Autonomous System
AS51935 BLC Telecom Oy
ISPActiveFinlandRIPE
AS51935 (SPY-AS) is an ISP network operated by BLC Telecom Oy in Finland, registered with RIPE. It has 13 IPv4 prefixes with 32,512 addresses and 1 IPv6 prefix, which makes it the 5,349th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses32,512in 13 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#5,349of 82,200 active ASNs
Details
OrganizationBLC Telecom Oy
AS nameSPY-AS
Websiteblc.fi
Country Finland (FI)
Network typeISP
RegistryRIPE
Abuse contacthostmaster@blc.fi
Registered2010-12-02
Last updated2025-08-18
IPv4 prefixes
13 prefixes · 32,512 addresses| Network | Addresses | First – last address |
|---|---|---|
| 46.163.192.0/18 | 16,384 | 46.163.192.0 – 46.163.255.255 |
| 83.146.160.0/19 | 8,192 | 83.146.160.0 – 83.146.191.255 |
| 62.220.240.0/21 | 2,048 | 62.220.240.0 – 62.220.247.255 |
| 62.220.248.0/22 | 1,024 | 62.220.248.0 – 62.220.251.255 |
| 185.192.24.0/22 | 1,024 | 185.192.24.0 – 185.192.27.255 |
| 83.146.160.0/23 | 512 | 83.146.160.0 – 83.146.161.255 |
| 83.146.162.0/23 | 512 | 83.146.162.0 – 83.146.163.255 |
| 83.146.164.0/23 | 512 | 83.146.164.0 – 83.146.165.255 |
| 83.146.166.0/23 | 512 | 83.146.166.0 – 83.146.167.255 |
| 83.146.168.0/23 | 512 | 83.146.168.0 – 83.146.169.255 |
| 83.146.170.0/23 | 512 | 83.146.170.0 – 83.146.171.255 |
| 83.146.172.0/23 | 512 | 83.146.172.0 – 83.146.173.255 |
| 62.220.251.0/24 | 256 | 62.220.251.0 – 62.220.251.255 |
46.163.192.0/18 83.146.160.0/19 62.220.240.0/21 62.220.248.0/22 185.192.24.0/22 83.146.160.0/23 83.146.162.0/23 83.146.164.0/23 83.146.166.0/23 83.146.168.0/23 83.146.170.0/23 83.146.172.0/23 62.220.251.0/24
IPv6 prefixes
1 prefix- 2a02:6fa0::/32
2a02:6fa0::/32
Query AS51935 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS51935&key=YOUR_API_KEY"Any address in its prefixes resolves to AS51935, with or without a key:
curl "https://api.ipapi.is/?q=46.163.192.1"