| 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 |
| 63.96.0.0/12 | BGP route | AS701 Verizon Business | — |
| 63.109.160.0/19 | WHOIS (ARIN) | Whistle Communications | 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 |
| 63.96.16.0/21 | WHOIS (ARIN) | WS/JAGIL, INC. | US |
| 63.96.152.0/21 | WHOIS (ARIN) | WESTAT, INC | US |
| 63.96.208.0/21 | WHOIS (ARIN) | MASSACHUSETTS MUTUAL LIFE INSURANCE | US |
| 63.99.128.0/21 | WHOIS (ARIN) | Plateau Telecommunications Incorporated | US |
| 63.100.32.0/21 | WHOIS (ARIN) | Pioneer Internet Access | US |
| 63.101.192.0/21 | WHOIS (ARIN) | Azeronline LTD. J.V. | US |
| 63.102.248.0/21 | BGP route | AS18573 Verizon Business | — |
| 63.102.248.0/21 | WHOIS (ARIN) | MCI (Trade Show Lab) | US |
| 63.104.232.0/21 | WHOIS (ARIN) | KMBULK LLC | US |
| 63.105.56.0/21 | WHOIS (ARIN) | HostTech Communicati | US |
| 63.105.144.0/21 | WHOIS (ARIN) | Porter Novelli | US |
| 63.105.192.0/21 | BGP route | AS9286 KINX | — |
| 63.105.200.0/21 | BGP route | AS9286 KINX | — |
| 63.108.88.0/21 | WHOIS (ARIN) | SUNGARD COMPUTER, DATA | US |
| 63.108.112.0/21 | WHOIS (ARIN) | Silvaco Inc. | US |
| 63.108.216.0/21 | WHOIS (ARIN) | The Allegro Group | US |
| 63.110.160.0/21 | BGP route | AS15227 LUMOS Networks, Inc. | — |
| 63.96.28.0/22 | WHOIS (ARIN) | Real Page, Inc. | US |
| 63.96.32.0/22 | WHOIS (ARIN) | MARRIOTT INTERNATIONAL | US |
| 63.96.56.0/22 | WHOIS (ARIN) | Totelcom Communications LLC | US |
| 63.96.60.0/22 | WHOIS (ARIN) | Digital Agent | — |
| 63.96.232.0/22 | WHOIS (ARIN) | Michaels Stores, Inc. | US |
| 63.97.68.0/22 | WHOIS (ARIN) | NEXTUS INC | US |
| 63.97.84.0/22 | WHOIS (ARIN) | Reese Technology Center | US |
| 63.97.140.0/22 | WHOIS (ARIN) | ZEECON WIRELESS INTERNET, INC. | US |
| 63.97.180.0/22 | WHOIS (ARIN) | Affiliated Computer Services | US |
| 63.97.188.0/22 | WHOIS (ARIN) | XIT RURAL TELEPHONE COOPERATIVE, INC. | US |
| 63.97.192.0/22 | WHOIS (ARIN) | Gower Computer Support, Inc. | US |
| 63.98.4.0/22 | WHOIS (ARIN) | Raydian Inc. | US |
| 63.98.76.0/22 | WHOIS (ARIN) | MARRIOTT INTERNATIONAL ADMINISTRATIVE SERVICES, INC. | US |
| 63.98.84.0/22 | WHOIS (ARIN) | INP-RNMC | US |
| 63.98.188.0/22 | WHOIS (ARIN) | XIT RURAL TELEPHONE COOPERATIVE, INC. | US |
| 63.99.12.0/22 | WHOIS (ARIN) | Applied Research Ass | US |
| 63.100.24.0/22 | WHOIS (ARIN) | Brylane L.P. | US |
| 63.100.124.0/22 | WHOIS (ARIN) | Mattel, Inc. | US |
| 63.102.32.0/22 | WHOIS (ARIN) | Cintel, Inc. | US |
| 63.102.56.0/22 | WHOIS (ARIN) | Eureka Broadband | US |
| 63.102.140.0/22 | WHOIS (ARIN) | Shelton Internet, In | US |
| 63.102.144.0/22 | WHOIS (ARIN) | Peregrine Hardware | US |
| 63.102.224.0/22 | WHOIS (ARIN) | SUNGARD COMPUTER, DATA | US |
| 63.103.24.0/22 | WHOIS (ARIN) | Episcopal High Schoo | US |
| 63.103.212.0/22 | WHOIS (ARIN) | Automated Financial | US |
| 63.104.16.0/22 | WHOIS (ARIN) | Picus.com | US |
| 63.104.20.0/22 | WHOIS (ARIN) | Whistle Communications | US |
| 63.104.36.0/22 | WHOIS (ARIN) | Archon Group | US |
| 63.104.56.0/22 | WHOIS (ARIN) | Internet Unlimited | US |
