| 131.0.0.0/8 | WHOIS (ARIN) | Various Registries (Maintained by ARIN) | US |
| 131.153.0.0/17 | WHOIS (ARIN) | SECURED SERVERS LLC | US |
| 131.153.0.0/17 | ARIN assigned | β | US |
| 131.153.0.0/21 | BGP route | AS19437 SECURED SERVERS LLC | β |
| 131.153.8.0/21 | BGP route | AS20454 SECURED SERVERS LLC | β |
| 131.153.16.0/21 | BGP route | AS60558 PHOENIX NAP, LLC. | β |
| 131.153.24.0/21 | BGP route | AS11572 PhoenixNAP LLC | β |
| 131.153.32.0/22 | BGP route | AS20454 SECURED SERVERS LLC | β |
| 131.153.48.0/22 | BGP route | AS59210 PhoenixNAP | β |
| 131.153.52.0/22 | BGP route | AS20454 SECURED SERVERS LLC | β |
| 131.153.56.0/22 | BGP route | AS12189 PhoenixNAP LLC | β |
| 131.153.60.0/22 | BGP route | AS12189 PhoenixNAP LLC | β |
| 131.153.72.0/22 | BGP route | AS12189 PhoenixNAP LLC | β |
| 131.153.76.0/22 | BGP route | AS59210 PhoenixNAP | β |
| 131.153.100.0/22 | BGP route | AS19437 SECURED SERVERS LLC | β |
| 131.153.104.0/22 | BGP route | AS12189 PhoenixNAP LLC | β |
| 131.153.108.0/22 | BGP route | AS12189 PhoenixNAP LLC | β |
| 131.153.112.0/22 | BGP route | AS12189 PhoenixNAP LLC | β |
| 131.153.116.0/22 | BGP route | AS12189 PhoenixNAP LLC | β |
| 131.153.120.0/22 | BGP route | AS12189 PhoenixNAP LLC | β |
| 131.153.124.0/22 | BGP route | AS12189 PhoenixNAP LLC | β |
| 131.153.14.0/23 | BGP route | AS20454 SECURED SERVERS LLC | β |
| 131.153.38.0/23 | BGP route | AS20454 SECURED SERVERS LLC | β |
| 131.153.40.0/23 | BGP route | AS207134 PHOENIX NAP, LLC. | β |
| 131.153.40.0/23 | WHOIS (ARIN) | PNAPSRB | CS |
| 131.153.46.0/23 | BGP route | AS59210 PhoenixNAP | β |
| 131.153.58.0/23 | BGP route | AS19181 CWIE LLC | β |
| 131.153.66.0/23 | BGP route | AS11572 PhoenixNAP LLC | β |
| 131.153.68.0/23 | BGP route | AS20454 SECURED SERVERS LLC | β |
| 131.153.96.0/23 | BGP route | AS207134 PHOENIX NAP, LLC. | β |
| 131.153.1.0/24 | WHOIS (ARIN) | PNAP-ASHDC5 | US |
| 131.153.2.0/24 | WHOIS (ARIN) | PNAP-ASHDC5 | US |
| 131.153.3.0/24 | WHOIS (ARIN) | PNAP-ASHDC5 | US |
| 131.153.4.0/24 | WHOIS (ARIN) | PNAP-ASHDC5 | US |
| 131.153.5.0/24 | WHOIS (ARIN) | PNAP-ASHDC5 | US |
| 131.153.6.0/24 | WHOIS (ARIN) | PNAP-ASHDC5 | US |
| 131.153.11.0/24 | BGP route | AS20454 SECURED SERVERS LLC | β |
| 131.153.11.0/24 | WHOIS (ARIN) | UNO Datacenters, Inc. | US |
| 131.153.12.0/24 | BGP route | AS20454 SECURED SERVERS LLC | β |
| 131.153.13.0/24 | BGP route | AS20454 SECURED SERVERS LLC | β |
| 131.153.34.0/24 | BGP route | AS20454 SECURED SERVERS LLC | β |
| 131.153.34.0/24 | WHOIS (ARIN) | VirtuSmart LLC | US |
| 131.153.36.0/24 | BGP route | AS12189 PhoenixNAP LLC | β |
| 131.153.37.0/24 | BGP route | AS20454 SECURED SERVERS LLC | β |
| 131.153.39.0/24 | BGP route | AS394566 ALEGEUS TECHNOLOGIES, LLC | β |
| 131.153.39.0/24 | WHOIS (ARIN) | ALEGEUS TECHNOLOGIES, LLC | US |
| 131.153.42.0/24 | BGP route | AS20454 SECURED SERVERS LLC | β |
| 131.153.43.0/24 | BGP route | AS20454 SECURED SERVERS LLC | β |
| 131.153.44.0/24 | BGP route | AS19437 SECURED SERVERS LLC | β |
| 131.153.44.0/24 | WHOIS (ARIN) | Hostekcom | US |
| 131.153.45.0/24 | BGP route | AS20454 SECURED SERVERS LLC | β |
| 131.153.46.0/24 | BGP route | AS59210 PhoenixNAP | β |
