Posteo e.K.

BGP inherited
Cluster stats
Netblocks8 · 1,533 IPv4 addresses
Cluster ID210442479
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 7 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
8 0 netblocks since 2026-07-05
2026-07-05 peak 8 2026-07-19

Domains hosted in this network

what's this?
posteo.de

IP Ranges (8)

⬇ export CSV
CIDR Org name Registry Status Confidence
185.67.36.0/24 Posteo e.K. RIPE ASSIGNED PA ● high
185.67.37.0/24 Posteo e.K. RIPE ASSIGNED PA ● high
2a05:bc0:1000::/48 Posteo e.K. RIPE ASSIGNED ● high
2a05:bc0:1001::/48 Posteo e.K. RIPE ASSIGNED ● high
2a05:bc1::/48 Posteo e.K. RIPE ASSIGNED ● high
2a05:bc1:8000::/48 Posteo e.K. RIPE ASSIGNED ● high
185.67.36.0/22 Posteo e.K. RIPE ALLOCATED PA ● low
2a05:bc0::/29 Posteo e.K. RIPE ALLOCATED-BY-RIR ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (8 of 8)
Possible discrepancies (5)

These blocks are registered to Posteo e.K. but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a05:bc0:1000::/48 /48 authorized for AS8495 — INTERNET AG Global Network
2a05:bc0:1001::/48 /48 authorized for AS8495 — INTERNET AG Global Network
2a05:bc1::/48 /48 authorized for AS6825 — Ray Connect GmbH
185.67.37.0/24 /24 authorized for AS8495 — INTERNET AG Global Network
185.67.36.0/24 /24 authorized for AS8495 — INTERNET AG Global Network

NIC Handles

AA27847-RIPE DUMY-RIPE DUMY-RIPE ORG-PE33-RIPE POSTEO-MNT POSTEO-TECH-MNT RIPE-NCC-HM-MNT