| 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 | β | US |
| 63.64.0.0/12 | BGP route | AS701 Verizon Business | β |
| 63.80.0.0/12 | BGP route | AS701 Verizon Business | β |
| 63.96.0.0/12 | BGP route | AS701 Verizon Business | β |
| 63.112.0.0/12 | BGP route | AS701 Verizon Business | β |
| 63.91.192.0/18 | BGP route | AS3371 Verizon Business | β |
| 63.92.224.0/19 | WHOIS (ARIN) | APPLE INC | US |
| 63.109.160.0/19 | WHOIS (ARIN) | Whistle Communications | US |
| 63.127.224.0/19 | BGP route | AS3614 Dell, Inc. | β |
| 63.127.224.0/19 | WHOIS (ARIN) | DELL COMPUTER | US |
| 63.66.208.0/20 | WHOIS (ARIN) | UUNET Technologies, Inc. | US |
| 63.70.80.0/20 | BGP route | AS14669 Convergeone Unified Technology Solutions, Inc. | β |
| 63.70.80.0/20 | WHOIS (ARIN) | Convergeone Unified Technology Solutions, Inc. | US |
| 63.75.240.0/20 | BGP route | AS46573 Vault Host | β |
| 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 |
| 63.83.160.0/20 | WHOIS (ARIN) | Southern Internet Se | US |
| 63.87.112.0/20 | BGP route | AS46303 POPP.com, Inc. | β |
| 63.87.112.0/20 | WHOIS (ARIN) | POPP.com, Inc. | US |
| 63.93.80.0/20 | WHOIS (ARIN) | MANHATTAN TELECOMMUNICATIONS C | US |
| 63.93.144.0/20 | WHOIS (ARIN) | Charter Communications LLC | US |
| 63.95.96.0/20 | WHOIS (ARIN) | Connect Holdings | US |
| 63.96.112.0/20 | WHOIS (ARIN) | Verizon | US |
| 63.101.96.0/20 | WHOIS (ARIN) | VERIZON | US |
| 63.105.16.0/20 | WHOIS (ARIN) | PORTLAND INTERNETWORKS | US |
| 63.105.192.0/20 | WHOIS (ARIN) | Enterprise Networks | KR |
| 63.110.128.0/20 | WHOIS (ARIN) | Cybertrails | US |
| 63.113.48.0/20 | WHOIS (ARIN) | William Preston, & Associates, LLC DBA LogicSouth | US |
| 63.115.0.0/20 | BGP route | AS3855 Logic Communications Ltd | β |
| 63.115.0.0/20 | WHOIS (ARIN) | Logic Communications Ltd | BM |
| 63.115.112.0/20 | WHOIS (ARIN) | GLENCOM, INC. | β |
| 63.115.144.0/20 | WHOIS (ARIN) | GLOBAL CONNECT LLC | US |
| 63.116.32.0/20 | WHOIS (ARIN) | Commerce One | US |
| 63.117.80.0/20 | WHOIS (ARIN) | GLOBAL CONNECT LLC | US |
| 63.117.144.0/20 | WHOIS (ARIN) | GLOBAL CONNECT LLC | 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. | β |
| 63.69.16.0/21 | WHOIS (ARIN) | Compusource Engineering Corp. | β |
| 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 | β |
| 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 | β |
| 63.76.248.0/21 | WHOIS (ARIN) | Co-Mo Comm Inc | US |
| 63.77.24.0/21 | BGP route | AS33616 Co-Mo Comm Inc | β |
| 63.77.24.0/21 | WHOIS (ARIN) | Co-Mo Comm Inc | US |
| 63.77.200.0/21 | BGP route | AS33616 Co-Mo Comm Inc | β |
| 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 | β |
| 63.79.56.0/21 | WHOIS (ARIN) | Co-Mo Comm Inc | US |
