| 66.0.0.0/8 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 66.78.0.0/18 | BGP route | AS21769 Colocation America Corporation | — |
| 66.78.0.0/18 | WHOIS (ARIN) | Colocation America Corporation | — |
| 66.78.0.0/18 | ARIN assigned | — | US |
| 66.78.0.0/21 | WHOIS (ARIN) | MOD Mission Critical | US |
| 66.78.8.0/21 | WHOIS (ARIN) | MOD Mission Critical | US |
| 66.78.48.0/21 | WHOIS (ARIN) | Internet Utilities NA LLC | US |
| 66.78.28.0/22 | WHOIS (ARIN) | UAB | SA |
| 66.78.32.0/22 | WHOIS (ARIN) | Code200 | LT |
| 66.78.36.0/22 | WHOIS (ARIN) | Internet Utilities NA LLC | — |
| 66.78.16.0/23 | BGP route | AS9009 M247 Europe SRL | — |
| 66.78.16.0/23 | WHOIS (ARIN) | Private Customer | IE |
| 66.78.18.0/23 | WHOIS (ARIN) | North Coast Hosting | US |
| 66.78.20.0/23 | WHOIS (ARIN) | North Coast Hosting | US |
| 66.78.22.0/23 | WHOIS (ARIN) | North Coast Hosting | US |
| 66.78.24.0/23 | WHOIS (ARIN) | North Coast Hosting | US |
| 66.78.26.0/23 | WHOIS (ARIN) | CODE200 | LT |
| 66.78.44.0/23 | BGP route | AS212238 Datacamp Limited | — |
| 66.78.50.0/23 | BGP route | AS174 Cogent Communications, LLC | — |
| 66.78.52.0/23 | BGP route | AS174 Cogent Communications, LLC | — |
| 66.78.54.0/23 | BGP route | AS174 Cogent Communications, LLC | — |
| 66.78.60.0/23 | WHOIS (ARIN) | ClearDemand | US |
| 66.78.8.0/24 | BGP route | AS54103 MOD Mission Critical, LLC | — |
| 66.78.9.0/24 | BGP route | AS54103 MOD Mission Critical, LLC | — |
| 66.78.10.0/24 | BGP route | AS54103 MOD Mission Critical, LLC | — |
| 66.78.11.0/24 | BGP route | AS852 TELUS Communications Inc. | — |
| 66.78.12.0/24 | BGP route | AS54103 MOD Mission Critical, LLC | — |
| 66.78.13.0/24 | BGP route | AS54103 MOD Mission Critical, LLC | — |
| 66.78.14.0/24 | BGP route | AS54103 MOD Mission Critical, LLC | — |
| 66.78.15.0/24 | BGP route | AS54103 MOD Mission Critical, LLC | — |
| 66.78.18.0/24 | BGP route | AS47007 Colocation America Corporation | — |
| 66.78.19.0/24 | BGP route | AS47007 Colocation America Corporation | — |
| 66.78.20.0/24 | BGP route | AS47007 Colocation America Corporation | — |
| 66.78.21.0/24 | BGP route | AS47007 Colocation America Corporation | — |
| 66.78.22.0/24 | BGP route | AS47007 Colocation America Corporation | — |
| 66.78.23.0/24 | BGP route | AS47007 Colocation America Corporation | — |
| 66.78.24.0/24 | BGP route | AS47007 Colocation America Corporation | — |
| 66.78.25.0/24 | BGP route | AS47007 Colocation America Corporation | — |
| 66.78.36.0/24 | BGP route | AS21859 Zenlayer Inc | — |
| 66.78.37.0/24 | BGP route | AS21859 Zenlayer Inc | — |
| 66.78.38.0/24 | BGP route | AS20473 The Constant Company, LLC | — |
| 66.78.39.0/24 | BGP route | AS214054 Nitrode Corporation trading as ChartVPS Technologies | — |
| 66.78.39.0/24 | WHOIS (ARIN) | ChartVPS Technologies | CA |
| 66.78.40.0/24 | BGP route | AS215659 Aokigahara SRL | — |
| 66.78.40.0/24 | WHOIS (ARIN) | Aokigahara SRL | RO |
| 66.78.41.0/24 | BGP route | AS401605 Web Host Most, LLC | — |
| 66.78.41.0/24 | WHOIS (ARIN) | Web Host Most LLC | US |
| 66.78.42.0/24 | WHOIS (ARIN) | VXI Global Solutions LLC | US |
| 66.78.43.0/24 | BGP route | AS47007 Colocation America Corporation | — |
| 66.78.43.0/24 | WHOIS (ARIN) | Broadband USA | US |
| 66.78.44.0/24 | BGP route | AS40676 Psychz Networks | — |
| 66.78.44.0/24 | WHOIS (ARIN) | Private Customer | US |
| 66.78.45.0/24 | BGP route | AS16509 Amazon.com, Inc. | — |
| 66.78.45.0/24 | WHOIS (ARIN) | Private Customer | US |
| 66.78.46.0/24 | BGP route | AS19446 3Z Canada | — |
| 66.78.46.0/24 | WHOIS (ARIN) | Internet Utilities NA LLC | US |
| 66.78.47.0/24 | BGP route | AS47007 Colocation America Corporation | — |
| 66.78.47.0/24 | WHOIS (ARIN) | North Coast Hosting | US |
| 66.78.48.0/24 | BGP route | AS142240 HostNost | — |
| 66.78.49.0/24 | BGP route | AS401362 HOST4NERD LLC | — |
| 66.78.49.0/24 | WHOIS (ARIN) | Private Customer | — |
| 66.78.56.0/24 | WHOIS (ARIN) | Equinix Chicago CH2 | US |
| 66.78.57.0/24 | WHOIS (ARIN) | CODE200 | LT |
| 66.78.58.0/24 | BGP route | AS47007 Colocation America Corporation | — |
| 66.78.58.0/24 | WHOIS (ARIN) | Silicon Desert International | US |
| 66.78.59.0/24 | BGP route | AS59253 LEASEWEB SINGAPORE PTE. LTD. | — |
| 66.78.59.0/24 | WHOIS (ARIN) | Web Host Most LLC | US |
| 66.78.60.0/24 | BGP route | AS47007 Colocation America Corporation | — |
| 66.78.61.0/24 | BGP route | AS47007 Colocation America Corporation | — |
| 66.78.62.0/24 | BGP route | AS47007 Colocation America Corporation | — |
| 66.78.63.0/24 | WHOIS (ARIN) | Data Paradise | IN |
| 66.78.62.48/28 | WHOIS (ARIN) | Relativity Media | US |
| 66.78.62.0/29 | WHOIS (ARIN) | CODE200 | LT |
| 66.78.62.8/29 | WHOIS (ARIN) | CODE200 | LT |
| 66.78.62.16/29 | WHOIS (ARIN) | CODE200 | LT |