Castles LLC

Data as of 2026-11-01
BGP inherited
This organisation
Netblocks37 · 6,660 IPv4 addresses
IPv6 2 prefixes (largest 2a06:1301:4350::/48)
Registered in United Arab Emirates (20) · SC (12) · Hong Kong (9) · Russia (3) · AG (1) · VG (1)
Also registered under this name 51 netblocks across 2 separate records
Record ID259541130
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 17 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
95.181.158.0/24 Castles LLC BGP ANNOUNCED ● medium
185.17.0.0/24 Castles LLC BGP ANNOUNCED ● medium
189.74.109.0/24 Castles LLC BGP ANNOUNCED ● medium
189.74.110.0/24 Castles LLC BGP ANNOUNCED ● medium
189.74.111.0/24 Castles LLC BGP ANNOUNCED ● medium
195.18.27.0/24 Castles LLC BGP ANNOUNCED ● medium
201.50.114.0/24 Castles LLC BGP ANNOUNCED ● medium
212.46.36.0/24 Castles LLC BGP ANNOUNCED ● medium
2a12:5947::/48 Castles LLC BGP ANNOUNCED ● medium

IPv6 ranges (2)

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

Footprint over time

19 weekly snapshots · JSON
50 +6 netblocks since 2026-07-05
2026-07-05 peak 50 2026-11-01

Other domains hosted in this network

what's this?
matrp.ru

Network trust

what's this?
RPKI hygiene: B how networks compare →
92.0% of checked blocks have valid RPKI ROA coverage (46 of 50)
Possible discrepancies (3)

These blocks are registered to Castles LLC but cryptographically authorized for a different, unrelated network (2 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

NIC Handles

AA35087-RIPE AS214833 AS43278 AS43278 CASTLES-CUSTOMER-MNT DUMY-RIPE DUMY-RIPE GLADYSHEV-MNT IP-RIPE IP-RIPE NETWORK-SUPPORT-MNT ORG-CL628-RIPE +5 more