| 72.0.0.0/8 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 72.244.0.0/15 | BGP route | AS3257 GTT Communications Inc. | — |
| 72.244.0.0/15 | WHOIS (ARIN) | GTT Americas, LLC | — |
| 72.244.0.0/15 | ARIN assigned | — | US |
| 72.244.0.0/16 | WHOIS (ARIN) | Internet Utilities NA LLC | — |
| 72.245.0.0/18 | BGP route | AS11427 Charter Communications Inc | — |
| 72.245.0.0/18 | WHOIS (ARIN) | IPNetZone | US |
| 72.245.96.0/19 | BGP route | AS11427 Charter Communications Inc | — |
| 72.245.96.0/19 | WHOIS (ARIN) | IPNetZone | US |
| 72.245.224.0/19 | WHOIS (ARIN) | Huscom International Private Limited | PK |
| 72.244.48.0/20 | BGP route | AS7029 Windstream Communications LLC | — |
| 72.244.48.0/20 | WHOIS (ARIN) | Turknet Iletisim Hizmetleri A.S | — |
| 72.244.64.0/20 | BGP route | AS174 Cogent Communications, LLC | — |
| 72.244.64.0/20 | WHOIS (ARIN) | Turknet Iletisim Hizmetleri A.S | US |
| 72.245.64.0/20 | BGP route | AS6079 RCN | — |
| 72.245.64.0/20 | WHOIS (ARIN) | RCN | US |
| 72.244.160.0/21 | BGP route | AS3257 GTT Communications Inc. | — |
| 72.244.160.0/21 | WHOIS (ARIN) | RCN | US |
| 72.244.192.0/21 | BGP route | AS3257 GTT Communications Inc. | — |
| 72.244.192.0/21 | WHOIS (ARIN) | RCN | US |
| 72.244.216.0/21 | BGP route | AS3257 GTT Communications Inc. | — |
| 72.244.216.0/21 | WHOIS (ARIN) | RCN | US |
| 72.245.88.0/21 | BGP route | AS11427 Charter Communications Inc | — |
| 72.245.88.0/21 | WHOIS (ARIN) | IPNetZone | US |
| 72.245.128.0/21 | BGP route | AS2914 NTT America, Inc. | — |
| 72.245.128.0/21 | WHOIS (ARIN) | GTT-CUSTOMER | US |
| 72.245.136.0/21 | BGP route | AS2914 NTT America, Inc. | — |
| 72.245.136.0/21 | WHOIS (ARIN) | GTT-CUSTOMER | US |
| 72.245.144.0/21 | BGP route | AS2914 NTT America, Inc. | — |
| 72.245.144.0/21 | WHOIS (ARIN) | GTT-CUSTOMER | US |
| 72.245.152.0/21 | BGP route | AS2914 NTT America, Inc. | — |
| 72.245.152.0/21 | WHOIS (ARIN) | GTT-CUSTOMER | US |
| 72.245.160.0/21 | BGP route | AS11427 Charter Communications Inc | — |
| 72.245.160.0/21 | WHOIS (ARIN) | IPNetZone | US |
| 72.245.168.0/21 | BGP route | AS39618 HostCram LLC | — |
| 72.245.168.0/21 | WHOIS (ARIN) | BITE | LT |
| 72.245.176.0/21 | BGP route | AS11427 Charter Communications Inc | — |
| 72.245.176.0/21 | WHOIS (ARIN) | IPNetZone | US |
| 72.245.192.0/21 | BGP route | AS3257 GTT Communications Inc. | — |
| 72.245.192.0/21 | WHOIS (ARIN) | GTT-CUSTOMER | US |
| 72.245.200.0/21 | BGP route | AS3257 GTT Communications Inc. | — |
| 72.245.200.0/21 | WHOIS (ARIN) | GTT-CUSTOMER | US |
| 72.244.12.0/22 | BGP route | AS5650 Verizon Business | — |
| 72.244.16.0/22 | BGP route | AS3257 GTT Communications Inc. | — |
| 72.244.16.0/22 | WHOIS (ARIN) | RCN | US |
| 72.244.20.0/22 | BGP route | AS5650 Verizon Business | — |
| 72.244.24.0/22 | BGP route | AS5650 Verizon Business | — |
| 72.244.28.0/22 | BGP route | AS3257 GTT Communications Inc. | — |
| 72.244.28.0/22 | WHOIS (ARIN) | RCN | US |
| 72.244.32.0/22 | BGP route | AS153383 Nazim Host | — |
