Jan Smyrek

Data as of 2026-08-16
BGP inherited
Cluster stats
Netblocks25 · 1,792 IPv4 addresses
IPv6 18 prefixes (largest 2a05:b0c6:3000::/36)
Registered in Germany (6) · United Kingdom (1)
All fragments 37 blocks across 2 clusters
Cluster ID222377006
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 20 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

8 weekly snapshots · JSON
37 +3 netblocks since 2026-07-05
2026-07-05 peak 37 2026-08-16

IP Ranges (25)

⬇ export CSV
CIDR Org name Registry Status Confidence
5.175.180.0/24 Jan Smyrek BGP ANNOUNCED ● high
5.175.225.0/24 Jan Smyrek BGP ANNOUNCED ● high
45.84.197.0/24 Jan Smyrek BGP ANNOUNCED ● high
77.90.16.0/24 Jan Smyrek BGP ANNOUNCED ● high
77.90.27.0/24 Jan Smyrek BGP ANNOUNCED ● high
89.213.208.0/24 Jan Smyrek BGP ANNOUNCED ● high
185.220.151.0/24 Jan Smyrek BGP ANNOUNCED ● high
2a0f:6284:c00::/48 Jan Smyrek BGP ANNOUNCED ● high
2a0f:6284:4300::/44 Jan Smyrek BGP ANNOUNCED ● high
2a0f:b240:4::/46 Jan Smyrek BGP ANNOUNCED ● high
2a14:7c0:7000::/40 Jan Smyrek BGP ANNOUNCED ● high
2a14:7c0:7100::/40 Jan Smyrek BGP ANNOUNCED ● high
2a14:7c0:7eff::/48 Jan Smyrek BGP ANNOUNCED ● high
2a14:7c0:7f00::/40 Jan Smyrek BGP ANNOUNCED ● high
2a05:b0c6:3000::/36 Jan Smyrek RIPE ALLOCATED-BY-LIR ● low
2a06:1283:d000::/38 Jan Smyrek RIPE ALLOCATED-BY-LIR ● low
2a06:8ac0:200::/44 Jan Smyrek RIPE ALLOCATED-BY-LIR ● low
2a0f:6284:c00::/40 Jan Smyrek RIPE ALLOCATED-BY-LIR ● low
2a0f:6284:c01::/48 Jan Smyrek RIPE ASSIGNED ● low
2a0f:6284:c02::/48 Jan Smyrek RIPE ASSIGNED ● low
2a0f:6284:ccc::/48 Jan Smyrek RIPE ASSIGNED ● low
2a0f:6284:4300::/40 Jan Smyrek RIPE ALLOCATED-BY-LIR ● low
2a0f:6284:4310::/48 Jan Smyrek RIPE ASSIGNED ● low
2a0f:6284:4311::/48 Jan Smyrek RIPE ASSIGNED ● low
2a14:7c0:7000::/36 Jan Smyrek RIPE ALLOCATED-BY-LIR ● low

IPv6 ranges (18)

showing the 15 largest allocations
CIDR
2a05:b0c6:3000::/36
2a14:7c0:7000::/36
2a06:1283:d000::/38
2a0f:6284:4300::/40
2a0f:6284:c00::/40
2a14:7c0:7000::/40
2a14:7c0:7100::/40
2a14:7c0:7f00::/40
2a06:8ac0:200::/44
2a0f:6284:4300::/44
2a0f:b240:4::/46
2a0f:6284:4310::/48
2a0f:6284:4311::/48
2a0f:6284:c00::/48
2a0f:6284:c01::/48

Network trust

what's this?
RPKI hygiene: A how networks compare →
96.3% of checked blocks have valid RPKI ROA coverage (26 of 27)
Possible discrepancies (5)

These blocks are registered to Jan Smyrek but cryptographically authorized for a different, unrelated network (5 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a0f:6284:4310::/48 /48 authorized for AS210106 — Adrian Hillmann
2a0f:6284:4311::/48 /48 authorized for AS61967 — telematis Netzwerke GmbH
45.84.197.0/24 /24 authorized for AS207252 — Felix Gassan
185.220.151.0/24 /24 authorized for AS205376 — Dirk Meyer
89.213.208.0/24 /24 authorized for AS834 — IPXO LLC

NIC Handles

AS214915 DM15507-RIPE-MNT DUMY-RIPE DUMY-RIPE FPS-Server-MNT GHOSTNET-MNT GOCODEIT-AUTO-MNT GOCODEIT-MNT HA5057-RIPE HYEHOST-MNT HYEHOST-MNT Host-Array-MNT +8 more