Data as of Nov 8, 2026
217.197.102.0/24
No anonymizer space · no proxy exits in 30 daysMarek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Oct 30, 2026
from AS201990 Jakub Bartlomiej Osuch trading as Techgroup
Network & registry
Origin network
AS198050
PL
- Name
- Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j.
- Type
- Internet provider
- Registered
- Sep 14, 2011
- Domain
- alfa-system.pl
- Website
- alfa-system.pl
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2023
- Current origin since
- Oct 30, 2026 · under a month
- Origin networks
- 2
- Last change of origin
- Oct 30, 2026
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 217.
197. 102. 0/ 24 - Netname
- PL-ALFA-SYSTEM-20230515
- Registrant
- Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j.
- Registrant country
- PL
- Organization
- Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j. (ORG-MPTA12-RIPE)
- Org country
- PL
- Type
- ALLOCATED PA
- Created
- Oct 28, 2026
- Updated
- Oct 28, 2026
- Maintainer
- lir-pl-alfa-system-1-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- May 15, 2023
- Status
- assigned
Report abuse
Abuse contact
- abuse@
alfa-system. pl - Name
- Abuse-C Role
- Handle
- AR76225-RIPE