Centronet, a.s.
Centronet, a.s. uses 14,176 IPv4 addresses in 33 ranges, and 3 IPv6 ranges, by the registry records IP Company reads.
Who routes its space
The networks announcing its IPv4, by the addresses each announces.
Where its space is
Its IPv4 that IP Geolocation places, by country. A /24 counts for the company using most of it.
- Czechia14,592 · 100.00%
Networks it operates
The autonomous systems registered under its domain, by the IPv4 each announces anywhere.
How its networks peer
Each network's peering policy, traffic, ratio and reach as its operator states them, with the internet exchanges and facilities it is at.
| ASN | POLICY | TRAFFIC | RATIO | SCOPE | EXCHANGES | FACILITIES |
|---|---|---|---|---|---|---|
| AS29321 | Open | 10-20Gbps | Mostly Inbound | Europe | 0 | 1 |
Facilities
The datacenters and colocation sites its networks are in: 1 in one country.
| FACILITY | WHERE |
|---|---|
| CE Colo Prague | Prague, Czechia |
What the databases see
Addresses each address-keyed database holds in its IPv4, as a share of it, with the largest providers. A /24 counts for the company using most of it; counts overlap.
Speed tests
Speeds measured from its space in the last 90 days.
Its address ranges
Its largest IPv4 ranges, then its IPv6 ones, as IP Company draws them, a CIDR a row, with the network announcing each.
| RANGE | IPV4 | ORIGIN |
|---|---|---|
| 109.239.67.0/24 | 256 | AS29321 |
| 109.239.68.0/22 | 1,024 | AS29321 |
| 109.239.72.0/21 | 2,048 | AS29321 |
| 80.243.99.0/24 | 256 | AS29321 |
| 80.243.100.0/22 | 1,024 | AS29321 |
| 80.243.104.0/21 | 2,048 | AS29321 |
| 194.59.240.0/22 | 1,024 | AS29321 |
| 217.195.168.0/22 | 1,024 | AS29321 |
| 94.143.168.0/22 | 1,024 | AS29321 |
| 94.143.173.0/24 | 256 | AS29321 |
| 94.143.174.0/23 | 512 | AS29321 |
| 217.195.174.0/23 | 512 | AS29321 |
| 217.195.165.128/25 | 128 | AS29321 |
| 217.195.166.0/24 | 256 | AS29321 |
| 109.239.64.0/24 | 256 | AS29321 |
| 109.239.65.0/24 | 256 | AS29321 |
| 217.195.163.0/24 | 256 | AS29321 |
| 217.195.167.0/24 | 256 | AS29321 |
| 217.195.172.0/24 | 256 | AS29321 |
| 217.195.173.0/24 | 256 | AS29321 |
| 80.243.96.0/24 | 256 | AS29321 |
| 80.243.97.0/24 | 256 | AS29321 |
| 94.143.172.0/24 | 256 | AS29321 |
| 217.195.165.0/25 | 128 | AS29321 |
| 217.195.160.0/26 | 64 | AS29321 |
| 217.195.162.152-217.195.162.203 | 52 | AS29321 |
| 217.195.164.208/28 | 16 | AS29321 |
| 217.195.164.224/27 | 32 | AS29321 |
| 217.195.164.152/29 | 8 | AS29321 |
| 217.195.164.160/27 | 32 | AS29321 |
| 217.195.164.0/27 | 32 | AS29321 |
| 217.195.162.88/29 | 8 | AS29321 |
| 217.195.162.96/28 | 16 | AS29321 |
| 217.195.164.96/28 | 16 | AS29321 |
| 217.195.164.112/29 | 8 | AS29321 |
| 217.195.162.128/28 | 16 | AS29321 |
| 217.195.162.208/29 | 8 | AS29321 |
| 217.195.162.224/29 | 8 | AS29321 |
| 217.195.162.248/29 | 8 | AS29321 |
| 217.195.164.48/29 | 8 | AS29321 |
| 217.195.164.80/29 | 8 | AS29321 |
| 217.195.164.88/29 | 8 | AS29321 |
| 95.80.217.140/30 | 4 | AS29208 |
| 2a02:b20:101::-2a02:b20:ffff:ffff:ffff:ffff:ffff:ffff | AS29321 | |
| 2a02:b20:1::-2a02:b20:ff:ffff:ffff:ffff:ffff:ffff | AS29321 | |
| 2a02:b20::/48 | AS29321 |
Names it registers under
The holder names its registry records give, by the IPv4 under each.
- Centronet, a.s.10,632 · 75.00%
- O2 Czech Republic, a.s.2,892 · 20.40%
- CentroNet, a.s.384 · 2.71%
- CENTRONET256 · 1.81%
- SachsenFonds Asset management Czech s.r.o.8 · 0.06%
- SachsenFonds Asset Management Czech, s.r.o.4 · 0.03%
- CentroNet a.s.0 · 0.00%
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