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IPv4 root -> 20/8 -> 20.0.0.0/8
Summary for subnet 20.0.0.0/8
| IP-range/subnet | 20.0.0.0-20.255.255.255 |
| Location | United States (US)  |
| Registry | arin |
| Number of domains hosted | 8,384 |
| Number of nameservers hosted | 48 |
| Number of mailservers hosted | 224 |
| Number of SPAM hosts hosted | 3 |
| Number of IDN domains hosted | 4 |
| Number of domains in Alexa top million | 196 |
| Number of IP routes | 152 |
Subnets based on RIR allocations
| Subnet | Description | RIR | Country | #routes | #domains | #spamhosts |
|---|---|---|---|---|---|---|
| 20.0.0.0/11 | Microsoft Corporation | arin | US | 1 | 56 | 2 |
| 20.32.0.0/16 | Computer Sciences Corporation | arin | US | 1 | 1 | 0 |
| 20.33.0.0/16 | Microsoft Corporation | arin | US | 0 | 0 | 0 |
| 20.34.0.0/15 | Microsoft Corporation | arin | US | 1 | 1 | 0 |
| 20.36.0.0/14 | Microsoft Corporation | arin | US | 1 | 6,157 | 0 |
| 20.40.0.0/13 | Microsoft Corporation | arin | US | 1 | 632 | 0 |
| 20.48.0.0/12 | Microsoft Corporation | arin | US | 0 | 9 | 0 |
| 20.64.0.0/10 | Microsoft Corporation | arin | US | 0 | 38 | 0 |
| 20.128.0.0/16 | Microsoft Corporation | arin | US | 0 | 1 | 0 |
| 20.129.0.0/16 | Computer Sciences Corporation | arin | US | 0 | 0 | 0 |
| 20.130.0.0/16 | Microsoft Corporation | arin | US | 0 | 0 | 0 |
| 20.131.0.0/16 | Computer Sciences Corporation | arin | US | 0 | 0 | 0 |
| 20.132.0.0/15 | Computer Sciences Corporation | arin | US | 29 | 61 | 0 |
| 20.134.0.0/16 | Computer Sciences Corporation | arin | US | 34 | 2 | 0 |
| 20.135.0.0/16 | Microsoft Corporation | arin | US | 0 | 0 | 0 |
| 20.136.0.0/16 | Microsoft Corporation | arin | US | 0 | 0 | 0 |
| 20.137.0.0/16 | Computer Sciences Corporation | arin | US | 14 | 0 | 0 |
| 20.138.0.0/15 | Computer Sciences Corporation | arin | US | 32 | 0 | 0 |
| 20.140.0.0/15 | Microsoft Corporation | arin | US | 1 | 0 | 0 |
| 20.142.0.0/16 | Computer Sciences Corporation | arin | US | 2 | 9 | 0 |
| 20.143.0.0/16 | Microsoft Corporation | arin | US | 0 | 0 | 0 |
| 20.144.0.0/14 | Microsoft Corporation | arin | US | 0 | 2 | 0 |
| 20.148.0.0/15 | Computer Sciences Corporation | arin | US | 20 | 0 | 0 |
| 20.150.0.0/15 | Microsoft Corporation | arin | US | 1 | 0 | 0 |
| 20.152.0.0/15 | Microsoft Corporation | arin | US | 0 | 0 | 0 |
| 20.154.0.0/15 | Computer Sciences Corporation | arin | US | 9 | 10 | 0 |
| 20.156.0.0/16 | Computer Sciences Corporation | arin | US | 2 | 0 | 0 |
| 20.157.0.0/16 | Microsoft Corporation | arin | US | 0 | 0 | 0 |
| 20.158.0.0/15 | Microsoft Corporation | arin | US | 0 | 0 | 0 |
| 20.160.0.0/12 | Microsoft Corporation | arin | US | 1 | 5 | 0 |
| 20.176.0.0/14 | Microsoft Corporation | arin | US | 0 | 0 | 0 |
| 20.180.0.0/14 | Microsoft Corporation | arin | US | 1 | 1 | 0 |
| 20.184.0.0/13 | Microsoft Corporation | arin | US | 1 | 1,365 | 1 |
| 20.192.0.0/10 | Microsoft Corporation | arin | US | 0 | 34 | 0 |
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