Florian Kolb

Data as of 2026-09-27
BGP inherited
This organisation
Netblocks37 · 8,448 IPv4 addresses
IPv6 6 prefixes (largest 2a0e:97c0:710::/44)
Registered in Germany (31) · United States (2)
Record ID246062925
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 24 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (37)

⬇ export CSV
CIDR Org name Registry Status Confidence
45.134.111.0/24 DATALIX-MNT RIPE ASSIGNED PA ● high
5.253.247.0/24 Florian Kolb BGP ANNOUNCED ● low
37.114.37.0/24 Florian Kolb BGP ANNOUNCED ● low
37.114.46.0/24 Florian Kolb BGP ANNOUNCED ● low
37.114.50.0/24 Florian Kolb BGP ANNOUNCED ● low
37.114.63.0/24 Florian Kolb BGP ANNOUNCED ● low
37.221.93.0/24 Florian Kolb BGP ANNOUNCED ● low
38.87.116.0/23 Florian Kolb BGP ANNOUNCED ● low
38.97.56.0/24 Florian Kolb BGP ANNOUNCED ● low
45.10.21.0/24 Florian Kolb BGP ANNOUNCED ● low
45.11.229.0/24 Florian Kolb BGP ANNOUNCED ● low
45.13.225.0/24 Florian Kolb BGP ANNOUNCED ● low
45.13.236.0/24 Florian Kolb BGP ANNOUNCED ● low
45.13.237.0/24 Florian Kolb BGP ANNOUNCED ● low
45.13.238.0/24 Florian Kolb BGP ANNOUNCED ● low
45.13.239.0/24 Florian Kolb BGP ANNOUNCED ● low
45.86.155.0/24 Florian Kolb BGP ANNOUNCED ● low
45.90.98.0/23 Florian Kolb BGP ANNOUNCED ● low
45.131.64.0/24 Florian Kolb BGP ANNOUNCED ● low
45.133.74.0/24 Florian Kolb BGP ANNOUNCED ● low
45.142.106.0/24 Florian Kolb BGP ANNOUNCED ● low
46.247.108.0/24 Florian Kolb BGP ANNOUNCED ● low
46.247.109.0/24 Florian Kolb BGP ANNOUNCED ● low
89.144.37.0/24 Florian Kolb BGP ANNOUNCED ● low
92.118.206.0/24 Florian Kolb BGP ANNOUNCED ● low
109.71.252.0/24 Florian Kolb BGP ANNOUNCED ● low
176.100.36.0/24 Florian Kolb BGP ANNOUNCED ● low
176.100.37.0/24 Florian Kolb BGP ANNOUNCED ● low
176.100.39.0/24 Florian Kolb BGP ANNOUNCED ● low
185.14.92.0/24 Florian Kolb BGP ANNOUNCED ● low
194.15.36.0/24 Florian Kolb BGP ANNOUNCED ● low
2a0e:97c0:3e3::/48 Florian Kolb BGP ANNOUNCED ● low
2a0e:97c0:710::/44 Florian Kolb RIPE ALLOCATED-BY-LIR ● low
2a0e:97c0:711::/48 Florian Kolb BGP ANNOUNCED ● low
2a0e:97c0:712::/48 Florian Kolb BGP ANNOUNCED ● low
2a0e:97c0:713::/48 Florian Kolb BGP ANNOUNCED ● low
2a0e:97c0:714::/48 Florian Kolb BGP ANNOUNCED ● low

IPv6 ranges (6)

CIDR
2a0e:97c0:710::/44
2a0e:97c0:3e3::/48
2a0e:97c0:711::/48
2a0e:97c0:712::/48
2a0e:97c0:713::/48
2a0e:97c0:714::/48

Footprint over time

14 weekly snapshots · JSON
39 -1 netblocks since 2026-07-05
2026-07-05 peak 41 2026-09-27

Network trust

what's this?
RPKI hygiene: A how networks compare →
97.4% of checked blocks have valid RPKI ROA coverage (38 of 39)
Possible discrepancies (9)

These blocks are registered to Florian Kolb but cryptographically authorized for a different, unrelated network (4 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

45.134.111.0/24 /24 authorized for AS152586 — Puneet Kalra
37.114.37.0/24 /24 authorized for AS47637 — INFERNA LIMITED
37.114.46.0/24 /24 authorized for AS57433 — intercolo GmbH
37.114.50.0/24 /24 authorized for AS57433 — intercolo GmbH
45.134.111.0/24 /24 authorized for AS152586 — Puneet Kalra
176.100.36.0/24 /24 authorized for AS47637 — INFERNA LIMITED
176.100.39.0/24 /24 authorized for AS57433 — intercolo GmbH
45.142.106.0/24 /24 authorized for AS207695 — Mario Kurz trading as LUME Solutions
45.134.111.0/24 /24 authorized for AS152586 — Puneet Kalra

NIC Handles

ACRO55257-RIPE ACRO55257-RIPE AS152586 AS218841 AS58087 DATALIX-MNT DATALIX-MNT DATALIX-MNT DUMY-RIPE DUMY-RIPE FK4477-RIPE FK4477-RIPE +12 more