ASN Lookup

An ASN lookup helps you identify the Autonomous System Number (ASN) behind an IP address, including the ISP, network owner, and routing details. Use it to better understand IP ownership and network behavior.

Enter Autonomous System Number (ASN)

Result

Overview - AS40021

40021

Contabo Inc.

contabo.com

(DCH) Data Center/Web Hosting/Transit

139,264

1.3 Nonillion

IP Coverage

Netblock Number of IPs   
5.180.151.0/24 256
5.252.52.0/23 512
5.252.54.0/23 512
31.220.96.0/21 2,048
38.105.209.0/24 256
38.105.232.0/24 256
45.137.192.0/24 256
45.137.194.0/24 256
62.146.168.0/21 2,048
62.146.176.0/21 2,048
62.146.224.0/21 2,048
66.94.96.0/21 2,048
66.94.104.0/21 2,048
66.94.112.0/22 1,024
66.94.116.0/23 512
66.94.118.0/24 256
66.94.119.0/24 256
66.94.120.0/21 2,048
81.22.38.0/24 256
82.197.64.0/22 1,024
85.239.230.0/23 512
85.239.232.0/21 2,048
85.239.240.0/21 2,048
85.239.248.0/23 512
85.239.250.0/24 256
86.48.16.0/22 1,024
86.48.20.0/22 1,024
86.48.24.0/22 1,024
86.48.28.0/22 1,024
89.117.16.0/21 2,048
89.117.72.0/21 2,048
89.117.144.0/21 2,048
92.118.56.0/23 512
92.118.58.0/23 512
94.72.112.0/21 2,048
94.72.120.0/21 2,048
94.101.113.0/24 256
109.236.60.0/24 256
144.126.128.0/20 4,096
144.126.144.0/22 1,024
144.126.148.0/22 1,024
144.126.152.0/21 2,048
147.93.0.0/21 2,048
147.93.128.0/20 4,096
147.93.144.0/22 1,024
147.93.150.0/24 256
147.93.176.0/20 4,096
154.12.224.0/21 2,048
154.12.232.0/21 2,048
154.12.240.0/21 2,048
154.12.248.0/22 1,024
154.12.252.0/22 1,024
154.38.160.0/21 2,048
154.38.168.0/21 2,048
154.38.176.0/21 2,048
154.38.184.0/21 2,048
154.53.32.0/21 2,048
154.53.40.0/21 2,048
154.53.48.0/21 2,048
154.53.56.0/21 2,048
157.173.192.0/20 4,096
164.5.254.0/23 512
176.57.165.0/24 256
185.111.156.0/24 256
185.187.235.0/24 256
194.113.67.0/24 256
194.140.196.0/22 1,024
194.238.24.0/21 2,048
195.26.240.0/21 2,048
195.26.248.0/21 2,048
207.244.224.0/20 4,096
207.244.240.0/20 4,096
209.126.0.0/20 4,096
209.126.70.0/24 256
209.126.77.0/24 256
209.126.79.0/24 256
209.126.80.0/21 2,048
209.145.48.0/20 4,096
212.28.176.0/21 2,048
212.28.184.0/21 2,048
212.56.32.0/22 1,024
212.56.36.0/22 1,024
212.56.40.0/21 2,048
217.77.0.0/21 2,048
217.77.8.0/21 2,048
217.216.40.0/21 2,048
217.216.48.0/21 2,048
217.216.62.0/24 256
217.216.64.0/22 1,024
217.216.80.0/20 4,096

Show more IP address ranges »

Netblock Number of IPs   
2605:a140::/32 79,228,162,514,264,337,593,543,950,336
2605:a141::/32 79,228,162,514,264,337,593,543,950,336
2605:a142::/32 79,228,162,514,264,337,593,543,950,336
2605:a143::/32 79,228,162,514,264,337,593,543,950,336
2605:a144::/32 79,228,162,514,264,337,593,543,950,336
2605:a145::/32 79,228,162,514,264,337,593,543,950,336
2605:a146::/31 158,456,325,028,528,675,187,087,900,672
2605:a148::/29 633,825,300,114,114,700,748,351,602,688
2607:4740::/32 79,228,162,514,264,337,593,543,950,336

Show more IP address ranges »

Geographic Distribution (IPv4)

United States of America
 100%
Germany
 0%

Usage & Classification (IPv4)

(DCH) Data Center/Web Hosting/Transit

99.97%

(COM) Commercial

0.02%

(SES) Search Engine Spider

0.01%

Data Center/Web Hosting/Transit (DCH)

This category encompasses data centers, cloud hosting providers, and the transit networks that form the internet's backbone. These IPs are built for high-capacity and maximum uptime, supporting the infrastructure that hosts websites and cloud-based software.

Commercial (COM)

Commercial networks are operated by for-profit businesses ranging from local startups to multinational corporations. These IPs facilitate e-commerce, internal corporate operations, and general business activities aimed at generating revenue.

Search Engine Spider (SES)

Search engine spiders are automated bots and crawlers used by companies like Google or Bing to index the web. These IPs belong to scripts that scan public-facing websites to analyze content and update search results. While they represent automated traffic, they are essential for the discoverability of information on the internet.

Ready to Get Started?

Sign up now and you will be able to access ALL IP databases for FREE!

No hidden costs. No credit card required.