René's autonomous number (ASN) Lookup Tool

Enter an ASN Number:

O2-CZECH-REPUBLIC O2 Czech Republic, a.s. (CZ)

This AS controls 2196224 IP 4 addresses:

StartEndAddresses
5.23.39.05.23.39.255256
37.188.128.037.188.255.25532768
80.188.0.080.188.255.25565536
80.188.0.080.188.127.25532768
80.188.40.080.188.40.255256
80.188.128.080.188.255.25532768
80.188.222.080.188.222.255256
81.90.160.081.90.175.2554096
81.90.168.081.90.168.255256
81.90.168.081.90.175.2552048
81.90.170.081.90.170.255256
81.90.173.081.90.173.255256
83.69.32.083.69.63.2558192
83.208.0.083.208.255.25565536
83.208.0.083.208.63.25516384
83.208.64.083.208.127.25516384
83.208.128.083.208.159.2558192
83.208.220.083.208.223.2551024
85.70.0.085.70.255.25565536
85.71.0.085.71.255.25565536
85.70.0.085.70.127.25532768
85.70.128.085.70.255.25532768
85.71.224.085.71.255.2558192
85.160.0.085.161.255.255131072
85.193.0.085.193.63.25516384
88.83.160.088.83.191.2558192
88.83.175.088.83.175.255256
88.100.0.088.101.255.255131072
88.102.0.088.102.255.25565536
88.100.0.088.103.255.255262144
90.176.32.090.176.63.2558192
90.176.64.090.176.127.25516384
90.176.128.090.176.255.25532768
90.176.170.090.176.170.255256
90.177.0.090.177.255.25565536
90.178.0.090.179.255.255131072
90.180.0.090.183.255.255262144
90.181.0.090.181.255.25565536
90.182.0.090.182.255.25565536
90.183.0.090.183.255.25565536
90.182.108.090.182.108.255256
91.191.64.091.191.127.25516384
91.193.132.091.193.135.2551024
91.213.10.091.213.10.255256
91.232.82.091.232.82.255256
92.243.192.092.243.223.2558192
109.80.0.0109.81.255.255131072
109.81.112.0109.81.127.2554096
109.81.160.0109.81.175.2554096
160.218.0.0160.218.255.25565536
161.195.144.0161.195.144.255256
185.61.228.0185.61.231.2551024
185.143.112.0185.143.115.2551024
193.17.13.0193.17.13.255256
193.84.12.0193.84.13.255512
193.84.14.0193.84.15.255512
194.50.248.0194.50.249.255512
194.165.47.0194.165.47.255256
194.228.0.0194.228.255.25565536
194.228.0.0194.228.127.25532768
194.228.72.0194.228.75.2551024
194.228.128.0194.228.255.25532768
195.5.186.0195.5.186.255256
195.246.96.0195.246.97.255512
217.117.208.0217.117.223.2554096
217.194.160.0217.194.175.2554096

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 CZ
log_id = 155357
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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.