Castles LLC

Data as of 2026-11-08
BGP inherited
This organisation
Netblocks37 · 6,404 IPv4 addresses
IPv6 2 prefixes (largest 2a06:1301:4350::/48)
Registered in United Arab Emirates (21) · SC (15) · Hong Kong (9) · Russia (3) · AG (1)
Also registered under this name 54 netblocks across 2 separate records
Record ID264651095
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 18 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (37)

⬇ export CSV
CIDR Org name Registry Status Confidence
5.42.211.0/24 Castles LLC RIPE ASSIGNED PA ● high
37.44.199.0 – 37.44.199.254 Castles LLC RIPE ASSIGNED PA ● high
37.44.199.255/32 Castles LLC RIPE ASSIGNED PA ● high
45.129.237.0/24 Castles LLC RIPE ASSIGNED PA ● high
45.137.154.0/24 Castles LLC RIPE ASSIGNED PA ● high
80.242.59.0/24 Castles LLC RIPE ASSIGNED PA ● high
91.192.93.0/24 Castles LLC RIPE ASSIGNED PA ● high
91.220.80.0/24 Castles LLC RIPE ASSIGNED PA ● high
91.241.180.0/24 Castles LLC RIPE ASSIGNED PA ● high
91.241.181.0/24 Castles LLC RIPE ASSIGNED PA ● high
146.185.252.165/32 Castles PEERINGDB ASSIGNED ● high
152.89.199.0/24 Castles LLC RIPE ASSIGNED PA ● high
170.168.20.0/24 Castles LLC RIPE ASSIGNED PA ● high
178.18.224.23/32 Castles PEERINGDB ASSIGNED ● high
185.1.153.161/32 Castles PEERINGDB ASSIGNED ● high
185.189.255.0/24 Castles LLC RIPE ASSIGNED PA ● high
185.207.214.0/24 Castles LLC RIPE ASSIGNED PA ● high
187.5.229.0/24 Castles LLC RIPE ASSIGNED PA ● high
193.27.37.125/32 Castles PEERINGDB ASSIGNED ● high
194.34.244.0/24 Castles LLC RIPE ASSIGNED PA ● high
194.147.90.0/24 Castles LLC RIPE ASSIGNED PA ● high
195.18.27.0/25 Castles LLC RIPE ASSIGNED PA ● high
195.18.27.128/25 Castles LLC RIPE ASSIGNED PA ● high
212.46.36.0 – 212.46.36.254 Castles LLC RIPE ASSIGNED PA ● high
212.46.36.255/32 Castles LLC RIPE ASSIGNED PA ● high
213.109.97.0/24 Castles LLC RIPE ASSIGNED PA ● high
213.226.115.0/24 Castles LLC RIPE ASSIGNED PA ● high
2a06:1301:4350::/48 Castles LLC RIPE ASSIGNED ● high
37.44.199.0/24 Castles LLC BGP ANNOUNCED ● low
95.181.158.0/24 Castles LLC BGP ANNOUNCED ● low
189.74.109.0/24 Castles LLC BGP ANNOUNCED ● low
189.74.110.0/24 Castles LLC BGP ANNOUNCED ● low
189.74.111.0/24 Castles LLC BGP ANNOUNCED ● low
195.18.27.0/24 Castles LLC BGP ANNOUNCED ● low
201.50.114.0/24 Castles LLC BGP ANNOUNCED ● low
212.46.36.0/24 Castles LLC BGP ANNOUNCED ● low
2a12:5947::/48 Castles LLC BGP ANNOUNCED ● low

IPv6 ranges (2)

CIDR
2a06:1301:4350::/48
2a12:5947::/48

Footprint over time

20 weekly snapshots · JSON
53 +9 netblocks since 2026-07-05
2026-07-05 peak 53 2026-11-08

Other domains hosted in this network

what's this?
matrp.ru

Network trust

what's this?
RPKI hygiene: B how networks compare →
92.5% of checked blocks have valid RPKI ROA coverage (49 of 53)
Possible discrepancies (6)

These blocks are registered to Castles LLC but cryptographically authorized for a different, unrelated network (3 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

91.241.180.0/24 /24 authorized for AS12722 — RECONN LLC
91.241.181.0/24 /24 authorized for AS12722 — RECONN LLC
187.5.229.0/24 /24 authorized for AS202656 — Ivanov Vitaliy Sergeevich
37.44.199.0/24 /24 authorized for AS62300 — Address Limited
91.241.180.0/24 /24 authorized for AS12722 — RECONN LLC
187.5.229.0/24 /24 authorized for AS202656 — Ivanov Vitaliy Sergeevich

NIC Handles

AA35087-RIPE AS202656 AS212667 AS214833 AS43278 AS43278 AS58061 AS62300 DUMY-RIPE DUMY-RIPE IP-RIPE IP-RIPE +6 more