Jakub Skorek trading as MCG

Data as of 2026-08-09
BGP inherited
Cluster stats
Netblocks10 · 3,840 IPv4 addresses
IPv6 2 prefixes (largest 2a0c:2c80::/29)
Cluster ID217823420
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

7 weekly snapshots · JSON
12 0 netblocks since 2026-07-05
2026-07-05 peak 12 2026-08-09

IP Ranges (10)

⬇ export CSV
CIDR Org name Registry Status Confidence
192.162.144.0/22 Jakub Skorek trading as MCG BGP ANNOUNCED ● high
193.227.112.0/24 Jakub Skorek trading as MCG BGP ANNOUNCED ● high
2a0c:2c80::/48 Jakub Skorek trading as MCG RIPE ASSIGNED ● high
91.242.231.0/24 Jakub Skorek trading as MCG RIPE ALLOCATED PA ● medium
91.242.231.0/25 Jakub Skorek trading as MCG RIPE ASSIGNED PA ● medium
91.242.231.128/25 Jakub Skorek trading as MCG RIPE ASSIGNED PA ● medium
37.140.217.0/24 Jakub Skorek trading as MCG RIPE ALLOCATED PA ● low
45.86.32.0/22 Jakub Skorek trading as MCG RIPE ALLOCATED PA ● low
185.238.60.0/22 Jakub Skorek trading as MCG RIPE ALLOCATED PA ● low
2a0c:2c80::/29 Jakub Skorek trading as MCG RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (2)

CIDR
2a0c:2c80::/29
2a0c:2c80::/48

Network trust

what's this?
RPKI hygiene: C how networks compare →
66.7% of checked blocks have valid RPKI ROA coverage (8 of 12)
Possible discrepancies (1)

These blocks are registered to Jakub Skorek trading as MCG 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.

37.140.217.0/24 /24 authorized for AS3169 — Jacek Pasek BRK Network Devices

NIC Handles

AS197709 DUMY-RIPE DUMY-RIPE ORG-JSTA10-RIPE ORG-JSTA5-RIPE RIPE-NCC-END-MNT RIPE-NCC-HM-MNT pl-mcg-1-mnt pl-mcg-1-mnt