Michael Rack

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks58 · 3,084 IPv4 addresses
IPv6 28 prefixes (largest 2a04:df80::/29)
Registered in Germany (31) · United Kingdom (1) · Israel (1)
Cluster ID213279907
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 12 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
62 -4 netblocks since 2026-07-05
2026-07-05 peak 66 2026-07-26

IP Ranges (58)

showing 50 of 58 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
45.153.176.0/22 Michael Rack BGP ANNOUNCED ● high
91.205.12.0/22 Michael Rack BGP ANNOUNCED ● high
91.205.12.0/29 Michael Rack RIPE ASSIGNED PA ● high
91.205.12.0/24 Michael Rack BGP ANNOUNCED ● high
91.205.12.32/27 Michael Rack RIPE ASSIGNED PA ● high
91.205.12.64/27 Michael Rack RIPE ASSIGNED PA ● high
91.205.12.96/28 Michael Rack RIPE ASSIGNED PA ● high
91.205.12.112/28 Michael Rack RIPE ASSIGNED PA ● high
91.205.12.128/27 Michael Rack RIPE ASSIGNED PA ● high
91.205.12.160/27 Michael Rack RIPE ASSIGNED PA ● high
91.205.12.192/27 Michael Rack RIPE ASSIGNED PA ● high
91.205.12.224/27 Michael Rack RIPE ASSIGNED PA ● high
91.205.13.0/27 Michael Rack RIPE ASSIGNED PA ● high
91.205.13.0/24 Michael Rack BGP ANNOUNCED ● high
91.205.13.32/27 Michael Rack RIPE ASSIGNED PA ● high
91.205.13.64/27 Michael Rack RIPE ASSIGNED PA ● high
91.205.13.96/27 Michael Rack RIPE ASSIGNED PA ● high
91.205.13.128/27 Michael Rack RIPE ASSIGNED PA ● high
91.205.13.160/27 Michael Rack RIPE ASSIGNED PA ● high
91.205.13.192/27 Michael Rack RIPE ASSIGNED PA ● high
91.205.13.224/27 Michael Rack RIPE ASSIGNED PA ● high
91.205.14.0/27 Michael Rack RIPE ASSIGNED PA ● high
91.205.14.0/24 Michael Rack BGP ANNOUNCED ● high
91.205.14.32/27 Michael Rack RIPE ASSIGNED PA ● high
91.205.14.64/27 Michael Rack RIPE ASSIGNED PA ● high
91.205.14.96/27 Michael Rack RIPE ASSIGNED PA ● high
91.205.14.192/26 Michael Rack RIPE ASSIGNED PA ● high
185.58.28.0/22 Michael Rack BGP ANNOUNCED ● high
2a04:df80::/32 Michael Rack BGP ANNOUNCED ● high
2a04:df80::/29 Michael Rack BGP ANNOUNCED ● high
2a04:df80:0:574::/64 Michael Rack RIPE ASSIGNED ● high
2a04:df80:0:710::/64 Michael Rack RIPE ASSIGNED ● high
2a04:df80:0:1240::/64 Michael Rack RIPE ASSIGNED ● high
2a04:df80:0:1244::/64 Michael Rack RIPE ASSIGNED ● high
2a04:df80:0:1530::/64 Michael Rack RIPE ASSIGNED ● high
2a04:df80:0:1540::/64 Michael Rack RIPE ASSIGNED ● high
2a04:df80:0:1570::/64 Michael Rack RIPE ASSIGNED ● high
2a04:df80:0:1580::/64 Michael Rack RIPE ASSIGNED ● high
2a04:df80:0:2220::/64 Michael Rack RIPE ASSIGNED ● high
2a04:df80:0:2221::/64 Michael Rack RIPE ASSIGNED ● high
2a04:df80:40::/50 Michael Rack RIPE ASSIGNED ● high
2a04:df80:40:8000::/50 Michael Rack RIPE ASSIGNED ● high
2a04:df80:40:c000::/50 Michael Rack RIPE ASSIGNED ● high
2a04:df80:41::/50 Michael Rack RIPE ASSIGNED ● high
2a04:df80:41:4000::/50 Michael Rack RIPE ASSIGNED ● high
2a04:df80:41:8000::/50 Michael Rack RIPE ASSIGNED ● high
2a04:df80:41:c000::/50 Michael Rack RIPE ASSIGNED ● high
2a04:df80:42::/50 Michael Rack RIPE ASSIGNED ● high
2a04:df80:42:4000::/50 Michael Rack RIPE ASSIGNED ● high
2a04:df81::/32 Michael Rack BGP ANNOUNCED ● high

IPv6 ranges (28)

showing the 15 largest allocations
CIDR
2a04:df80::/29
2a04:df80::/32
2a04:df81::/32
2a04:df82::/32
2a04:df83::/32
2a04:df84::/32
2a04:df85::/32
2a04:df86::/32
2a04:df80:40:8000::/50
2a04:df80:40::/50
2a04:df80:40:c000::/50
2a04:df80:41:4000::/50
2a04:df80:41:8000::/50
2a04:df80:41::/50
2a04:df80:41:c000::/50

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (62 of 62)
Possible discrepancies (1)

These blocks are registered to Michael Rack 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.

2a00:2381:2b7e::/56 /56 authorized for AS2856 — British Telecommunications Limited

NIC Handles

AS201962 AS8551-MNT BTNET-MNT DUMY-RIPE DUMY-RIPE MNT-MICHAELRACK-RSMCONNECT MNT-MICHAELRACK-RSMCONNECT ORG-MR200-RIPE ORG-MR34-RIPE RIPE-NCC-HM-MNT mnt-de-gigabit-fabrik-1 mnt-de-gigabit-fabrik-1