Data as of Nov 9, 2026
91.230.221.0/24
No anonymizer space · no proxy exits in 30 daysPiotr Bukowczyk trading as IT Systematic Group
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 91.230.221.0/24 | 256 | PL-SYSTEMATIC-20110722 | Piotr Bukowczyk trading as IT Systematic Group (ORG-PBTA4-RIPE) · PL | ALLOCATED PA | Oct 11, 2019 | abuse@ |
| └ 91. | 255 | PL-SYSTEMATIC | Piotr Bukowczyk trading as IT Systematic Group (ORG-PBTA4-RIPE) · PL | ASSIGNED PA | Apr 13, 2021 | abuse@ |
Network & registry
Origin network
AS57121
PL
- Name
- Piotr Bukowczyk trading as IT Systematic Group
- Type
- Internet provider
- Registered
- Jul 25, 2011
- Domain
- systematic.pl
- Website
- systematic.pl
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2011
- Current origin since
- Nov 2011 · 15 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 91.
230. 221. 0/ 24 - Netname
- PL-SYSTEMATIC-20110722
- Registrant
- Piotr Bukowczyk trading as IT Systematic Group
- Registrant country
- PL
- Organization
- Piotr Bukowczyk trading as IT Systematic Group (ORG-PBTA4-RIPE)
- Org country
- PL
- Type
- ALLOCATED PA
- Created
- Oct 11, 2019
- Updated
- Oct 11, 2019
- Maintainer
- mnt-pl-systematic-1
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- Jul 22, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
systematic. pl - Name
- Abuse-C Role
- Handle
- AR56032-RIPE