| 72.244.32.0/22 | WHOIS (ARIN) | Private Customer | US |
| 72.244.40.0/22 | BGP route | AS3257 GTT Communications Inc. | — |
| 72.244.40.0/22 | WHOIS (ARIN) | RCN | US |
| 72.244.92.0/22 | BGP route | AS5650 Verizon Business | — |
| 72.244.92.0/22 | WHOIS (ARIN) | Cook Technical Institute | US |
| 72.244.96.0/22 | BGP route | AS5650 Verizon Business | — |
| 72.244.100.0/22 | BGP route | AS5650 Verizon Business | — |
| 72.244.104.0/22 | BGP route | AS5650 Verizon Business | — |
| 72.244.112.0/22 | BGP route | AS5650 Verizon Business | — |
| 72.244.116.0/22 | BGP route | AS199959 GWY IT PTY LTD | — |
| 72.244.120.0/22 | BGP route | AS5650 Verizon Business | — |
| 72.244.124.0/22 | BGP route | AS39521 TNGNET B.V. | — |
| 72.244.124.0/22 | WHOIS (ARIN) | Private Customer | US |
| 72.244.128.0/22 | BGP route | AS199959 GWY IT PTY LTD | — |
| 72.244.132.0/22 | BGP route | AS5650 Verizon Business | — |
| 72.244.140.0/22 | BGP route | AS4826 VOCUS PTY LTD | — |
| 72.244.148.0/22 | BGP route | AS4826 VOCUS PTY LTD | — |
| 72.244.160.0/22 | BGP route | AS56264 Tomato Web (Pvt) Limited | — |
| 72.244.164.0/22 | BGP route | AS40676 Psychz Networks | — |
| 72.244.168.0/22 | BGP route | AS149978 SPNHOST | — |
| 72.244.168.0/22 | WHOIS (ARIN) | Private Customer | US |
| 72.244.172.0/22 | BGP route | AS5650 Verizon Business | — |
| 72.244.176.0/22 | BGP route | AS5650 Verizon Business | — |
| 72.244.180.0/22 | BGP route | AS5650 Verizon Business | — |
| 72.244.184.0/22 | BGP route | AS40676 Psychz Networks | — |
| 72.244.184.0/22 | WHOIS (ARIN) | Private Customer | US |
| 72.244.188.0/22 | BGP route | AS199959 GWY IT PTY LTD | — |
| 72.244.188.0/22 | WHOIS (ARIN) | Private Customer | US |
| 72.244.196.0/22 | BGP route | AS40676 Psychz Networks | — |
| 72.244.200.0/22 | BGP route | AS199959 GWY IT PTY LTD | — |
| 72.244.200.0/22 | WHOIS (ARIN) | Private Customer | US |
| 72.244.204.0/22 | BGP route | AS9304 HGC Global Communications Limited | — |
| 72.244.208.0/22 | BGP route | AS3257 GTT Communications Inc. | — |
| 72.244.208.0/22 | WHOIS (ARIN) | RCN | US |
| 72.244.224.0/22 | WHOIS (ARIN) | RCN | US |
| 72.244.232.0/22 | WHOIS (ARIN) | Charter Communications LLC | US |
| 72.245.80.0/22 | WHOIS (ARIN) | Private Customer | US |
| 72.245.188.0/22 | WHOIS (ARIN) | BITE | LT |
| 72.244.46.0/23 | WHOIS (ARIN) | Private Customer | US |
| 72.244.84.0/23 | WHOIS (ARIN) | Private Customer | HK |
| 72.244.0.0/24 | WHOIS (ARIN) | Private Customer | US |
| 72.244.1.0/24 | WHOIS (ARIN) | Private Customer | IN |
| 72.244.3.0/24 | WHOIS (ARIN) | Private Customer | US |
| 72.244.4.0/24 | WHOIS (ARIN) | Panda Technologies | US |
| 72.244.5.0/24 | WHOIS (ARIN) | RCN | US |
| 72.244.6.0/24 | WHOIS (ARIN) | Pyro Inc. | US |
| 72.244.7.0/24 | WHOIS (ARIN) | RCN | US |
| 72.244.8.0/24 | WHOIS (ARIN) | RCN | US |
| 72.244.9.0/24 | WHOIS (ARIN) | RCN | US |
| 72.244.10.0/24 | WHOIS (ARIN) | Private Customer | IN |
| 72.244.11.0/24 | WHOIS (ARIN) | RCN | US |