| 66.0.0.0/8 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 66.166.0.0/15 | BGP route | AS3257 GTT Communications Inc. | — |
| 66.166.0.0/15 | WHOIS (ARIN) | GTT Americas, LLC | US |
| 66.166.0.0/15 | ARIN assigned | — | US |
| 66.166.0.0/16 | WHOIS (ARIN) | IPNetZone | US |
| 66.167.32.0/19 | WHOIS (ARIN) | IPNetZone | US |
| 66.167.96.0/19 | WHOIS (ARIN) | IPNetZone | US |
| 66.167.16.0/20 | BGP route | AS11611 Arctic Fox Networks Inc | — |
| 66.167.16.0/20 | WHOIS (ARIN) | Arctic Fox Networks Inc | US |
| 66.167.128.0/21 | BGP route | AS11427 Charter Communications Inc | — |
| 66.167.128.0/21 | WHOIS (ARIN) | IPNetZone | US |
| 66.167.8.0/22 | BGP route | AS7459 Grande Communications Networks, LLC | — |
| 66.167.8.0/22 | WHOIS (ARIN) | Private Customer | US |
| 66.167.92.0/22 | BGP route | AS11427 Charter Communications Inc | — |
| 66.167.92.0/22 | WHOIS (ARIN) | IPNetZone | US |
| 66.167.136.0/22 | BGP route | AS401783 TOKALA COMMUNICATIONS INC. | — |
| 66.167.136.0/22 | WHOIS (ARIN) | Private Customer | US |
| 66.167.172.0/22 | BGP route | AS7459 Grande Communications Networks, LLC | — |
| 66.167.172.0/22 | WHOIS (ARIN) | Private Customer | US |
| 66.167.0.0/23 | BGP route | AS401783 TOKALA COMMUNICATIONS INC. | — |
| 66.167.0.0/23 | WHOIS (ARIN) | GTT-CUSTOMER | US |
| 66.167.2.0/23 | BGP route | AS9304 HGC Global Communications Limited | — |
| 66.167.2.0/23 | WHOIS (ARIN) | GTT-CUSTOMER | US |
| 66.167.4.0/23 | BGP route | AS402363 KEYSTONE NETWORKS COMMUNICATIONS INC | — |
| 66.167.4.0/23 | WHOIS (ARIN) | GTT-CUSTOMER | US |
| 66.167.6.0/23 | BGP route | AS3257 GTT Communications Inc. | — |
| 66.167.6.0/23 | WHOIS (ARIN) | GTT-CUSTOMER | US |
| 66.167.12.0/23 | BGP route | AS20001 Charter Communications Inc | — |
| 66.167.12.0/23 | WHOIS (ARIN) | IPNetZone | US |
| 66.167.64.0/23 | BGP route | AS30058 FDCservers.net | — |
| 66.167.64.0/23 | WHOIS (ARIN) | Private Customer | US |
| 66.167.66.0/23 | BGP route | AS55470 Cyfuture India Pvt. Ltd. | — |
| 66.167.66.0/23 | WHOIS (ARIN) | Private Customer | US |
| 66.167.68.0/23 | BGP route | AS212238 Datacamp Limited | — |
| 66.167.68.0/23 | WHOIS (ARIN) | Private Customer | US |
| 66.167.70.0/23 | BGP route | AS59711 HZ Hosting Ltd | — |
| 66.167.70.0/23 | WHOIS (ARIN) | Private Customer | US |
| 66.167.72.0/23 | BGP route | AS59711 HZ Hosting Ltd | — |
| 66.167.72.0/23 | WHOIS (ARIN) | Private Customer | US |
| 66.167.74.0/23 | BGP route | AS30058 FDCservers.net | — |
| 66.167.74.0/23 | WHOIS (ARIN) | Private Customer | US |
| 66.167.76.0/23 | BGP route | AS6762 TELECOM ITALIA SPARKLE S.p.A. | — |
| 66.167.76.0/23 | WHOIS (ARIN) | Private Customer | US |
| 66.167.78.0/23 | BGP route | AS30058 FDCservers.net | — |
| 66.167.78.0/23 | WHOIS (ARIN) | Private Customer | US |
| 66.167.80.0/23 | BGP route | AS3257 GTT Communications Inc. | — |
| 66.167.80.0/23 | WHOIS (ARIN) | GTT-CUSTOMER | US |