| 131.153.47.0/24 | BGP route | AS59210 PhoenixNAP | β |
| 131.153.48.0/24 | BGP route | AS59210 PhoenixNAP | β |
| 131.153.49.0/24 | BGP route | AS59210 PhoenixNAP | β |
| 131.153.50.0/24 | BGP route | AS59210 PhoenixNAP | β |
| 131.153.52.0/24 | BGP route | AS20454 SECURED SERVERS LLC | β |
| 131.153.55.0/24 | BGP route | AS400672 PhoenixNAP LLC | β |
| 131.153.56.0/24 | BGP route | AS19181 CWIE LLC | β |
| 131.153.57.0/24 | BGP route | AS19181 CWIE LLC | β |
| 131.153.61.0/24 | BGP route | AS46385 PhoenixNAP LLC | β |
| 131.153.65.0/24 | BGP route | AS11572 PhoenixNAP LLC | β |
| 131.153.70.0/24 | BGP route | AS19437 SECURED SERVERS LLC | β |
| 131.153.71.0/24 | BGP route | AS19437 SECURED SERVERS LLC | β |
| 131.153.100.0/24 | WHOIS (ARIN) | Hostekcom | US |
| 131.153.18.64/27 | WHOIS (ARIN) | Host4Fun | NL |
| 131.153.48.128/27 | WHOIS (ARIN) | VPSFAST | SG |
| 131.153.49.96/27 | WHOIS (ARIN) | QuadSpark IT Solutions Private Limited Company | SG |
| 131.153.30.64/28 | WHOIS (ARIN) | Host4Fun | US |
| 131.153.42.16/28 | WHOIS (ARIN) | Host Boogie LLC | US |
| 131.153.7.184/29 | WHOIS (ARIN) | PingPipe Internet Corporation | CA |
| 131.153.8.0/29 | WHOIS (ARIN) | CEI Group | US |
| 131.153.16.192/29 | WHOIS (ARIN) | Host4Fun | NL |
| 131.153.18.200/29 | WHOIS (ARIN) | PingPipe Internet Corporation | CA |
| 131.153.19.152/29 | WHOIS (ARIN) | PingPipe Internet Corporation | CA |
| 131.153.19.184/29 | WHOIS (ARIN) | PingPipe Internet Corporation | CA |
| 131.153.19.232/29 | WHOIS (ARIN) | PingPipe Internet Corporation | CA |
| 131.153.20.112/29 | WHOIS (ARIN) | PingPipe Internet Corporation | CA |
| 131.153.20.120/29 | WHOIS (ARIN) | PingPipe Internet Corporation | CA |
| 131.153.20.128/29 | WHOIS (ARIN) | PingPipe Internet Corporation | CA |
| 131.153.24.208/29 | WHOIS (ARIN) | PingPipe Internet Corporation | CA |
| 131.153.27.80/29 | WHOIS (ARIN) | PingPipe Internet Corporation | CA |
| 131.153.27.136/29 | WHOIS (ARIN) | PingPipe Internet Corporation | CA |
| 131.153.29.40/29 | WHOIS (ARIN) | ATUNIFY GROUP | US |
| 131.153.29.208/29 | WHOIS (ARIN) | PingPipe Internet Corporation | CA |
| 131.153.30.56/29 | WHOIS (ARIN) | Host4Fun | US |
| 131.153.31.96/29 | WHOIS (ARIN) | PNAP-ATL0 | US |
| 131.153.31.184/29 | WHOIS (ARIN) | PingPipe Internet Corporation | CA |
| 131.153.46.64/29 | WHOIS (ARIN) | PingPipe Internet Corporation | CA |
| 131.153.46.208/29 | WHOIS (ARIN) | PingPipe Internet Corporation | CA |
| 131.153.47.96/29 | WHOIS (ARIN) | PingPipe Internet Corporation | CA |
| 131.153.47.120/29 | WHOIS (ARIN) | PingPipe Internet Corporation | CA |
| 131.153.48.48/29 | WHOIS (ARIN) | PingPipe Internet Corporation | CA |
| 131.153.48.72/29 | WHOIS (ARIN) | PingPipe Internet Corporation | CA |
| 131.153.48.80/29 | WHOIS (ARIN) | SILICON HOUSE | SG |
| 131.153.48.88/29 | WHOIS (ARIN) | SILICON HOUSE | SG |
| 131.153.48.112/29 | WHOIS (ARIN) | SILICON HOUSE | SG |
| 131.153.48.120/29 | WHOIS (ARIN) | SILICON HOUSE | SG |
| 131.153.48.160/29 | WHOIS (ARIN) | SILICON HOUSE | SG |
| 131.153.48.192/29 | WHOIS (ARIN) | PingPipe Internet Corporation | CA |
| 131.153.48.216/29 | WHOIS (ARIN) | QuadSpark IT Solutions Private Limited Company | SG |