Fast Serv Inc.
Cluster stats
Netblocks49
All fragments 68 blocks across 2 clusters
Cluster ID193056236
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
49 0 netblocks since 2026-07-05
2026-07-05 peak 49 2026-07-06

IP Ranges (49)

⬇ export CSV
CIDR Org name Registry Status Confidence
46.102.152.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
46.102.252.0/23 Fast Serv Inc. RIPE ALLOCATED PA ● low
85.204.74.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
86.104.15.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
86.104.28.0/23 Fast Serv Inc. RIPE ALLOCATED PA ● low
86.105.1.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
86.105.5.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
86.105.18.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
86.105.227.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
86.105.235.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
86.106.93.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
86.106.102.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
86.106.131.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
86.107.42.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
86.107.170.0/23 Fast Serv Inc. RIPE ALLOCATED PA ● low
89.32.40.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
89.33.64.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
89.34.111.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
89.35.32.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
89.35.56.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
89.35.178.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
89.37.226.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
89.42.212.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
89.43.60.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
89.43.202.0/23 Fast Serv Inc. RIPE ALLOCATED PA ● low
89.44.103.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
89.45.67.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
92.114.35.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
92.114.92.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
93.113.45.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
93.113.131.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
93.115.38.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
93.115.201.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
93.117.137.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
93.119.123.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
94.177.12.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
94.177.112.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
94.177.123.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
176.223.111.0 – 176.223.113.255 Fast Serv Inc. RIPE ALLOCATED PA ● low
176.223.165.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
185.77.128.0/22 Fast Serv Inc. RIPE ALLOCATED PA ● low
188.211.168.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
188.213.204.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
188.215.1.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
188.215.92.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
188.240.234.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
188.241.39.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
188.241.68.0/24 Fast Serv Inc. RIPE ALLOCATED PA ● low
2a05:6200::/29 Fast Serv Inc. RIPE ALLOCATED-BY-RIR ● low

Network trust

what's this?
RPKI hygiene: F how networks compare →
8.2% of checked blocks have valid RPKI ROA coverage (4 of 49)
Possible discrepancies (4)

These blocks are registered to Fast Serv Inc. 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.

86.105.18.0/24 /24 authorized for AS49981 — WorldStream B.V.
94.177.12.0/24 /24 authorized for AS49981 — WorldStream B.V.
89.42.212.0/24 /24 authorized for AS49981 — WorldStream B.V.
93.119.123.0/24 /24 authorized for AS49981 — WorldStream B.V.

NIC Handles

DUMY-RIPE DUMY-RIPE ORG-FSI1-RIPE QHoster RIPE-NCC-HM-MNT