| 172.0.0.0/8 | WHOIS (ARIN) | Various Registries (Maintained by ARIN) | US |
| 172.104.0.0/15 | WHOIS (ARIN) | Akamai Technologies, Inc. | US |
| 172.104.0.0/15 | ARIN assigned | β | US |
| 172.104.0.0/16 | WHOIS (ARIN) | Linode | US |
| 172.105.0.0/17 | WHOIS (ARIN) | Linode | US |
| 172.105.192.0/18 | WHOIS (ARIN) | Linode | US |
| 172.104.32.0/19 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.104.64.0/19 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.104.96.0/19 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.104.128.0/19 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.104.160.0/19 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.104.224.0/19 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.0.0/19 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.32.0/19 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.64.0/19 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.160.0/19 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.160.0/19 | WHOIS (ARIN) | Linode | US |
| 172.105.192.0/19 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.104.16.0/20 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.104.208.0/20 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.96.0/20 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.112.0/20 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.128.0/20 | WHOIS (ARIN) | Linode | US |
| 172.105.224.0/20 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.104.8.0/21 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.104.192.0/21 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.152.0/21 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.152.0/21 | WHOIS (ARIN) | Linode | US |
| 172.104.4.0/22 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.148.0/22 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.148.0/22 | WHOIS (ARIN) | Linode | US |
| 172.105.240.0/22 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.244.0/22 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.248.0/22 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.104.202.0/23 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.128.0/23 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.130.0/23 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.132.0/23 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.134.0/23 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.136.0/23 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.138.0/23 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.140.0/23 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.144.0/23 | WHOIS (ARIN) | Linode | US |
| 172.105.252.0/23 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.254.0/23 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.104.205.0/24 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.104.206.0/24 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.104.207.0/24 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.146.0/24 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.146.0/24 | WHOIS (ARIN) | Linode | US |
| 172.105.147.0/24 | BGP route | AS63949 Akamai Technologies, Inc. | β |
| 172.105.147.0/24 | WHOIS (ARIN) | Expanse | US |