asn.dev

Address space

AS5610 O2-CZECH-REPUBLIC

IPv4 prefixes 101 1.54M addresses
IPv6 prefixes 4
Most common size /24 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/15
/15: 5
5
/16
/16: 6
6
/17
/17: 4
4
/18
/18: 10
10
/19
/19: 13
13
/20
/20: 12
12
/21
/21: 9
9
/22
/22: 13
13
/23
/23: 9
9
/24
/24: 20
20

How this network carves its IPv4 space. A wall of /24s usually means many small customer assignments or fine-grained traffic engineering; a few short prefixes means large contiguous allocations announced whole.

Shape

Prefix sizes

IPv6
/29
/29: 1
1
/31
/31: 1
1
/32
/32: 1
1
/48
/48: 1
1

Geography

Where the space lands

CountryNamePrefixes
CZCzechia105

Inventory

All prefixes

105 total
PrefixFamilyAddressesCountryFlags
5.23.39.0/24IPv4256CZ
37.188.128.0/17IPv432,768CZ
80.188.0.0/19IPv48,192CZ
80.188.32.0/21IPv42,048CZ
80.188.40.0/24IPv4256CZ
80.188.41.0/24IPv4256CZ
80.188.42.0/23IPv4512CZ
80.188.44.0/22IPv41,024CZ
80.188.48.0/20IPv44,096CZ
80.188.64.0/18IPv416,384CZ
80.188.128.0/18IPv416,384CZ
80.188.192.0/20IPv44,096CZ
80.188.208.0/21IPv42,048CZ
80.188.216.0/22IPv41,024CZ
80.188.220.0/23IPv4512CZ
80.188.222.0/24IPv4256CZ
80.188.223.0/24IPv4256CZ
80.188.224.0/19IPv48,192CZ
81.90.160.0/21IPv42,048CZ
81.90.168.0/24IPv4256CZ
81.90.169.0/24IPv4256CZ
81.90.170.0/24IPv4256CZ
81.90.171.0/24IPv4256CZ
81.90.172.0/23IPv4512CZ
81.90.174.0/23IPv4512CZ
83.69.32.0/19IPv48,192CZ
83.208.0.0/17IPv432,768CZ
83.208.128.0/18IPv416,384CZ
83.208.192.0/19IPv48,192CZ
83.208.224.0/19IPv48,192CZ
85.70.0.0/15IPv4131,072CZ
85.160.0.0/15IPv4131,072CZ
85.193.0.0/18IPv416,384CZ
88.83.160.0/20IPv44,096CZ
88.83.176.0/20IPv44,096CZ
88.100.0.0/15IPv4131,072CZ
88.102.0.0/16IPv465,536CZ
88.103.0.0/16IPv465,536CZ
90.176.32.0/19IPv48,192CZ
90.176.64.0/18IPv416,384CZ
90.176.128.0/19IPv48,192CZ
90.176.160.0/21IPv42,048CZ
90.176.168.0/23IPv4512CZ
90.176.170.0/24IPv4256CZ
90.176.171.0/24IPv4256CZ
90.176.172.0/22IPv41,024CZ
90.176.176.0/20IPv44,096CZ
90.176.192.0/18IPv416,384CZ
90.177.0.0/16IPv465,536CZ
90.178.0.0/15IPv4131,072CZ
90.180.0.0/15IPv4131,072CZ
90.182.0.0/18IPv416,384CZ
90.182.64.0/19IPv48,192CZ
90.182.96.0/21IPv42,048CZ
90.182.104.0/22IPv41,024CZ
90.182.108.0/24IPv4256CZ
90.182.109.0/24IPv4256CZ
90.182.110.0/23IPv4512CZ
90.182.112.0/20IPv44,096CZ
90.182.128.0/17IPv432,768CZ
90.183.0.0/16IPv465,536CZ
91.191.64.0/22IPv41,024CZ
91.191.68.0/24IPv4256CZ
91.191.70.0/23IPv4512CZ
91.191.72.0/21IPv42,048CZ
91.191.84.0/22IPv41,024CZ
91.191.88.0/21IPv42,048CZ
91.191.96.0/19IPv48,192CZ
91.193.132.0/22IPv41,024CZ
91.213.10.0/24IPv4256CZ
91.232.82.0/24IPv4256CZ
92.243.192.0/19IPv48,192CZ
109.80.0.0/16IPv465,536CZ
109.81.0.0/17IPv432,768CZ
109.81.128.0/19IPv48,192CZ
109.81.160.0/20IPv44,096CZ
109.81.176.0/20IPv44,096CZ
109.81.192.0/18IPv416,384CZ
160.218.0.0/16IPv465,536CZ
161.195.144.0/24IPv4256CZ
185.61.228.0/22IPv41,024CZ
185.143.112.0/22IPv41,024CZ
193.17.13.0/24IPv4256CZ
193.84.12.0/22IPv41,024CZ
194.50.248.0/23IPv4512CZ
194.165.47.0/24IPv4256CZ
194.228.0.0/18IPv416,384CZ
194.228.64.0/21IPv42,048CZ
194.228.72.0/22IPv41,024CZ
194.228.76.0/22IPv41,024CZ
194.228.80.0/20IPv44,096CZ
194.228.96.0/19IPv48,192CZ
194.228.128.0/20IPv44,096CZ
194.228.144.0/21IPv42,048CZ
194.228.152.0/22IPv41,024CZ
194.228.158.0/23IPv4512CZ
194.228.160.0/19IPv48,192CZ
194.228.192.0/18IPv416,384CZ
195.5.186.0/24IPv4256CZ
217.117.208.0/20IPv44,096CZ
217.194.160.0/20IPv44,096CZ
2001:67c:dd4::/48IPv6—CZ
2001:41d8::/32IPv6—CZ
2a00:1028::/29IPv6—CZ
2a02:9b8::/31IPv6—CZ