| 8.0.0.0/8 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 8.0.0.0/9 | BGP route | AS3356 Level 3 Parent, LLC | — |
| 8.64.0.0/10 | WHOIS (ARIN) | Level 3 Parent, LLC | US |
| 8.64.0.0/10 | ARIN assigned | — | US |
| 8.32.0.0/11 | WHOIS (ARIN) | Level 3 Parent, LLC | US |
| 8.32.0.0/11 | ARIN assigned | — | US |
| 8.0.0.0/12 | BGP route | AS3356 Level 3 Parent, LLC | — |
| 8.16.0.0/12 | BGP route | AS3356 Level 3 Parent, LLC | — |
| 8.16.0.0/12 | WHOIS (ARIN) | Level 3 Parent, LLC | US |
| 8.16.0.0/12 | ARIN assigned | — | US |
| 8.32.0.0/12 | BGP route | AS3356 Level 3 Parent, LLC | — |
| 8.48.0.0/12 | BGP route | AS3356 Level 3 Parent, LLC | — |
| 8.64.0.0/12 | BGP route | AS3356 Level 3 Parent, LLC | — |
| 8.0.0.0/13 | WHOIS (ARIN) | Level 3 Parent, LLC | US |
| 8.0.0.0/13 | ARIN assigned | — | US |
| 8.12.0.0/14 | WHOIS (ARIN) | Level 3 Parent, LLC | US |
| 8.12.0.0/14 | ARIN assigned | — | US |
| 8.10.0.0/15 | WHOIS (ARIN) | Level 3 Parent, LLC | US |
| 8.10.0.0/15 | ARIN assigned | — | US |
| 8.9.0.0/16 | WHOIS (ARIN) | Level 3 Parent, LLC | US |
| 8.9.0.0/16 | ARIN assigned | — | US |
| 8.8.128.0/17 | WHOIS (ARIN) | Level 3 Parent, LLC | US |
| 8.8.128.0/17 | ARIN assigned | — | US |
| 8.8.64.0/18 | WHOIS (ARIN) | Level 3 Parent, LLC | US |
| 8.8.64.0/18 | ARIN assigned | — | US |
| 8.51.0.0/18 | BGP route | AS3356 Level 3 Parent, LLC | — |
| 8.5.32.0/19 | WHOIS (ARIN) | Level 3 Parent, LLC | US |
| 8.8.32.0/19 | WHOIS (ARIN) | Level 3 Parent, LLC | US |
| 8.8.32.0/19 | ARIN assigned | — | US |
| 8.14.224.0/19 | BGP route | AS28469 AT&T COMUNICACIONES DIGITALES S DE RL | — |
| 8.3.80.0/20 | BGP route | AS395354 Starry, Inc. | — |
| 8.3.112.0/20 | BGP route | AS7131 PTI Pacifica Inc. | — |
| 8.3.112.0/20 | WHOIS (ARIN) | VERIZON PACIFICA | GU |
| 8.3.144.0/20 | WHOIS (ARIN) | DIRECTV-Broadband | US |
| 8.4.48.0/20 | WHOIS (ARIN) | Silicon Valley Web Hosting | US |
| 8.4.96.0/20 | WHOIS (ARIN) | Cricket Communications | US |
| 8.8.16.0/20 | WHOIS (ARIN) | Level 3 Parent, LLC | US |
| 8.8.16.0/20 | ARIN assigned | — | US |
| 8.9.80.0/20 | BGP route | AS31775 Greenlight Networks, LLC | — |
| 8.9.80.0/20 | WHOIS (ARIN) | Greenlight Networks, LLC | US |
| 8.12.224.0/20 | WHOIS (ARIN) | Xandr Inc. | US |
| 8.14.0.0/20 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 8.14.16.0/20 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 8.14.224.0/20 | BGP route | AS28469 AT&T COMUNICACIONES DIGITALES S DE RL | — |
| 8.14.224.0/20 | WHOIS (ARIN) | IUSACELL CELULAR S.A. DE C.V. | MX |
| 8.14.240.0/20 | WHOIS (ARIN) | IUSACELL CELULAR S.A. DE C.V. | MX |
| 8.17.208.0/20 | BGP route | AS18826 1966 | — |
| 8.19.16.0/20 | WHOIS (ARIN) | Xandr Inc. | US |
| 8.24.96.0/20 | BGP route | AS14828 Hiawatha Broadband Communications, Inc | — |
| 8.24.224.0/20 | WHOIS (ARIN) | GoRack LLC | US |
| 8.25.224.0/20 | BGP route | AS23089 Hotwire Communications | — |
| 8.25.224.0/20 | WHOIS (ARIN) | Hotwire Communications | US |
| 8.27.208.0/20 | BGP route | AS40749 CLARKSVILLE DEPARTMENT OF ELECTRICITY | — |
| 8.27.208.0/20 | WHOIS (ARIN) | CLARKSVILLE DEPARTMENT OF ELECTRICITY | US |
| 8.28.128.0/20 | WHOIS (ARIN) | PacketRail, LLC | US |
| 8.28.240.0/20 | BGP route | AS22898 ATLINK SERVICES, LLC | — |
| 8.29.128.0/20 | BGP route | AS36444 Liquid Web, L.L.C | — |
| 8.31.32.0/20 | BGP route | AS395368 NTT Global Data Centers Americas, INC. | — |
| 8.33.80.0/20 | BGP route | AS7381 BroadbandONE, LLC | — |
| 8.33.160.0/20 | BGP route | AS33182 HostDime.com, Inc. | — |
