Autonomous System
AS30851 Sileman Sp. z o.o.
ISPActivePolandRIPE
AS30851 (SILEMAN-RUDASL-AS) is an ISP network operated by Sileman Sp. z o.o. in Poland, registered with RIPE. It has 29 IPv4 prefixes with 61,696 addresses, which makes it the 3,972nd largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses61,696in 29 prefixes
IPv6 prefixes0none
Size rank#3,972of 82,200 active ASNs
Details
OrganizationSileman Sp. z o.o.
AS nameSILEMAN-RUDASL-AS
Websitesileman.pl
Country Poland (PL)
Network typeISP
RegistryRIPE
Abuse contactabuse@sileman.pl
Registered2003-12-19
Last updated2026-03-09
IPv4 prefixes
29 prefixes · 61,696 addresses| Network | Addresses | First – last address |
|---|---|---|
| 85.11.64.0/18 | 16,384 | 85.11.64.0 – 85.11.127.255 |
| 85.11.64.0/20 | 4,096 | 85.11.64.0 – 85.11.79.255 |
| 85.11.80.0/20 | 4,096 | 85.11.80.0 – 85.11.95.255 |
| 85.11.96.0/20 | 4,096 | 85.11.96.0 – 85.11.111.255 |
| 85.11.112.0/20 | 4,096 | 85.11.112.0 – 85.11.127.255 |
| 85.198.192.0/20 | 4,096 | 85.198.192.0 – 85.198.207.255 |
| 85.198.208.0/20 | 4,096 | 85.198.208.0 – 85.198.223.255 |
| 85.198.224.0/20 | 4,096 | 85.198.224.0 – 85.198.239.255 |
| 85.11.88.0/21 | 2,048 | 85.11.88.0 – 85.11.95.255 |
| 85.198.240.0/21 | 2,048 | 85.198.240.0 – 85.198.247.255 |
| 83.142.168.0/22 | 1,024 | 83.142.168.0 – 83.142.171.255 |
| 83.142.172.0/22 | 1,024 | 83.142.172.0 – 83.142.175.255 |
| 85.198.220.0/22 | 1,024 | 85.198.220.0 – 85.198.223.255 |
| 85.198.252.0/22 | 1,024 | 85.198.252.0 – 85.198.255.255 |
| 193.24.204.0/22 | 1,024 | 193.24.204.0 – 193.24.207.255 |
| 217.173.160.0/22 | 1,024 | 217.173.160.0 – 217.173.163.255 |
| 217.173.164.0/22 | 1,024 | 217.173.164.0 – 217.173.167.255 |
| 217.173.168.0/22 | 1,024 | 217.173.168.0 – 217.173.171.255 |
| 217.173.172.0/22 | 1,024 | 217.173.172.0 – 217.173.175.255 |
| 85.11.110.0/23 | 512 | 85.11.110.0 – 85.11.111.255 |
| 217.173.168.0/23 | 512 | 217.173.168.0 – 217.173.169.255 |
| 217.173.170.0/23 | 512 | 217.173.170.0 – 217.173.171.255 |
| 83.142.170.0/24 | 256 | 83.142.170.0 – 83.142.170.255 |
| 83.142.171.0/24 | 256 | 83.142.171.0 – 83.142.171.255 |
| 83.142.173.0/24 | 256 | 83.142.173.0 – 83.142.173.255 |
85.11.64.0/18 85.11.64.0/20 85.11.80.0/20 85.11.96.0/20 85.11.112.0/20 85.198.192.0/20 85.198.208.0/20 85.198.224.0/20 85.11.88.0/21 85.198.240.0/21 83.142.168.0/22 83.142.172.0/22 85.198.220.0/22 85.198.252.0/22 193.24.204.0/22 217.173.160.0/22 217.173.164.0/22 217.173.168.0/22 217.173.172.0/22 85.11.110.0/23 217.173.168.0/23 217.173.170.0/23 83.142.170.0/24 83.142.171.0/24 83.142.173.0/24
The 25 largest of 29. The API and the database have all of them.
IPv6 prefixes
No IPv6 prefixes.
Query AS30851 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS30851&key=YOUR_API_KEY"
Any address in its prefixes resolves to AS30851, with or without a key:
curl "https://api.ipapi.is/?q=85.11.64.1"