HomeASN LookupAS57121

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
91.230.221.0/24
 Valid
RIPE
5/26/2026
176.96.144.0/21
 Valid
RIPE
5/26/2026
176.96.160.0/20
 Valid
RIPE
5/26/2026
192.109.84.0/23
 Valid
RIPE
5/26/2026
192.109.132.0/23
 Valid
RIPE
5/26/2026

Allocated Prefixes

(RIR)55
Prefix
Country
RIR
Status
91.230.221.0/24🇵🇱 PLRIPENCCallocated
91.230.221.1/32🇵🇱 PLRIPEassigned
91.230.221.2/31🇵🇱 PLRIPEassigned
91.230.221.4/30🇵🇱 PLRIPEassigned
91.230.221.8/29🇵🇱 PLRIPEassigned
91.230.221.16/28🇵🇱 PLRIPEassigned
91.230.221.32/27🇵🇱 PLRIPEassigned
91.230.221.64/26🇵🇱 PLRIPEassigned
91.230.221.128/25🇵🇱 PLRIPEassigned
176.96.144.0/21🇵🇱 PLRIPENCCallocated
1–10 of 55
1 / 6
ASPA
No ASPA
Abuse Contact
External Links
RIPE WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/57121

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/57121" | jq