// ASN

AS43278

CASTLES-AS AntiDDoS Protection for your services, RU

Detailed information about the Autonomous System. Need another one? Look up a different ASN.

ASN: AS43278
Organization: RS-CASTLES
Description: CASTLES-AS AntiDDoS Protection for your services, RU
Country: RU
Registry (RIR): RIPE
Created: 2021-04-18
Updated: 2026-03-06
IPv4 Prefixes: 9
IPv6 Prefixes: 1

IPv4 Prefixes

9 total

152.89.199.0/24
170.168.20.0/24
185.17.0.0/24
212.46.36.0/24
213.226.115.0/24
45.129.237.0/24
45.137.154.0/24
91.220.80.0/24
95.181.158.0/24

IPv6 Prefixes

1 total

2a06:1301:4350::/48

What is AS43278?

AS43278 is an Autonomous System Number (ASN) assigned to RS-CASTLES. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

Looking for more ASN data?

Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.

ASN Lookup Tool →