| 63.79.128.0/21 | BGP route | AS33616 Co-Mo Comm Inc | β |
| 63.79.128.0/21 | WHOIS (ARIN) | Co-Mo Comm Inc | US |
| 63.79.168.0/21 | WHOIS (ARIN) | Ellensburg Telephone | US |
| 63.80.80.0/21 | WHOIS (ARIN) | Ameri Market Tech, Inc. | US |
| 63.82.0.0/21 | WHOIS (ARIN) | Dialink Corporation | US |
| 63.82.48.0/21 | WHOIS (ARIN) | LANSET AMERICA CORPORATION | US |
| 63.82.88.0/21 | WHOIS (ARIN) | San Marcos Internet | US |
| 63.92.64.0/21 | BGP route | AS998 HypeStatus Inc | β |
| 63.102.248.0/21 | BGP route | AS18573 Verizon Business | β |
| 63.105.192.0/21 | BGP route | AS9286 KINX | β |
| 63.105.200.0/21 | BGP route | AS9286 KINX | β |
| 63.110.160.0/21 | BGP route | AS15227 LUMOS Networks, Inc. | β |
| 63.117.56.0/21 | BGP route | AS14717 EZE Castle Integration Inc. | β |
| 63.117.160.0/21 | BGP route | AS14717 EZE Castle Integration Inc. | β |
| 63.126.208.0/21 | BGP route | AS15227 LUMOS Networks, Inc. | β |
| 63.127.192.0/21 | BGP route | AS21547 FirstLight Networks, LLC | β |
| 63.64.152.0/22 | BGP route | AS396973 Department of Homeland Security | β |
| 63.66.160.0/22 | BGP route | AS26097 Labyrinth Solutions Inc | β |
| 63.67.68.0/22 | BGP route | AS7799 Olypen, Inc. | β |
| 63.72.208.0/22 | BGP route | AS23149 BATH & BODY WORKS, INC. | β |
| 63.75.60.0/22 | BGP route | AS10461 Eze Castle Software LLC | β |
| 63.76.52.0/22 | BGP route | AS393775 IP Pathways, LLC | β |
| 63.78.116.0/22 | BGP route | AS36103 Central Utah Telephone, Inc. | β |
| 63.78.212.0/22 | BGP route | AS36103 Central Utah Telephone, Inc. | β |
| 63.78.244.0/22 | BGP route | AS23219 MicroCerv | β |
| 63.79.88.0/22 | BGP route | AS32851 Walmart Inc. | β |
| 63.84.64.0/22 | BGP route | AS28502 Axtel, S.A.B. de C.V. | β |
| 63.84.220.0/22 | BGP route | AS13462 Institute of Electrical and Electronics Engineers, Inc | β |
| 63.85.88.0/22 | BGP route | AS30462 NexGen Integrated Communications LLC | β |
| 63.86.8.0/22 | BGP route | AS30462 NexGen Integrated Communications LLC | β |
| 63.86.120.0/22 | BGP route | AS46303 POPP.com, Inc. | β |
| 63.88.36.0/22 | BGP route | AS40412 PA House of Representatives - Democratic Caucus | β |
| 63.89.76.0/22 | BGP route | AS20088 CURRENT COMPONENTS INC | β |
| 63.90.76.0/22 | BGP route | AS15089 Massachusetts Mutual Life Insurance Company | β |
| 63.110.120.0/22 | BGP route | AS28502 Axtel, S.A.B. de C.V. | β |
| 63.110.188.0/22 | BGP route | AS28502 Axtel, S.A.B. de C.V. | β |
| 63.114.160.0/22 | BGP route | AS32217 GPIEX INC | β |
| 63.114.164.0/22 | BGP route | AS32217 GPIEX INC | β |
| 63.116.12.0/22 | BGP route | AS26097 Labyrinth Solutions Inc | β |
| 63.64.36.0/23 | BGP route | AS30211 Gallatin Wireless Internet, LLC | β |