3K33 sp. z o.o.
BGP inherited
Cluster stats
Netblocks26
Cluster ID191734642
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 19 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
26 0 netblocks since 2026-07-05
2026-07-05 peak 26 2026-07-06

IP Ranges (26)

⬇ export CSV
CIDR Org name Registry Status Confidence
65.87.223.0/24 3K33 sp. z o.o. BGP ANNOUNCED ● high
65.87.223.0/24 3K33 sp. z o.o. RIPE SUB-ALLOCATED PA ● high
144.79.58.0/24 3K33 sp. z o.o. BGP ANNOUNCED ● high
144.79.59.0/24 3K33 sp. z o.o. BGP ANNOUNCED ● high
151.245.112.0/24 3K33 sp. z o.o. BGP ANNOUNCED ● high
185.0.16.81/32 3K33 sp. z o.o. PEERINGDB ASSIGNED ● high
2001:df6:62c0::/48 3K33 sp. z o.o. BGP ANNOUNCED ● high
2a14:1ec7:f710::/44 3K33 sp. z o.o. BGP ANNOUNCED ● high
2a14:1ec7:f730::/44 3K33 sp. z o.o. BGP ANNOUNCED ● high
2a14:1ec7:f740::/44 3K33 sp. z o.o. RIPE ASSIGNED ● high
2a14:1ec7:f740::/44 3K33 sp. z o.o. BGP ANNOUNCED ● high
2a14:1ec7:f7fe::/48 3K33 sp. z o.o. BGP ANNOUNCED ● high
2a14:1ec7:f7ff::/48 3K33 sp. z o.o. RIPE ASSIGNED ● high
2a14:1ec7:f7ff::/48 3K33 sp. z o.o. BGP ANNOUNCED ● high
2a14:67c3:2aa::/48 3K33 sp. z o.o. BGP ANNOUNCED ● high
2001:df6:62c0::/48 3K33 sp. z o.o. APNIC ASSIGNED PORTABLE ● medium
2a14:1ec7:f730::/44 3K33 sp. z o.o. RIPE ASSIGNED ● medium
144.79.58.0/23 3K33 sp. z o.o. APNIC ALLOCATED PORTABLE ● low
150.241.203.0/24 3K33 sp. z o.o. RIPE LEGACY ● low
151.245.112.0/24 3K33 sp. z o.o. RIPE ASSIGNED PA ● low
2a14:1ec7:f700::/40 3K33 sp. z o.o. RIPE ALLOCATED-BY-LIR ● low
2a14:1ec7:f700::/44 3K33 sp. z o.o. RIPE ASSIGNED ● low
2a14:1ec7:f710::/44 3K33 sp. z o.o. RIPE ASSIGNED ● low
2a14:1ec7:f720::/44 3K33 sp. z o.o. RIPE ASSIGNED ● low
2a14:1ec7:f7fd::/48 3K33 sp. z o.o. RIPE ASSIGNED ● low
2a14:1ec7:f7fe::/48 3K33 sp. z o.o. RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: B how networks compare →
92.3% of checked blocks have valid RPKI ROA coverage (24 of 26)
Possible discrepancies (3)

These blocks are registered to 3K33 sp. z o.o. but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a14:1ec7:f700::/44 /44 authorized for AS397423 — Tier.Net Technologies LLC
2a14:1ec7:f720::/44 /44 authorized for AS19318 — Interserver, Inc
150.241.203.0/24 /24 authorized for AS19318 — Interserver, Inc

NIC Handles

ACRO61912-RIPE AM4183-AP APNIC-HM AS141409 AS203662 AS203662 DUMY-RIPE DUMY-RIPE FUMOFUMO-MNT MAINT-M3K33SPZOO-AP ORG-SZO1-AP ORG-SZO26-RIPE +7 more