Antoni Kois

Data as of 2026-09-06
BGP inherited
This organisation
Netblocks9 · 1,056 IPv4 addresses
IPv6 1 prefix (largest 2a0b:4e07:da::/48)
Registered in Poland (7) · LT (2) · Germany (1)
Record ID236339615
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 15 shared RIR contact/maintainer handles
Registry names 5 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (9)

⬇ export CSV
CIDR Org name Registry Status Confidence
89.117.242.128/29 antoni-flavio-NET RIPE ASSIGNED PA ● high
89.117.242.240/28 antoni-flavio-NET RIPE ASSIGNED PA ● high
91.197.241.0/24 Antoni Kois BGP ANNOUNCED ● high
91.224.118.0/24 Antoni Kois BGP ANNOUNCED ● high
91.224.118.0/23 Antoni Kois RIPE ASSIGNED PI ● high
91.224.119.0/24 Antoni Kois BGP ANNOUNCED ● high
91.231.125.0/24 Antoni Kois RIPE ASSIGNED PI ● high
213.172.107.184/29 ANTONI-NET1 RIPE ASSIGNED PA ● low
2a0b:4e07:da::/48 Antoni_Grzymala RIPE ASSIGNED ● low

IPv6 ranges (1)

CIDR
2a0b:4e07:da::/48

Footprint over time

11 weekly snapshots · JSON
11 +3 netblocks since 2026-07-05
2026-07-05 peak 11 2026-09-06

Network trust

what's this?
RPKI hygiene: B how networks compare →
90.9% of checked blocks have valid RPKI ROA coverage (10 of 11)
Possible discrepancies (1)

These blocks are registered to Antoni Kois but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a0b:4e07:da::/48 /48 authorized for AS205305 — Gabriel Peron

NIC Handles

AFRO3-RIPE AS56441 BACLOUD-MNT DUMY-RIPE DUMY-RIPE GABRIEL-PERON-MNT LEON-MNT MK-NETZDIENSTE-MNT MNT-TELEFONSERWIS MNT-TELEFONSERWIS ORG-AK242-RIPE RIPE-NCC-END-MNT +3 more