AS30851
Sileman Sp. Z O.O. — sileman.pl
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Summary
| Country |
 Poland
|
| Organization | Sileman Sp. Z O.O. |
| Domain | sileman.pl |
| Number of IPv4 | 59,392 |
| Number of IPv6 | 7.9228× 1028 |
| AS Type | ISP |
| Registry | RIPE NCC |
| Allocated | December 19, 2003 (about 22 years ago) |
| Updated | July 15, 2025 (about 4 months ago) |
IP Ranges
AS30851 announces 24 IPv4 ranges and 2 IPv6 ranges.
That's a total of 59,392 IPv4 addresses and 7.9228× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 83.142.168.0/22 |
Sileman Sp. Z O.O.
|
1,024 | RIPE NCC | ALLOCATED PA |
| 83.142.170.0/24 |
SILEMAN-TEST-DWIRS2
|
256 | RIPE NCC | ASSIGNED PA |
| 83.142.171.0/24 |
SILEMAN-TEST-BLISS
|
256 | RIPE NCC | ASSIGNED PA |
| 83.142.172.0/24 |
SILEMAN-TEST-DWIRS3
|
256 | RIPE NCC | ASSIGNED PA |
| 83.142.173.0/24 |
SILEMAN-TEST-DWIRS4
|
256 | RIPE NCC | ASSIGNED PA |
| 83.142.174.0/24 |
SILEMAN-TEST-DWIRS5
|
256 | RIPE NCC | ASSIGNED PA |
| 83.142.175.0/24 |
SILEMAN-TEST-DWIRS6
|
256 | RIPE NCC | ASSIGNED PA |
| 85.11.64.0/18 |
Sileman Sp. Z O.O.
|
16,384 | RIPE NCC | ALLOCATED PA |
| 85.11.88.0/21 |
Interpc Service Provider
|
2,048 | RIPE NCC | ASSIGNED PA |
| 85.11.110.0/23 |
Comp-net (network Branch in Radzionkow)
|
512 | RIPE NCC | ASSIGNED PA |
| 85.198.192.0/20 |
Interpc - Public Services And Home End-users
|
4,096 | RIPE NCC | ASSIGNED PA |
| 85.198.208.0/20 |
Comp-net (network Branch in Radzionkow)
|
4,096 | RIPE NCC | ASSIGNED PA |
| 85.198.224.0/20 |
Pl 40-541 Katowice Ul. Rzepakowa 6
|
4,096 | RIPE NCC | ASSIGNED PA |
| 85.198.240.0/20 |
Sileman Sp. Z O.O.
|
4,096 | RIPE NCC | ALLOCATED PA |
| 93.176.192.0/20 |
VECTRA S.A.
|
4,096 | RIPE NCC | ALLOCATED PA |
| 93.176.208.0/20 |
VECTRA S.A.
|
4,096 | RIPE NCC | ALLOCATED PA |
| 93.176.224.0/20 |
VECTRA S.A.
|
4,096 | RIPE NCC | ALLOCATED PA |
| 93.176.240.0/20 |
VECTRA S.A.
|
4,096 | RIPE NCC | ALLOCATED PA |
| 193.24.204.0/22 |
Nctir Wieslaw Zurek
|
1,024 | RIPE NCC | ASSIGNED PI |
| 217.173.160.0/22 |
Sileman Sp. Z O.O.
|
1,024 | RIPE NCC | ASSIGNED PA |
| 217.173.164.0/22 |
Sileman Sp. Z O.O.
|
1,024 | RIPE NCC | ALLOCATED PA |
| 217.173.168.0/23 |
Sileman Sp. Z O.O.
|
512 | RIPE NCC | ALLOCATED PA |
| 217.173.170.0/23 |
Sileman Sp. Z O.O.
|
512 | RIPE NCC | ALLOCATED PA |
| 217.173.172.0/22 |
Sileman Sp. Z O.O.
|
1,024 | RIPE NCC | ALLOCATED PA |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2a00:1d60::/32 |
Sileman Sp. Z O.O.
|
7.9228× 1028 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a10:f781:10:8093::/64 |
EPIX-LORA
|
1.8447× 1019 | RIPE NCC | ALLOCATED-BY-LIR |
Peers
AS30851 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
AS30851 connects to the global Internet via at least 4 upstream providers. In this setup, AS30851 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS30851 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS30851's role in extending Internet access beyond its own infrastructure.