Nicolas Fischer

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks25
IPv6 11 prefixes (largest 2a00:2381:eca6::/48)
Cluster ID216234579
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 8 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
25 -12 netblocks since 2026-07-05
2026-07-05 peak 38 2026-07-26

IP Ranges (25)

⬇ export CSV
CIDR Org name Registry Status Confidence
92.42.108.86/31 Nicolas Fischer RIPE ASSIGNED PA ● medium
37.61.212.218/31 Nicolas Fischer RIPE ASSIGNED PA ● low
37.61.218.200/29 Nicolas Fischer RIPE ASSIGNED PA ● low
85.25.187.12/31 Nicolas Fischer RIPE ASSIGNED PA ● low
85.195.73.184/30 Nicolas Fischer RIPE ASSIGNED PA ● low
85.195.85.168/29 Nicolas Fischer RIPE ASSIGNED PA ● low
85.195.89.54/31 Nicolas Fischer RIPE ASSIGNED PA ● low
85.195.94.40/30 Nicolas Fischer RIPE ASSIGNED PA ● low
85.195.105.4/30 Nicolas Fischer RIPE ASSIGNED PA ● low
85.195.107.208/30 Nicolas Fischer RIPE ASSIGNED PA ● low
92.42.109.136/29 Nicolas Fischer RIPE ASSIGNED PA ● low
92.204.184.168/30 Nicolas Fischer RIPE ASSIGNED PA ● low
92.204.188.228/31 Nicolas Fischer RIPE ASSIGNED PA ● low
185.19.219.116/30 Nicolas Fischer RIPE ASSIGNED PA ● low
2a00:2381:eca6::/48 NICOLAS-TYE RIPE AGGREGATED-BY-LIR ● low
2a01:7a0:2:1ffc::/64 Nicolas Fischer RIPE ASSIGNED ● low
2a01:7a0:2:201c::/64 Nicolas Fischer RIPE ASSIGNED ● low
2a01:7a0:2:201d::/64 Nicolas Fischer RIPE ASSIGNED ● low
2a01:7a0:2:2138::/64 Nicolas Fischer RIPE ASSIGNED ● low
2a01:7a0:2:2363::/64 Nicolas Fischer RIPE ASSIGNED ● low
2a01:7a0:2:2464::/64 Nicolas Fischer RIPE ASSIGNED ● low
2a01:7a7:2:3a74::/64 Nicolas Fischer RIPE ASSIGNED ● low
2a01:7a7:2:3ba1::/64 Nicolas Fischer RIPE ASSIGNED ● low
2a01:7a7:2:3c9d::/64 Nicolas Fischer RIPE ASSIGNED ● low
2a01:7a7:2:4000::/64 Nicolas Fischer RIPE ASSIGNED ● low

IPv6 ranges (11)

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (25 of 25)
Possible discrepancies (1)

These blocks are registered to Nicolas Fischer 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:eca6::/48 /48 authorized for AS2856 — British Telecommunications Limited

NIC Handles

BTNET-MNT DUMY-RIPE DUMY-RIPE FGK-MNT FGK10-RIPE ORG-HD118-RIPE ORG-LP155-RIPE ORG-NF69-RIPE