| 66.167.82.0/23 | BGP route | AS9304 HGC Global Communications Limited | — |
| 66.167.82.0/23 | WHOIS (ARIN) | GTT-CUSTOMER | US |
| 66.167.84.0/23 | BGP route | AS401783 TOKALA COMMUNICATIONS INC. | — |
| 66.167.84.0/23 | WHOIS (ARIN) | GTT-CUSTOMER | US |
| 66.167.86.0/23 | BGP route | AS401783 TOKALA COMMUNICATIONS INC. | — |
| 66.167.86.0/23 | WHOIS (ARIN) | GTT-CUSTOMER | US |
| 66.167.88.0/23 | BGP route | AS401951 SPDNet Corporation | — |
| 66.167.140.0/23 | BGP route | AS402363 KEYSTONE NETWORKS COMMUNICATIONS INC | — |
| 66.167.140.0/23 | WHOIS (ARIN) | GTT-CUSTOMER | US |
| 66.167.142.0/23 | BGP route | AS402363 KEYSTONE NETWORKS COMMUNICATIONS INC | — |
| 66.167.142.0/23 | WHOIS (ARIN) | GTT-CUSTOMER | US |
| 66.167.148.0/23 | BGP route | AS401951 SPDNet Corporation | — |
| 66.167.170.0/23 | BGP route | AS401951 SPDNet Corporation | — |
| 66.167.202.0/23 | BGP route | AS3257 GTT Communications Inc. | — |
| 66.167.202.0/23 | WHOIS (ARIN) | GTT-CUSTOMER | US |
| 66.167.206.0/23 | BGP route | AS3257 GTT Communications Inc. | — |
| 66.167.206.0/23 | WHOIS (ARIN) | RCN | US |
| 66.166.0.0/24 | BGP route | AS22773 Cox Communications Inc. | — |
| 66.166.1.0/24 | BGP route | AS22773 Cox Communications Inc. | — |
| 66.166.2.0/24 | BGP route | AS22773 Cox Communications Inc. | — |
| 66.166.3.0/24 | BGP route | AS22773 Cox Communications Inc. | — |
| 66.166.4.0/24 | BGP route | AS22773 Cox Communications Inc. | — |
| 66.166.5.0/24 | BGP route | AS22773 Cox Communications Inc. | — |
| 66.166.6.0/24 | BGP route | AS22773 Cox Communications Inc. | — |
| 66.166.7.0/24 | BGP route | AS22773 Cox Communications Inc. | — |
| 66.166.8.0/24 | BGP route | AS22773 Cox Communications Inc. | — |
| 66.166.9.0/24 | BGP route | AS22773 Cox Communications Inc. | — |
| 66.166.10.0/24 | BGP route | AS22773 Cox Communications Inc. | — |
| 66.166.11.0/24 | BGP route | AS22773 Cox Communications Inc. | — |
| 66.166.12.0/24 | BGP route | AS22773 Cox Communications Inc. | — |
| 66.166.13.0/24 | BGP route | AS22773 Cox Communications Inc. | — |
| 66.166.14.0/24 | BGP route | AS22773 Cox Communications Inc. | — |
| 66.166.15.0/24 | BGP route | AS22773 Cox Communications Inc. | — |
| 66.166.16.0/24 | BGP route | AS22773 Cox Communications Inc. | — |
| 66.166.17.0/24 | BGP route | AS22773 Cox Communications Inc. | — |
| 66.166.18.0/24 | BGP route | AS22773 Cox Communications Inc. | — |
| 66.167.15.0/24 | WHOIS (ARIN) | RCN | US |
| 66.167.90.0/24 | WHOIS (ARIN) | RCN | US |
| 66.167.144.0/24 | WHOIS (ARIN) | Bunny Communications | US |
| 66.167.147.0/24 | WHOIS (ARIN) | RCN | US |
| 66.167.151.0/24 | WHOIS (ARIN) | Bunny Communications | US |
| 66.167.166.0/24 | WHOIS (ARIN) | RCN | US |
| 66.167.169.0/24 | WHOIS (ARIN) | RCN | US |
| 66.167.201.0/24 | WHOIS (ARIN) | Bunny Communications | US |
| 66.167.204.0/24 | WHOIS (ARIN) | Bunny Communications | US |