René's autonomous number (ASN) Lookup Tool

Enter an ASN Number:

MICROSOFT-CORP-MSN-AS-BLOCK (United States)

This AS controls 811264 IP 4 addresses:

StartEndAddresses
20.34.0.020.35.255.255131072
20.140.0.020.141.255.255131072
20.158.0.020.159.255.255131072
51.54.0.051.55.255.255131072
52.126.0.052.127.255.255131072
62.10.0.062.11.255.255131072
64.40.141.064.40.141.255256
97.107.239.097.107.239.255256
131.253.72.0131.253.75.2551024
131.253.80.0131.253.95.2554096
131.253.112.0131.253.119.2552048
131.253.120.0131.253.123.2551024
137.70.156.0137.70.156.255256
137.70.158.0137.70.158.255256
152.228.48.0152.228.48.255256
152.228.49.0152.228.49.255256
165.159.132.0165.159.135.2551024
165.159.136.0165.159.139.2551024
165.159.188.0165.159.191.2551024
170.85.197.0170.85.197.255256
170.85.198.0170.85.198.255256
195.134.224.0195.134.255.2558192
199.15.136.0199.15.137.255512
199.15.138.0199.15.138.255256
199.34.97.0199.34.97.255256
204.13.120.0204.13.127.2552048
206.41.48.0206.41.48.255256

Source of data

This data was collected from the five Regional Internet Registries (RIR): AfrinIC, APNIC, ARIN, LACNIC and RIPE.
Check your user agent's IP address.
List of autonomous systems in United States
log_id = 122793
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Disclaimer: This dataset is provided "as is" for informational purposes only.
No guarantee is made regarding the accuracy, completeness, or timeliness of the data. The provider makes no warranties, either express or implied, and assumes no legal liability or responsibility for any loss or damage resulting from the use, misuse, or reliance on this dataset. Users are responsible for verifying any results obtained from it and for ensuring that their use complies with applicable laws and regulations.