Autonomous System
AS40021 Contabo Inc.
HostingActiveUnited StatesARIN
AS40021 (CONTABO-40021) is a hosting network operated by Contabo Inc. in United States, registered with ARIN. It has 94 IPv4 prefixes with 151,552 addresses and 5 IPv6 prefixes, which makes it the 1,572nd largest of 82,283 active autonomous systems by IPv4 space.
IPv4 addresses151,552in 94 prefixes
IPv6 prefixes5≈ 4.0 × 10²⁹ addresses
Size rank#1,572of 82,283 active ASNs
Details
OrganizationContabo Inc. · hosting provider profile
AS nameCONTABO-40021
Websitecontabo.com
Country United States (US)
Network typeHosting
RegistryARIN
Abuse contactabuse@contabo.de
Registered2023-05-16
Last updated2025-07-14
IPv4 prefixes
94 prefixes · 151,552 addresses| Network | Addresses | First – last address |
|---|---|---|
| 13.140.32.0/20 | 4,096 | 13.140.32.0 – 13.140.47.255 |
| 13.140.224.0/20 | 4,096 | 13.140.224.0 – 13.140.239.255 |
| 144.126.128.0/20 | 4,096 | 144.126.128.0 – 144.126.143.255 |
| 147.93.128.0/20 | 4,096 | 147.93.128.0 – 147.93.143.255 |
| 147.93.176.0/20 | 4,096 | 147.93.176.0 – 147.93.191.255 |
| 157.173.192.0/20 | 4,096 | 157.173.192.0 – 157.173.207.255 |
| 207.244.224.0/20 | 4,096 | 207.244.224.0 – 207.244.239.255 |
| 207.244.240.0/20 | 4,096 | 207.244.240.0 – 207.244.255.255 |
| 209.126.0.0/20 | 4,096 | 209.126.0.0 – 209.126.15.255 |
| 209.145.48.0/20 | 4,096 | 209.145.48.0 – 209.145.63.255 |
| 217.216.80.0/20 | 4,096 | 217.216.80.0 – 217.216.95.255 |
| 13.140.240.0/21 | 2,048 | 13.140.240.0 – 13.140.247.255 |
| 31.220.96.0/21 | 2,048 | 31.220.96.0 – 31.220.103.255 |
| 62.146.168.0/21 | 2,048 | 62.146.168.0 – 62.146.175.255 |
| 62.146.176.0/21 | 2,048 | 62.146.176.0 – 62.146.183.255 |
| 62.146.224.0/21 | 2,048 | 62.146.224.0 – 62.146.231.255 |
| 66.94.96.0/21 | 2,048 | 66.94.96.0 – 66.94.103.255 |
| 66.94.104.0/21 | 2,048 | 66.94.104.0 – 66.94.111.255 |
| 66.94.120.0/21 | 2,048 | 66.94.120.0 – 66.94.127.255 |
| 80.190.72.0/21 | 2,048 | 80.190.72.0 – 80.190.79.255 |
| 85.239.232.0/21 | 2,048 | 85.239.232.0 – 85.239.239.255 |
| 85.239.240.0/21 | 2,048 | 85.239.240.0 – 85.239.247.255 |
| 89.117.16.0/21 | 2,048 | 89.117.16.0 – 89.117.23.255 |
| 89.117.72.0/21 | 2,048 | 89.117.72.0 – 89.117.79.255 |
| 89.117.144.0/21 | 2,048 | 89.117.144.0 – 89.117.151.255 |
13.140.32.0/20 13.140.224.0/20 144.126.128.0/20 147.93.128.0/20 147.93.176.0/20 157.173.192.0/20 207.244.224.0/20 207.244.240.0/20 209.126.0.0/20 209.145.48.0/20 217.216.80.0/20 13.140.240.0/21 31.220.96.0/21 62.146.168.0/21 62.146.176.0/21 62.146.224.0/21 66.94.96.0/21 66.94.104.0/21 66.94.120.0/21 80.190.72.0/21 85.239.232.0/21 85.239.240.0/21 89.117.16.0/21 89.117.72.0/21 89.117.144.0/21
The 25 largest of 94. The API and the database have all of them.
IPv6 prefixes
5 prefixes- 2605:a140::/32
- 2605:a141::/32
- 2605:a142::/32
- 2605:a143::/32
- 2605:a144::/32
2605:a140::/32 2605:a141::/32 2605:a142::/32 2605:a143::/32 2605:a144::/32
Query AS40021 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS40021&key=YOUR_API_KEY"Any address in its prefixes resolves to AS40021, with or without a key:
curl "https://api.ipapi.is/?q=13.140.32.1"Largest networks in United States
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