| 192.0.0.0/8 | WHOIS (ARIN) | Various Registries (Maintained by ARIN) | US |
| 192.56.128.0/17 | WHOIS (ARIN) | HP Inc. | β |
| 192.56.128.0/17 | ARIN assigned | β | US |
| 192.56.160.0/21 | WHOIS (ARIN) | Burle Industries, Inc. | US |
| 192.56.248.0/21 | BGP route | AS10430 Washington State K-20 Telecommunications Network | β |
| 192.56.248.0/21 | WHOIS (ARIN) | Center for Information Services | US |
| 192.56.248.0/22 | BGP route | AS10430 Washington State K-20 Telecommunications Network | β |
| 192.56.246.0/23 | BGP route | AS10430 Washington State K-20 Telecommunications Network | β |
| 192.56.246.0/23 | WHOIS (ARIN) | Center for Information Services | US |
| 192.56.252.0/23 | BGP route | AS10430 Washington State K-20 Telecommunications Network | β |
| 192.56.128.0/24 | BGP route | AS2687 AT&T Enterprises, LLC | β |
| 192.56.129.0/24 | BGP route | AS2687 AT&T Enterprises, LLC | β |
| 192.56.129.0/24 | WHOIS (ARIN) | HPINC | AU |
| 192.56.130.0/24 | BGP route | AS2687 AT&T Enterprises, LLC | β |
| 192.56.130.0/24 | WHOIS (ARIN) | HPINC | MY |
| 192.56.131.0/24 | BGP route | AS2687 AT&T Enterprises, LLC | β |
| 192.56.131.0/24 | WHOIS (ARIN) | HPINC | PH |
| 192.56.132.0/24 | BGP route | AS2687 AT&T Enterprises, LLC | β |
| 192.56.132.0/24 | WHOIS (ARIN) | HPINC | IN |
| 192.56.134.0/24 | BGP route | AS2687 AT&T Enterprises, LLC | β |
| 192.56.134.0/24 | WHOIS (ARIN) | HPINC | IN |
| 192.56.135.0/24 | BGP route | AS2687 AT&T Enterprises, LLC | β |
| 192.56.135.0/24 | WHOIS (ARIN) | HPINC | NZ |
| 192.56.136.0/24 | BGP route | AS2687 AT&T Enterprises, LLC | β |
| 192.56.137.0/24 | BGP route | AS2687 AT&T Enterprises, LLC | β |
| 192.56.137.0/24 | WHOIS (ARIN) | HPINC | TW |
| 192.56.138.0/24 | BGP route | AS2687 AT&T Enterprises, LLC | β |
| 192.56.138.0/24 | WHOIS (ARIN) | HPINC | IN |
| 192.56.139.0/24 | BGP route | AS2687 AT&T Enterprises, LLC | β |
| 192.56.139.0/24 | WHOIS (ARIN) | HPINC | TW |
| 192.56.140.0/24 | BGP route | AS2687 AT&T Enterprises, LLC | β |
| 192.56.140.0/24 | WHOIS (ARIN) | HPINC | IN |
| 192.56.141.0/24 | WHOIS (ARIN) | Lockheed Martin Corporation | US |
| 192.56.142.0/24 | WHOIS (ARIN) | HPINC | TH |
| 192.56.148.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.149.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.149.0/24 | WHOIS (ARIN) | HPINC | DK |
| 192.56.150.0/24 | WHOIS (ARIN) | TIDN | DE |
| 192.56.168.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.168.0/24 | WHOIS (ARIN) | HPINC | GB |
| 192.56.169.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.169.0/24 | WHOIS (ARIN) | HPINC | GB |
| 192.56.170.0/24 | BGP route | AS2155 HP Inc. | β |
| 192.56.170.0/24 | WHOIS (ARIN) | HPINC | DE |
| 192.56.171.0/24 | BGP route | AS25888 HP Inc. | β |
| 192.56.171.0/24 | WHOIS (ARIN) | HPINC | FI |
| 192.56.172.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.172.0/24 | WHOIS (ARIN) | HPINC | FR |
| 192.56.173.0/24 | BGP route | AS20804 Exatel S.A. | β |
| 192.56.173.0/24 | WHOIS (ARIN) | HPINC | PL |
| 192.56.174.0/24 | WHOIS (ARIN) | HPINC | US |
| 192.56.175.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.175.0/24 | WHOIS (ARIN) | HPINC | GR |
| 192.56.184.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.184.0/24 | WHOIS (ARIN) | HPINC | CZ |
| 192.56.185.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.185.0/24 | WHOIS (ARIN) | HPINC | US |
| 192.56.186.0/24 | WHOIS (ARIN) | HPINC | US |
| 192.56.187.0/24 | WHOIS (ARIN) | HPINC | NL |
| 192.56.190.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.190.0/24 | WHOIS (ARIN) | HPINC | TN |
| 192.56.191.0/24 | WHOIS (ARIN) | Space Biosphere Ventures | US |
| 192.56.192.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.192.0/24 | WHOIS (ARIN) | HPINC | DE |
| 192.56.193.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.193.0/24 | WHOIS (ARIN) | HPINC | RO |
| 192.56.194.0/24 | WHOIS (ARIN) | Communications Technology Center | US |
| 192.56.200.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.200.0/24 | WHOIS (ARIN) | HPINC | ES |
| 192.56.201.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.201.0/24 | WHOIS (ARIN) | HPINC | BE |
| 192.56.202.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.202.0/24 | WHOIS (ARIN) | HPINC | GB |
| 192.56.203.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.204.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.204.0/24 | WHOIS (ARIN) | HPINC | FR |
| 192.56.205.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.205.0/24 | WHOIS (ARIN) | HPINC | CH |
| 192.56.206.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.206.0/24 | WHOIS (ARIN) | HPINC | ZA |
| 192.56.207.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.207.0/24 | WHOIS (ARIN) | HPINC | PL |
| 192.56.224.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.224.0/24 | WHOIS (ARIN) | HPINC | IT |
| 192.56.225.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.225.0/24 | WHOIS (ARIN) | HPINC | ES |
| 192.56.226.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.226.0/24 | WHOIS (ARIN) | HPINC | BG |
| 192.56.227.0/24 | WHOIS (ARIN) | HPINC | CH |
| 192.56.228.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.228.0/24 | WHOIS (ARIN) | HPINC | DE |
| 192.56.229.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.229.0/24 | WHOIS (ARIN) | HPINC | NL |
| 192.56.230.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.230.0/24 | WHOIS (ARIN) | HPINC | LU |
| 192.56.231.0/24 | BGP route | AS14381 Caterpillar, Inc. | β |
| 192.56.233.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.234.0/24 | BGP route | AS35549 A1 Hrvatska d.o.o. | β |
| 192.56.235.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.236.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |
| 192.56.238.0/24 | BGP route | AS2686 AT&T Enterprises, LLC | β |