Autonomous System
AS15744 Silesian University of Technology, Computer Centre
EducationActivePolandRIPE
AS15744 (SILWEB-AS-COM) is an education network operated by Silesian University of Technology, Computer Centre in Poland, registered with RIPE. It has 6 IPv4 prefixes with 45,056 addresses and 1 IPv6 prefix, which makes it the 4,529th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses45,056in 6 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#4,529of 82,200 active ASNs
Details
OrganizationSilesian University of Technology, Computer Centre
AS nameSILWEB-AS-COM
Websitepolsl.pl
Country Poland (PL)
Network typeEducation
RegistryRIPE
Abuse contactabuse@silweb.pl
Registered1970-01-01
Last updated2019-12-04
IPv4 prefixes
6 prefixes · 45,056 addresses| Network | Addresses | First – last address |
|---|---|---|
| 83.230.0.0/18 | 16,384 | 83.230.0.0 – 83.230.63.255 |
| 195.82.160.0/19 | 8,192 | 195.82.160.0 – 195.82.191.255 |
| 212.106.128.0/19 | 8,192 | 212.106.128.0 – 212.106.159.255 |
| 83.230.80.0/20 | 4,096 | 83.230.80.0 – 83.230.95.255 |
| 212.106.160.0/20 | 4,096 | 212.106.160.0 – 212.106.175.255 |
| 213.227.64.0/20 | 4,096 | 213.227.64.0 – 213.227.79.255 |
83.230.0.0/18 195.82.160.0/19 212.106.128.0/19 83.230.80.0/20 212.106.160.0/20 213.227.64.0/20
IPv6 prefixes
1 prefix- 2a01:1df::/32
2a01:1df::/32
Query AS15744 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=AS15744&key=YOUR_API_KEY"Any address in its prefixes resolves to AS15744, with or without a key:
curl "https://api.ipapi.is/?q=83.230.0.1"