AS198050 Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j. 🇵🇱 PL
Announcing 10 prefixes, seen at the RIS collectors.
IPv4 prefixes
9
5,120 (20 × /24)
IPv6 prefixes
1
8 × /32
Upstreams
3
transit providers observed
Peers
1
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS198050
- Name
- Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j.
- Organisation
- ALFA-SYSTEM M. Piwowarski, A. Widera Spolka Jawna
- Country
- 🇵🇱 PL
- RIR
- RIPENCC
- Allocated
- 2011-09-14
- Network type
- Cable/DSL/ISP
- Traffic levels
- 5-10Gbps
- Scope
- Regional
- Peering policy
- Open
- IRR as-set
- AS198050:AS-ALFA-SYSTEM
- Website
- https://alfa-system.pl
- PeeringDB
- net/11007
- Exchanges
- 2
- Facilities
- 1
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
10 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 5.253.230.0/24 v4 | RPKI valid | 47 | 24482198050 | 2026-09-18 |
| 64.46.124.0/24 v4 | RPKI valid | 47 | 24482198050 | 2026-09-18 |
| 64.190.43.0/24 v4 | RPKI valid | 47 | 24482198050 | 2026-09-18 |
| 91.231.70.0/23 v4 | RPKI valid | 47 | 24482198050 | 2026-09-18 |
| 91.231.80.0/22 v4 | RPKI valid | 47 | 24482198050 | 2026-09-18 |
| 176.97.24.0/21 v4 | RPKI valid | 47 | 24482198050 | 2026-09-18 |
| 194.169.138.0/24 v4 | RPKI valid | 47 | 24482198050 | 2026-09-18 |
| 209.162.203.0/24 v4 | RPKI valid | 47 | 24482198050 | 2026-09-18 |
| 212.47.33.0/24 v4 | RPKI valid | 47 | 24482198050 | 2026-09-18 |
| 2a0f:1700::/29 v6 | RPKI valid | 38 | 24482198050 | 2026-09-18 |