| 8.35.160.0/20 | BGP route | AS3685 State University of New York at Buffalo | — |
| 8.35.160.0/20 | WHOIS (ARIN) | State University of New York at Buffalo | US |
| 8.36.48.0/20 | WHOIS (ARIN) | K.A.S. Cable T.V., Inc. | US |
| 8.36.240.0/20 | BGP route | AS14155 Rural Telephone Service Co, Inc. | — |
| 8.36.240.0/20 | WHOIS (ARIN) | Rural Telephone Service Co, Inc. | US |
| 8.39.240.0/20 | BGP route | AS14155 Rural Telephone Service Co, Inc. | — |
| 8.39.240.0/20 | WHOIS (ARIN) | Rural Telephone Service Co, Inc. | US |
| 8.40.48.0/20 | BGP route | AS23118 Skyline Telephone | — |
| 8.40.48.0/20 | WHOIS (ARIN) | SkyBest Communications INC. | US |
| 8.40.192.0/20 | WHOIS (ARIN) | Vyve Broadband | — |
| 8.41.112.0/20 | BGP route | AS23118 Skyline Telephone | — |
| 8.41.112.0/20 | WHOIS (ARIN) | SkyBest Communications INC. | US |
| 8.41.192.0/20 | WHOIS (ARIN) | Sunesys, LLC | — |
| 8.42.112.0/20 | BGP route | AS62955 eBay, Inc | — |
| 8.42.112.0/20 | WHOIS (ARIN) | eBay, Inc | US |
| 8.42.176.0/20 | BGP route | AS11272 C Spire Fiber | — |
| 8.43.176.0/20 | WHOIS (ARIN) | NTT Managed Services Americas, LLC | US |
| 8.44.144.0/20 | BGP route | AS393552 Longmont Power & Communications | — |
| 8.44.144.0/20 | WHOIS (ARIN) | Longmont Power & Communications | US |
| 8.45.0.0/20 | BGP route | AS17639 ComClark Network & Technology Corp | — |
| 8.45.64.0/20 | BGP route | AS62955 eBay, Inc | — |
| 8.45.64.0/20 | WHOIS (ARIN) | eBay, Inc | US |
| 8.48.32.0/20 | BGP route | AS394314 Akliz, Inc. | — |
| 8.48.32.0/20 | WHOIS (ARIN) | Akliz, Inc. | US |
| 8.2.208.0/21 | BGP route | AS32798 Highline Services, LLC | — |
| 8.2.208.0/21 | WHOIS (ARIN) | Telcom Supply | US |
| 8.3.80.0/21 | WHOIS (ARIN) | Starry, Inc. | US |
| 8.3.88.0/21 | WHOIS (ARIN) | Starry, Inc. | US |
| 8.4.40.0/21 | WHOIS (ARIN) | Peak Web Hosting Inc. | US |
| 8.7.96.0/21 | BGP route | AS13649 Flexential Colorado Corp. | — |
| 8.8.208.0/21 | BGP route | AS14554 FirstHop | — |
| 8.8.208.0/21 | WHOIS (ARIN) | FirstHop | US |
| 8.8.232.0/21 | WHOIS (ARIN) | Gogo Business Aviation LLC | US |
| 8.9.40.0/21 | BGP route | AS62728 VELOCITY, A MANAGED SERVICES COMPANY | — |
| 8.9.40.0/21 | WHOIS (ARIN) | VELOCITY, A MANAGED SERVICES COMPANY | US |
| 8.10.168.0/21 | WHOIS (ARIN) | IBM - Applications on Demand | US |
| 8.15.176.0/21 | BGP route | AS18624 Greenlight | — |
| 8.17.88.0/21 | BGP route | AS36734 Paxio Inc. | — |
| 8.17.88.0/21 | WHOIS (ARIN) | Paxio Inc. | US |
| 8.18.136.0/21 | WHOIS (ARIN) | OVH Hosting, Inc. | CA |
| 8.19.136.0/21 | WHOIS (ARIN) | The Solo Networks | US |
| 8.20.216.0/21 | BGP route | AS33302 Data102 | — |
| 8.22.64.0/21 | BGP route | AS3356 Level 3 Parent, LLC | — |
| 8.22.104.0/21 | BGP route | AS3685 State University of New York at Buffalo | — |
| 8.22.200.0/21 | BGP route | AS19844 SBA Edge, LLC | — |
| 8.24.8.0/21 | BGP route | AS16276 OVH SAS | — |
| 8.24.16.0/21 | BGP route | AS23089 Hotwire Communications | — |
| 8.24.224.0/21 | BGP route | AS19844 SBA Edge, LLC | — |
| 8.25.240.0/21 | BGP route | AS63107 Bijou Telephone Co-op Association, Inc. | — |
| 8.28.48.0/21 | BGP route | AS46887 Zayo Bandwidth | — |
| 8.28.184.0/21 | BGP route | AS30536 Circle Computer Resources, Inc. | — |
| 8.8.0.0/22 | ARIN assigned | — | US |
| 8.8.12.0/22 | ARIN assigned | — | US |
| 8.8.6.0/23 | ARIN assigned | — | US |
| 8.8.10.0/23 | ARIN assigned | — | US |
| 8.8.4.0/24 | ARIN assigned | — | US |
| 8.8.5.0/24 | ARIN assigned | — | US |
| 8.8.8.0/24 | ARIN assigned | — | US |
| 8.8.9.0/24 | ARIN assigned | — | US |