS33616 Co-Mo Comm Inc | — |
| 63.76.248.0/21 | WHOIS (ARIN) | Co-Mo Comm Inc | US |
| 63.77.24.0/21 | BGP route | AS33616 Co-Mo Comm Inc | — |
| 63.77.24.0/21 | WHOIS (ARIN) | Co-Mo Comm Inc | US |
| 63.77.200.0/21 | BGP route | AS33616 Co-Mo Comm Inc | — |
| 63.77.200.0/21 | WHOIS (ARIN) | Co-Mo Comm Inc | US |
| 63.77.232.0/21 | WHOIS (ARIN) | Arrow Electronics | US |
| 63.79.40.0/21 | WHOIS (ARIN) | Trinity Microsystems | US |
| 63.79.56.0/21 | BGP route | AS33616 Co-Mo Comm Inc | — |
| 63.79.56.0/21 | WHOIS (ARIN) | Co-Mo Comm Inc | US |
| 63.79.128.0/21 | BGP route | AS33616 Co-Mo Comm Inc | — |
| 63.79.128.0/21 | WHOIS (ARIN) | Co-Mo Comm Inc | US |
| 63.79.168.0/21 | WHOIS (ARIN) | Ellensburg Telephone | US |
| 63.64.32.0/22 | WHOIS (ARIN) | Convergent Communications, Inc. | US |
| 63.64.88.0/22 | WHOIS (ARIN) | TCA Internet | US |
| 63.64.100.0/22 | WHOIS (ARIN) | World Media Group | US |
| 63.64.152.0/22 | BGP route | AS396973 Department of Homeland Security | — |
| 63.64.152.0/22 | WHOIS (ARIN) | Department of Homeland Security | US |
| 63.66.124.0/22 | WHOIS (ARIN) | CYPRESS COMMUNICATIONS, LLC | US |
| 63.66.132.0/22 | WHOIS (ARIN) | NetTelcos | US |
| 63.66.160.0/22 | BGP route | AS26097 Labyrinth Solutions Inc | — |
| 63.66.160.0/22 | WHOIS (ARIN) | LABYRINTH SOLUTIONS, INC | US |
| 63.67.32.0/22 | WHOIS (ARIN) | Verizon Data Services LLC | US |
| 63.67.68.0/22 | BGP route | AS7799 Olypen, Inc. | — |
| 63.67.68.0/22 | WHOIS (ARIN) | Olypen, Inc. | US |
| 63.67.96.0/22 | WHOIS (ARIN) | Source Electronics Corp. | US |
| 63.67.120.0/22 | WHOIS (ARIN) | Armstrong Cable Service | US |
| 63.67.180.0/22 | WHOIS (ARIN) | ASI Communications, Inc. | US |
| 63.68.20.0/22 | WHOIS (ARIN) | ARRIS GROUP, INC. | US |
| 63.68.56.0/22 | WHOIS (ARIN) | SGN, Inc. | US |
| 63.68.100.0/22 | WHOIS (ARIN) | SkyLynx Communication | US |
| 63.68.136.0/22 | WHOIS (ARIN) | Internal / mci7112 | US |
| 63.68.140.0/22 | WHOIS (ARIN) | RESIDENTIAL NETWORKING SOLUTIONS LLC | US |
| 63.68.144.0/22 | WHOIS (ARIN) | Unified Access Corp | US |
| 63.68.168.0/22 | WHOIS (ARIN) | Heartland Communications | US |
| 63.68.224.0/22 | WHOIS (ARIN) | Satellite Communication Systems, Inc. | US |
| 63.68.236.0/22 | WHOIS (ARIN) | ISP Alliance/Accucom Comms. | US |
| 63.69.72.0/22 | WHOIS (ARIN) | RESIDENTIAL NETWORKING SOLUTIONS LLC | US |
| 63.69.168.0/22 | WHOIS (ARIN) | NetSoft Corporation | US |
| 63.69.212.0/22 | WHOIS (ARIN) | Sigecom | US |
| 63.72.208.0/22 | BGP route | AS23149 BATH & BODY WORKS, INC. | — |
| 63.75.60.0/22 | BGP route | AS10461 Eze Castle Software LLC | — |
| 63.76.52.0/22 | BGP route | AS393775 IP Pathways, LLC | — |
| 63.78.116.0/22 | BGP route | AS36103 Central Utah Telephone, Inc. | — |
| 63.78.212.0/22 | BGP route | AS36103 Central Utah Telephone, Inc. | — |
| 63.78.244.0/22 | BGP route | AS23219 MicroCerv | — |
| 63.79.88.0/22 | BGP route | AS32851 Walmart Inc. | — |
| 63.64.36.0/23 | BGP route | AS30211 Gallatin Wireless Internet, LLC | — |
| 63.64.60.0/23 | BGP route | AS13434 CORVEL CORPORATION | — |
| 63.64.106.0/23 | BGP route | AS13666 Verizon Business | — |
| 63.64.130.0/23 | BGP route | AS12061 24 Hour Fitness USA, Inc. | — |
| 63.65.158.0/23 | BGP route | AS27364 Armstrong | — |
| 63.65.236.0/23 | BGP route | AS1699 Verizon Business | — |
| 63.66.112.0/23 | BGP route | AS15089 Massachusetts Mutual Life Insurance Company | — |
| 63.67.170.0/23 | BGP route | AS16785 USANA Inc | — |
| 63.67.172.0/23 | BGP route | AS19901 Brightspeed | — |
| 63.67.240.0/23 | BGP route | AS54646 Hardy Telecommunications | — |
| 63.68.178.0/23 | BGP route | AS398224 United Bankshares, Inc. | — |
| 63.68.190.0/23 | BGP route | AS398224 United Bankshares, Inc. | — |
| 63.70.72.0/23 | BGP route | AS28502 Axtel, S.A.B. de C.V. | — |
| 63.70.164.0/23 | BGP route | AS20005 SANDHILLS PUBLISHING | — |
| 63.70.234.0/23 | BGP route | AS28502 Axtel, S.A.B. de C.V. | — |
| 63.73.214.0/23 | BGP route | AS26097 Labyrinth Solutions Inc | — |
| 63.74.208.0/23 | BGP route | AS26717 Richmond Public Schools | — |
| 63.76.6.0/23 | BGP route | AS12234 Verizon Business | — |
| 63.76.66.0/23 | BGP route | AS14717 EZE Castle Integration Inc. | — |
| 63.76.74.0/23 | BGP route | AS19885 Isocentric Networks, Incorporated | — |
| 63.76.208.0/23 | BGP route | AS14454 SilverSky, Inc. | — |
| 63.76.254.0/23 | BGP route | AS393442 United Electric Cooperative | — |
| 63.77.76.0/23 | BGP route | AS1661 Verizon Business | — |
| 63.77.200.0/23 | BGP route | AS33616 Co-Mo Comm Inc | — |
| 63.77.204.0/23 | BGP route | AS393442 United Electric Cooperative | — |
| 63.77.232.0/23 | BGP route | AS13524 Arrow Electronics | — |
| 63.79.176.0/23 | BGP route | AS18573 Verizon Business | — |
| 63.79.178.0/23 | BGP route | AS18573 Verizon Business | — |
| 63.64.24.0/24 | BGP route | AS1661 Verizon Business | — |
| 63.64.41.0/24 | BGP route | AS46601 CCI Communications LLC | — |