AS16246
O2 Czech Republic, A.S. — o2.cz
Summary
| Country |
 Czechia
|
| Organization | O2 Czech Republic, A.S. |
| Domain | o2.cz |
| Number of IPv4 | 135,168 |
| Number of IPv6 | 8.7151× 1029 |
| AS Type | ISP |
| Registry | RIPE NCC |
| Allocated | October 21, 2003 (about 21 years ago) |
| Updated | June 20, 2024 (about 10 months ago) |
IP Ranges
AS16246 announces 14 IPv4 ranges and 4 IPv6 ranges.
That's a total of 135,168 IPv4 addresses and 8.7151× 1029 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 77.87.232.0/21 |
O2 Czech Republic, A.S.
|
2,048 | RIPE NCC | ASSIGNED PI |
| 78.108.144.0/21 |
PorubaNET
|
2,048 | RIPE NCC | ASSIGNED PA |
| 78.108.152.0/21 |
Assignment for Porubanet's Fo Customers
|
2,048 | RIPE NCC | ASSIGNED PA |
| 82.150.160.0/19 |
CustomersPeers
|
8,192 | RIPE NCC | ASSIGNED PA |
| 86.63.192.0/19 |
RIONET
|
8,192 | RIPE NCC | ASSIGNED PA |
| 91.197.116.0/22 |
O2 Czech Republic, A.S.
|
1,024 | RIPE NCC | ASSIGNED PI |
| 92.240.160.0/19 |
RIOMEDIA
|
8,192 | RIPE NCC | ASSIGNED PA |
| 94.74.192.0/18 |
O2 Czech Republic, A.S.
|
16,384 | RIPE NCC | ALLOCATED PA |
| 95.143.128.0/20 |
Ltnet.cz Infrastructure
|
4,096 | RIPE NCC | ASSIGNED PA |
| 176.98.96.0/20 |
O2 Czech Republic, A.S.
|
4,096 | RIPE NCC | ALLOCATED PA |
| 178.17.96.0/20 |
NEJCZ CATR
|
4,096 | RIPE NCC | ASSIGNED PA |
| 185.15.252.0/22 |
Sporknet S.R.O.
|
1,024 | RIPE NCC | ASSIGNED PA |
| 188.175.0.0/16 |
Riomedia Frydek Mistek
|
65,536 | RIPE NCC | ASSIGNED PA |
| 213.180.32.0/19 |
Riomedia Network Prague
|
8,192 | RIPE NCC | ASSIGNED PA |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2a00:1e60::/32 |
O2 Czech Republic, A.S.
|
7.9228× 1028 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a00:d480::/32 |
O2 Czech Republic, A.S.
|
7.9228× 1028 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a02:350::/29 |
Nej.cz S.R.O.
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-LIR |
| 2a03:b4c0::/32 |
Sporknet S.R.O.
|
7.9228× 1028 | RIPE NCC | ASSIGNED |
Peers
AS16246 does not have any direct peering agreements. Instead, its global connectivity is achieved through transit providers. While this setup ensures comprehensive reach, future peering could reduce latency and optimize route efficiency.
Upstreams
AS16246 connects to the global Internet via at least 1 upstream provider. In this setup, AS16246 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS16246 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS16246's role in extending Internet access beyond its own infrastructure.