AS203157
Lukasz Kazimierczak Cronel — cronel.pl
Summary
| Country |
 Poland
|
| Organization | Lukasz Kazimierczak Cronel |
| Domain | cronel.pl |
| Number of IPv4 | 1,280 |
| Number of IPv6 | 3.1691× 1029 |
| AS Type | ISP |
| Registry | RIPE NCC |
| Allocated | March 18, 2016 (about 10 years ago) |
| Updated | July 30, 2026 (about 3 days ago) |
IP Ranges
AS203157 announces 2 IPv4 ranges and 2 IPv6 ranges.
That's a total of 1,280 IPv4 addresses and 3.1691× 1029 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 91.222.108.0/22 |
Phu It-serwis Tomasz Mozdzen
|
1,024 | RIPE NCC | ASSIGNED PI |
| 185.122.174.0/24 |
Lukasz Kazimierczak Cronel
|
256 | RIPE NCC | ASSIGNED PA |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2a0b:79c0::/30 |
Krzysztof Sebastian Widerkiewicz Trading AS Luteklan.pl
|
3.1691× 1029 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a10:f781:10:3db2::/64 |
EPIX-LORA
|
1.8447× 1019 | RIPE NCC | ALLOCATED-BY-LIR |
Peers
AS203157 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
Upstreams
AS203157 connects to the global Internet via at least 6 upstream providers. In this setup, AS203157 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS203157 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS203157's role in extending Internet access beyond its own infrastructure.