Florian Kolb

Data as of 2026-08-09
BGP inherited
Cluster stats
Netblocks37 · 8,448 IPv4 addresses
IPv6 6 prefixes (largest 2a0e:97c0:710::/44)
Registered in Germany (29) · United States (2)
Cluster ID218226100
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 10 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
37 -3 netblocks since 2026-07-05
2026-07-05 peak 41 2026-08-09

IP Ranges (37)

⬇ export CSV
CIDR Org name Registry Status Confidence
5.253.247.0/24 Florian Kolb BGP ANNOUNCED ● medium
37.114.37.0/24 Florian Kolb BGP ANNOUNCED ● medium
37.114.46.0/24 Florian Kolb BGP ANNOUNCED ● medium
37.114.50.0/24 Florian Kolb BGP ANNOUNCED ● medium
37.114.63.0/24 Florian Kolb BGP ANNOUNCED ● medium
37.221.93.0/24 Florian Kolb BGP ANNOUNCED ● medium
38.87.116.0/23 Florian Kolb BGP ANNOUNCED ● medium
38.97.56.0/24 Florian Kolb BGP ANNOUNCED ● medium
45.10.21.0/24 Florian Kolb BGP ANNOUNCED ● medium
45.11.229.0/24 Florian Kolb BGP ANNOUNCED ● medium
45.13.225.0/24 Florian Kolb BGP ANNOUNCED ● medium
45.13.236.0/24 Florian Kolb BGP ANNOUNCED ● medium
45.13.237.0/24 Florian Kolb BGP ANNOUNCED ● medium
45.13.238.0/24 Florian Kolb BGP ANNOUNCED ● medium
45.13.239.0/24 Florian Kolb BGP ANNOUNCED ● medium
45.86.155.0/24 Florian Kolb BGP ANNOUNCED ● medium
45.90.98.0/23 Florian Kolb BGP ANNOUNCED ● medium
45.131.64.0/24 Florian Kolb BGP ANNOUNCED ● medium
45.133.74.0/24 Florian Kolb BGP ANNOUNCED ● medium
45.142.106.0/24 Florian Kolb BGP ANNOUNCED ● medium
46.247.108.0/24 Florian Kolb BGP ANNOUNCED ● medium
46.247.109.0/24 Florian Kolb BGP ANNOUNCED ● medium
89.144.37.0/24 Florian Kolb BGP ANNOUNCED ● medium
92.118.206.0/24 Florian Kolb BGP ANNOUNCED ● medium
94.249.195.0/24 Florian Kolb BGP ANNOUNCED ● medium
109.71.252.0/24 Florian Kolb BGP ANNOUNCED ● medium
176.100.36.0/24 Florian Kolb BGP ANNOUNCED ● medium
176.100.37.0/24 Florian Kolb BGP ANNOUNCED ● medium
176.100.39.0/24 Florian Kolb BGP ANNOUNCED ● medium
185.14.92.0/24 Florian Kolb BGP ANNOUNCED ● medium
194.15.36.0/24 Florian Kolb BGP ANNOUNCED ● medium
2a0e:97c0:3e3::/48 Florian Kolb BGP ANNOUNCED ● medium
2a0e:97c0:711::/48 Florian Kolb BGP ANNOUNCED ● medium
2a0e:97c0:712::/48 Florian Kolb BGP ANNOUNCED ● medium
2a0e:97c0:713::/48 Florian Kolb BGP ANNOUNCED ● medium
2a0e:97c0:714::/48 Florian Kolb BGP ANNOUNCED ● medium
2a0e:97c0:710::/44 Florian Kolb RIPE ALLOCATED-BY-LIR ● 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

Network trust

what's this?
RPKI hygiene: A how networks compare →
97.3% of checked blocks have valid RPKI ROA coverage (36 of 37)
Possible discrepancies (6)

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

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
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

NIC Handles

AS58087 DATALIX-MNT DUMY-RIPE DUMY-RIPE GHOSTNET-MNT MNT-INTERCOLO MOS-IP-MNT ORG-DA1371-RIPE SBMT dataflair-mnt