| 64.0.0.0/8 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 64.152.0.0/13 | BGP route | AS3356 Level 3 Parent, LLC | — |
| 64.152.0.0/13 | WHOIS (ARIN) | Level 3 Parent, LLC | US |
| 64.152.0.0/13 | ARIN assigned | — | US |
| 64.159.64.0/19 | BGP route | AS3064 HDC/HW Enterprise, LLC | — |
| 64.156.24.0/21 | BGP route | AS3064 HDC/HW Enterprise, LLC | — |
| 64.157.8.0/21 | BGP route | AS3064 HDC/HW Enterprise, LLC | — |
| 64.157.32.0/21 | WHOIS (ARIN) | Hughes DirecPC | US |
| 64.152.220.0/22 | WHOIS (ARIN) | SES Americom | US |
| 64.154.4.0/22 | BGP route | AS20454 SECURED SERVERS LLC | — |
| 64.154.20.0/22 | WHOIS (ARIN) | Iland Internet Solutions Corporation | — |
| 64.154.32.0/22 | WHOIS (ARIN) | Netifice Communications, Inc. | US |
| 64.154.88.0/22 | BGP route | AS40866 San Diego Broadband | — |
| 64.154.88.0/22 | WHOIS (ARIN) | San Diego Broadband | US |
| 64.154.220.0/22 | WHOIS (ARIN) | Linden Lab | US |
| 64.156.160.0/22 | WHOIS (ARIN) | GIGLINX, Inc | US |
| 64.157.108.0/22 | WHOIS (ARIN) | Airband Communications, Inc | US |
| 64.157.224.0/22 | WHOIS (ARIN) | Sybase, Inc. | US |
| 64.157.232.0/22 | WHOIS (ARIN) | siteROCK Corp. | US |
| 64.158.28.0/22 | BGP route | AS3064 HDC/HW Enterprise, LLC | — |
| 64.159.92.0/22 | WHOIS (ARIN) | Neucom, Inc. | US |
| 64.152.96.0/23 | WHOIS (ARIN) | iPass Inc | US |
| 64.152.110.0/23 | WHOIS (ARIN) | TELSEON | US |
| 64.152.206.0/23 | WHOIS (ARIN) | Warp Drive Networks | US |
| 64.152.228.0/23 | WHOIS (ARIN) | Tele-Base Inc. | US |
| 64.156.180.0/23 | WHOIS (ARIN) | Vizional Technologies | US |
| 64.156.186.0/23 | WHOIS (ARIN) | GIGLINX, Inc | US |
| 64.156.194.0/23 | BGP route | AS21581 M5 Computer Security | — |
| 64.157.24.0/23 | WHOIS (ARIN) | Clear Reach Networks | US |
| 64.157.104.0/23 | WHOIS (ARIN) | CentricVoice | US |
| 64.158.116.0/23 | WHOIS (ARIN) | SES Americom Inc. | US |
| 64.158.140.0/23 | WHOIS (ARIN) | Cincinnati Communications, LLC | US |
| 64.158.142.0/23 | WHOIS (ARIN) | Cincinnati Communications, LLC | US |
| 64.158.152.0/23 | WHOIS (ARIN) | DTS Fiber | US |
| 64.159.80.0/23 | WHOIS (ARIN) | Neucomm, Inc. | US |
| 64.152.25.0/24 | WHOIS (ARIN) | Esaya Inc. | US |
| 64.152.41.0/24 | WHOIS (ARIN) | Fresh Direct, Inc. | US |
| 64.152.98.0/24 | WHOIS (ARIN) | GIGLINX, Inc | US |
| 64.152.100.0/24 | WHOIS (ARIN) | WebUseNet Corp | US |
| 64.152.101.0/24 | WHOIS (ARIN) | WebUseNet Corp | US |
| 64.152.103.0/24 | WHOIS (ARIN) | iPass Incorporated | US |
| 64.152.108.0/24 | WHOIS (ARIN) | Streaming Media Corporation | US |
| 64.152.120.0/24 | WHOIS (ARIN) | GIGLINX, Inc | US |
| 64.152.122.0/24 | WHOIS (ARIN) | IP Direct, LLC | US |
| 64.152.132.0/24 | WHOIS (ARIN) | Mirror Image Internet, Inc | US |
| 64.152.195.0/24 | WHOIS (ARIN) | SES Americom Inc. | US |
| 64.152.198.0/24 | WHOIS (ARIN) | J2 Cloud Services, LLC | US |
| 64.152.204.0/24 | WHOIS (ARIN) | Warp Drive Networks | US |
| 64.152.237.0/24 | WHOIS (ARIN) | Airband Communications, Inc | US |
| 64.154.18.0/24 | BGP route | AS32208 SKL Services Inc | — |
| 64.154.18.0/24 | WHOIS (ARIN) | SKL Services Inc | US |
| 64.154.20.0/24 | BGP route | AS14127 Iland Internet Solutions Corporation | — |
| 64.154.21.0/24 | BGP route | AS14127 Iland Internet Solutions Corporation | — |
| 64.154.22.0/24 | BGP route | AS14127 Iland Internet Solutions Corporation | — |
| 64.154.23.0/24 | BGP route | AS14127 Iland Internet Solutions Corporation | — |
| 64.154.38.0/24 | BGP route | AS20473 The Constant Company, LLC | — |
| 64.154.41.0/24 | BGP route | AS46714 IP Communications LLC | — |
| 64.154.41.0/24 | WHOIS (ARIN) | IP Communications | US |
| 64.154.60.0/24 | WHOIS (ARIN) | WebUseNet Corp | US |
| 64.154.61.0/24 | WHOIS (ARIN) | WebUseNet Corp | US |
| 64.154.129.0/24 | BGP route | AS21869 Sun Chemical Corporation | — |
| 64.156.14.0/24 | BGP route | AS20473 The Constant Company, LLC | — |
| 64.156.24.0/24 | WHOIS (ARIN) | GravityFree | US |
| 64.156.28.0/24 | WHOIS (ARIN) | Oasis Technologies of Florida, Inc | US |
| 64.156.29.0/24 | WHOIS (ARIN) | GravityFree | US |
| 64.156.43.0/24 | WHOIS (ARIN) | Mesa Networks, Inc. | US |
| 64.156.49.0/24 | BGP route | AS3356 Level 3 Parent, LLC | — |
| 64.156.50.0/24 | WHOIS (ARIN) | TalkingNets | US |
| 64.156.56.0/24 | BGP route | AS62 CyrusOne LLC | — |
| 64.156.59.0/24 | WHOIS (ARIN) | GIGLINX, Inc | US |
| 64.156.167.0/24 | BGP route | AS25751 Conversant, Inc. | — |
| 64.156.192.0/24 | BGP route | AS21581 M5 Computer Security | — |
| 64.156.193.0/24 | BGP route | AS21581 M5 Computer Security | — |
| 64.157.123.0/24 | BGP route | AS33693 TierPoint, LLC | — |
| 64.157.238.0/24 | BGP route | AS20053 The Descartes Systems Group Inc | — |
| 64.158.44.0/24 | BGP route | AS32208 SKL Services Inc | — |
| 64.158.152.0/24 | BGP route | AS33099 DTS Fiber | — |
| 64.158.153.0/24 | BGP route | AS33099 DTS Fiber | — |
| 64.158.201.0/24 | BGP route | AS26842 MFXCHANGE US, INC | — |
| 64.158.223.0/24 | BGP route | AS41041 Conversant LLC | — |
| 64.159.123.0/24 | BGP route | AS18848 Altec Industries, Inc. | — |