FD Cservers.net

FDCservers.net
Data as of 2026-08-16
Registry
Cluster stats
Netblocks1,058 · 395,290 IPv4 addresses
IPv6 166 prefixes (largest 2606:9940::/32)
Registered in United States (666) · United Kingdom (113) · LT (30) · United Arab Emirates (19) · Netherlands (9) · France (9)
Cluster ID222370434
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution Registry record
Shared handles clustered on 37 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

5 weekly snapshots · JSON
1,063 +4 netblocks since 2026-07-13
2026-07-13 peak 1,063 2026-08-16

IP Ranges (1,058)

showing 50 of 1,058 — see all⬇ export CSV (free export limited to 500 rows — subscribe for the full export)
CIDR Org name Registry Status Confidence
23.237.0.0/23 FDCservers.net ARIN ALLOCATION ● high
27.111.228.199/32 FDCServers.Net PEERINGDB ASSIGNED ● high
36.255.57.109/32 FDCServers.Net PEERINGDB ASSIGNED ● high
50.7.0.0/24 FDCservers.net ARIN ALLOCATION ● high
64.191.233.178/32 FDCServers.Net PEERINGDB ASSIGNED ● high
66.90.64.0/23 FDCservers.net ARIN ALLOCATION ● high
67.159.0.0/23 FDCservers.net ARIN ALLOCATION ● high
74.63.64.0/18 FDCservers.net ARIN DIRECT ALLOCATION ● high
101.203.74.99/32 FDCServers.Net PEERINGDB ASSIGNED ● high
101.203.89.35/32 FDCServers.Net PEERINGDB ASSIGNED ● high
103.231.152.113/32 FDCServers.Net PEERINGDB ASSIGNED ● high
178.18.226.153/32 FDCServers.Net PEERINGDB ASSIGNED ● high
178.18.230.12/32 FDCServers.Net PEERINGDB ASSIGNED ● high
178.18.234.5/32 FDCServers.Net PEERINGDB ASSIGNED ● high
178.18.236.65/32 FDCServers.Net PEERINGDB ASSIGNED ● high
185.0.2.22/32 FDCServers.Net PEERINGDB ASSIGNED ● high
185.0.27.8/32 FDCServers.Net PEERINGDB ASSIGNED ● high
185.0.42.42/32 FDCServers.Net PEERINGDB ASSIGNED ● high
185.0.42.196/32 FDCServers.Net PEERINGDB ASSIGNED ● high
185.0.42.205/32 FDCServers.Net PEERINGDB ASSIGNED ● high
185.0.42.232/32 FDCServers.Net PEERINGDB ASSIGNED ● high
185.1.240.157/32 FDCServers.Net PEERINGDB ASSIGNED ● high
187.16.214.130/32 FDCServers.Net PEERINGDB ASSIGNED ● high
192.240.96.0/23 FDCservers.net ARIN ALLOCATION ● high
193.239.119.140/32 FDCServers.Net PEERINGDB ASSIGNED ● high
195.42.145.49/32 FDCServers.Net PEERINGDB ASSIGNED ● high
198.16.64.0/23 FDCservers.net ARIN ALLOCATION ● high
198.32.242.30/32 FDCServers.Net PEERINGDB ASSIGNED ● high
198.255.0.0/23 FDCservers.net ARIN ALLOCATION ● high
203.190.230.206/32 FDCServers.Net PEERINGDB ASSIGNED ● high
206.126.238.33/32 FDCServers.Net PEERINGDB ASSIGNED ● high
206.223.118.19/32 FDCServers.Net PEERINGDB ASSIGNED ● high
206.223.123.97/32 FDCServers.Net PEERINGDB ASSIGNED ● high
208.115.137.70/32 FDCServers.Net PEERINGDB ASSIGNED ● high
216.227.128.0/18 FDCservers.net ARIN DIRECT ALLOCATION ● high
2001:504:0:2:0:3:58:1/128 FDCServers.Net PEERINGDB ASSIGNED ● high
2001:504:0:3:0:3:58:1/128 FDCServers.Net PEERINGDB ASSIGNED ● high
2001:504:0:4:0:3:58:1/128 FDCServers.Net PEERINGDB ASSIGNED ● high
2001:504:0:5:0:3:58:1/128 FDCServers.Net PEERINGDB ASSIGNED ● high
2001:504:0:6:0:3:58:1/128 FDCServers.Net PEERINGDB ASSIGNED ● high
2001:504:0:7:0:3:58:1/128 FDCServers.Net PEERINGDB ASSIGNED ● high
2001:7f8:13::a503:58:1/128 FDCServers.Net PEERINGDB ASSIGNED ● high
2001:7f8:43::3:58:1/128 FDCServers.Net PEERINGDB ASSIGNED ● high
2001:7f8:115:1::42/128 FDCServers.Net PEERINGDB ASSIGNED ● high
2001:7f8:115:1::196/128 FDCServers.Net PEERINGDB ASSIGNED ● high
2001:7f8:115:1::205/128 FDCServers.Net PEERINGDB ASSIGNED ● high
2001:7f8:115:1::232/128 FDCServers.Net PEERINGDB ASSIGNED ● high
2001:7f8:12a::157/128 FDCServers.Net PEERINGDB ASSIGNED ● high
2001:7f8:15e::8/128 FDCServers.Net PEERINGDB ASSIGNED ● high
2001:7f8:16d::22/128 FDCServers.Net PEERINGDB ASSIGNED ● high

