AS57121
🇵🇱IT-SYSTEMATIC-GROUP Piotr Bukowczyk trading as IT Systematic GroupORG-PBTA4-RIPE
RIPENCCallocated
Announced Prefixes (BGP)
5total
5 IPv40 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)14,843
Announced (BGP)7,424
IPv6 Addresses ⓘ
Allocated (RIR)6.3×10^29
Announced (BGP)0
Prefix Limit (IPv4)
20
Prefix Limit (IPv6)
5
Country
🇵🇱 PL
RIR
RIPENCC
Status
allocated
Allocated
7/25/2011
Announced Prefixes
(BGP)5|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | 5/26/2026 | |
| Valid | RIPE | 5/26/2026 | |
| Valid | RIPE | 5/26/2026 | |
| Valid | RIPE | 5/26/2026 | |
| Valid | RIPE | 5/26/2026 |
Allocated Prefixes
(RIR)55Prefix | Country | RIR | Status |
|---|---|---|---|
| 91.230.221.0/24 | 🇵🇱 PL | RIPENCC | allocated |
| 91.230.221.1/32 | 🇵🇱 PL | RIPE | assigned |
| 91.230.221.2/31 | 🇵🇱 PL | RIPE | assigned |
| 91.230.221.4/30 | 🇵🇱 PL | RIPE | assigned |
| 91.230.221.8/29 | 🇵🇱 PL | RIPE | assigned |
| 91.230.221.16/28 | 🇵🇱 PL | RIPE | assigned |
| 91.230.221.32/27 | 🇵🇱 PL | RIPE | assigned |
| 91.230.221.64/26 | 🇵🇱 PL | RIPE | assigned |
| 91.230.221.128/25 | 🇵🇱 PL | RIPE | assigned |
| 176.96.144.0/21 | 🇵🇱 PL | RIPENCC | allocated |
1–10 of 55
1 / 6
ASPA
No ASPA
Abuse Contact
External Links
API
Open https://api.ipctl.io/v1/asn/57121Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/57121" | jq