Ian David Klemm

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks10 · 1,280 IPv4 addresses
IPv6 5 prefixes (largest 2a09:bfc7::/32)
Registered in Germany (5) · Netherlands (1)
Cluster ID214459413
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 13 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

6 weekly snapshots · JSON
14 0 netblocks since 2026-07-05
2026-07-05 peak 14 2026-07-26

IP Ranges (10)

⬇ export CSV
CIDR Org name Registry Status Confidence
77.90.44.0/24 Ian David Klemm BGP ANNOUNCED ● high
178.18.148.0/24 Ian David Klemm BGP ANNOUNCED ● high
178.251.228.0/24 Ian David Klemm BGP ANNOUNCED ● high
185.23.5.0/24 Ian David Klemm BGP ANNOUNCED ● high
194.110.175.0/24 Ian David Klemm BGP ANNOUNCED ● high
2a09:bfc7::/32 Ian David Klemm BGP ANNOUNCED ● high
2a09:bfc7:2000::/35 Ian David Klemm BGP ANNOUNCED ● high
2a0e:fd45:2d60::/48 Ian David Klemm BGP ANNOUNCED ● high
2a0e:fd45:2ec0::/48 Ian David Klemm BGP ANNOUNCED ● high
2a09:bfc7::/36 Ian David Klemm RIPE ALLOCATED-BY-LIR ● low

IPv6 ranges (5)

CIDR
2a09:bfc7::/32
2a09:bfc7:2000::/35
2a09:bfc7::/36
2a0e:fd45:2d60::/48
2a0e:fd45:2ec0::/48

Network trust

what's this?
RPKI hygiene: D how networks compare →
42.9% of checked blocks have valid RPKI ROA coverage (6 of 14)
Possible discrepancies (2)

These blocks are registered to Ian David Klemm 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.

178.251.228.0/24 /24 authorized for AS30823 — aurologic GmbH
178.251.228.0/24 /24 authorized for AS30823 — aurologic GmbH

NIC Handles

AS197614 AS200461 CIDR-EU-MNT DUMY-RIPE DUMY-RIPE GHOSTNET-MNT IANDK-MNT MEER-MNT MEER-MNT ORG-VA29631-RIPE RICK-MNT RICK-MNT +1 more