MARCIN MALOLEPSZY @ALFANET

BGP inherited
Cluster stats
Netblocks14 · 12,023 IPv4 addresses
Cluster ID204399747
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 11 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

4 weekly snapshots · JSON
14 0 netblocks since 2026-07-05
2026-07-05 peak 14 2026-07-13

IP Ranges (14)

⬇ export CSV
CIDR Org name Registry Status Confidence
31.42.0.0/20 MARCIN MALOLEPSZY @ALFANET BGP ANNOUNCED ● high
178.216.40.77/32 MARCIN MALOLEPSZY @ALFANET PEERINGDB ASSIGNED ● high
185.19.116.0/22 MARCIN MALOLEPSZY @ALFANET BGP ANNOUNCED ● high
185.55.67.0/24 MARCIN MALOLEPSZY @ALFANET BGP ANNOUNCED ● high
195.88.28.0/23 MARCIN MALOLEPSZY @ALFANET BGP ANNOUNCED ● high
2001:7f8:5b::77/128 MARCIN MALOLEPSZY @ALFANET PEERINGDB ASSIGNED ● high
2a00:40a0::/40 MARCIN MALOLEPSZY @ALFANET BGP ANNOUNCED ● high
2a02:4a40:101::/48 MARCIN MALOLEPSZY @ALFANET BGP ANNOUNCED ● high
31.42.0.0/20 MARCIN MALOLEPSZY @ALFANET RIPE ASSIGNED PI ● low
185.19.116.0/24 MARCIN MALOLEPSZY @ALFANET RIPE ASSIGNED PA ● low
185.19.116.0/22 MARCIN MALOLEPSZY @ALFANET RIPE ALLOCATED PA ● low
185.19.117.0/24 MARCIN MALOLEPSZY @ALFANET RIPE ASSIGNED PA ● low
195.88.28.0/23 MARCIN MALOLEPSZY @ALFANET RIPE ASSIGNED PI ● low
2a00:40a0::/32 MARCIN MALOLEPSZY @ALFANET RIPE ALLOCATED-BY-RIR ● low

Network trust

what's this?
RPKI hygiene: F how networks compare →
14.3% of checked blocks have valid RPKI ROA coverage (2 of 14)
No discrepancies found among checked blocks.

NIC Handles

ALFANET-MNT ALFANET-MNT AS49528 AS49528 DUMY-RIPE DUMY-RIPE MNT-AENET NETIA-MNT ORG-MM61-RIPE RIPE-NCC-END-MNT RIPE-NCC-HM-MNT