| 63.110.120.0/22 | BGP route | AS28502 Axtel, S.A.B. de C.V. | — |
| 63.110.188.0/22 | BGP route | AS28502 Axtel, S.A.B. de C.V. | — |
| 63.96.242.0/23 | BGP route | AS26344 Real Page, Inc. | — |
| 63.97.104.0/23 | BGP route | AS1661 Verizon Business | — |
| 63.97.118.0/23 | BGP route | AS19250 John Wiley & Sons, Inc. | — |
| 63.97.184.0/23 | BGP route | AS19250 John Wiley & Sons, Inc. | — |
| 63.99.120.0/23 | BGP route | AS30452 First National Technology Solutions, Inc. | — |
| 63.99.122.0/23 | BGP route | AS20034 First National Technology Solutions, Inc. | — |
| 63.101.150.0/23 | BGP route | AS14566 Atos IT Solutions and Services Inc | — |
| 63.103.50.0/23 | BGP route | AS21996 GUAMCELL Communications | — |
| 63.105.50.0/23 | BGP route | AS16801 Energy Transfer LP | — |
| 63.107.10.0/23 | BGP route | AS20472 Synergy Networks | — |
| 63.110.102.0/23 | BGP route | AS1661 Verizon Business | — |
| 63.111.184.0/23 | BGP route | AS17088 Currenex, Inc. | — |
| 63.96.1.0/24 | BGP route | AS18434 Fidelity National Information Services, Inc. | — |
| 63.96.15.0/24 | BGP route | AS396524 GM Financial | — |
| 63.96.28.0/24 | BGP route | AS26344 Real Page, Inc. | — |
| 63.96.29.0/24 | BGP route | AS26344 Real Page, Inc. | — |
| 63.96.37.0/24 | BGP route | AS393977 Great Southern Bank | — |
| 63.96.42.0/24 | BGP route | AS398172 Sirius XM Connected Vehicle Services Inc. | — |
| 63.96.43.0/24 | BGP route | AS398172 Sirius XM Connected Vehicle Services Inc. | — |
| 63.96.60.0/24 | BGP route | AS16791 Digital Agent | — |
| 63.96.61.0/24 | BGP route | AS16791 Digital Agent | — |
| 63.96.62.0/24 | BGP route | AS16791 Digital Agent | — |
| 63.96.63.0/24 | BGP route | AS16791 Digital Agent | — |
| 63.96.90.0/24 | BGP route | AS63321 Rent-A-Center Inc. | — |
| 63.96.131.0/24 | BGP route | AS46202 Michaels Stores, Inc. | — |
| 63.96.221.0/24 | BGP route | AS6503 Axtel, S.A.B. de C.V. | — |
| 63.96.226.0/24 | BGP route | AS25907 BRINKER INTERNATIONAL INC | — |
| 63.96.229.0/24 | BGP route | AS13554 Tenaska Power Services, Co. | — |
| 63.96.232.0/24 | BGP route | AS46202 Michaels Stores, Inc. | — |
| 63.96.233.0/24 | BGP route | AS46202 Michaels Stores, Inc. | — |
| 63.96.234.0/24 | BGP route | AS46202 Michaels Stores, Inc. | — |
| 63.96.235.0/24 | BGP route | AS46202 Michaels Stores, Inc. | — |
| 63.97.15.0/24 | BGP route | AS25907 BRINKER INTERNATIONAL INC | — |
| 63.97.34.0/24 | BGP route | AS63039 Spok Inc. | — |
| 63.97.46.0/24 | BGP route | AS54683 BSN Sports LLC | — |
| 63.97.58.0/24 | BGP route | AS18867 American Messaging Services L.L.C. | — |
| 63.97.109.0/24 | BGP route | AS7018 AT&T Enterprises, LLC | — |
| 63.97.151.0/24 | BGP route | AS29891 National Cable Communications LLC | — |
| 63.97.187.0/24 | BGP route | AS23304 Datotel LLC, a NetLabs LLC Company | — |
| 63.97.201.0/24 | BGP route | AS396922 Cisco Systems, Inc. | — |
| 63.97.206.0/24 | BGP route | AS30523 BOK Financial Corporation | — |
| 63.97.222.0/24 | BGP route | AS21973 Xponet | — |
| 63.97.243.0/24 | BGP route | AS27235 COLORADO VALLEY COMMUNICATIONS, INC. | — |