IPv6 ranges (166)

showing the 15 largest allocations

Domains hosted in this network

what's this?

Customer-delegated space

how is this classified?
Unclassified 1,011 (95.6%)
Operator infrastructure (named) 52 (4.9%)

Network trust

what's this?
RPKI hygiene: B how networks compare →
92.6% of checked blocks have valid RPKI ROA coverage (984 of 1,063)
Wholesale/transit re-announcements (457)

These blocks are registered to FDCservers.net but cryptographically authorized across 8 different networks — typical for a large wholesale or transit carrier whose address space is substantially re-announced by downstream customers under their own ASNs, not individually noteworthy.

2602:fd92:b00::/40 /40 authorized for AS174 — Cogent Communications, LLC
2001:49f0:d002::/48 /48 authorized for AS174 — Cogent Communications, LLC
2001:49f0:d004::/48 /48 authorized for AS174 — Cogent Communications, LLC
2001:49f0:d047::/48 /48 authorized for AS174 — Cogent Communications, LLC
2001:49f0:d049::/48 /48 authorized for AS174 — Cogent Communications, LLC
2001:49f0:d04a::/48 /48 authorized for AS174 — Cogent Communications, LLC
2001:49f0:d050::/48 /48 authorized for AS174 — Cogent Communications, LLC
2001:49f0:d051::/48 /48 authorized for AS174 — Cogent Communications, LLC
2001:49f0:d052::/48 /48 authorized for AS174 — Cogent Communications, LLC
2001:49f0:d053::/48 /48 authorized for AS174 — Cogent Communications, LLC
2001:49f0:d054::/48 /48 authorized for AS174 — Cogent Communications, LLC
2001:49f0:d055::/48 /48 authorized for AS174 — Cogent Communications, LLC
2001:49f0:d05e::/48 /48 authorized for AS174 — Cogent Communications, LLC
2001:49f0:d069::/48 /48 authorized for AS174 — Cogent Communications, LLC
2001:49f0:d06a::/48 /48 authorized for AS174 — Cogent Communications, LLC
+442 more — see the REST API

NIC Handles

ABUSE438-ARIN ABUSE438-ARIN ABUSE438-ARIN ABUSE438-ARIN AS25198 AS30058 AS30058 AS3257-IPAM-MNT AS58349 AS9304 FDCSE FDCSE-17 +25 more