$ query “AS43278” --type=asn → 1 result(s)
AS43278 · CASTLES-AS
Castles LLC
AS43278 is owned by Castles LLC and is a mid-size transit provider, registered in Russia since 2018. The system announces 5 120 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Russia, with additional presence in Serbia.
Basic Information
- Country
- 🇷🇺 Russia
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- July 19, 2018
- Last Changed
- March 04, 2026
- Last Seen
- July 26, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 20 / 19
- IPv6 Prefixes (raw / aggregated)
- 2 / 2
- IPv4 Addresses
- 5 120
- Largest IPv4 Prefix
- /23 (512 addresses)
- Largest IPv6 Prefix
- /48
- Geolocated Countries
- 🇷🇺 Russia (6 144 IPs), 🇷🇸 Serbia (1 536 IPs)
- Prefix Changed
- June 28, 2026
Reputation
- Reputation
- Good — 1 flagged IPs out of 5 120 total (0.02%)
Connectivity Summary
- Upstream Providers
- 7 upstreams providing transit
- Peers
- 8 networks exchanging traffic without transit
- Downstream Customers
- 6 downstreams buying transit
- Unclassified
- 2 unclassified BGP neighbors
- Degree
- 23 unique BGP neighbors
- Reach
- 13 networks in customer cone
Upstream Providers (7)
Prefix Lists
IPv4 Prefixes (20 total)
- 189.74.110.0/23 (512 addresses (/23 prefix))
- 170.168.20.0/24 (256 addresses (/24 prefix))
- 185.207.214.0/24 (256 addresses (/24 prefix))
- 80.242.59.0/24 (256 addresses (/24 prefix))
- 91.192.93.0/24 (256 addresses (/24 prefix))
- 91.220.80.0/24 (256 addresses (/24 prefix))
- 95.181.158.0/24 (256 addresses (/24 prefix))
- 152.89.199.0/24 (256 addresses (/24 prefix))
- 5.42.211.0/24 (256 addresses (/24 prefix))
- 45.137.154.0/24 (256 addresses (/24 prefix))
- 185.17.0.0/24 (256 addresses (/24 prefix))
- 185.189.255.0/24 (256 addresses (/24 prefix))
- 189.74.109.0/24 (256 addresses (/24 prefix))
- 45.129.237.0/24 (256 addresses (/24 prefix))
- 194.147.90.0/24 (256 addresses (/24 prefix))
- 195.18.27.0/24 (256 addresses (/24 prefix))
- 212.46.36.0/24 (256 addresses (/24 prefix))
- 213.109.97.0/24 (256 addresses (/24 prefix))
- 213.226.115.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (2 total)
- 2a06:1301:4350::/48
- 2a12:5947::/48