Autonomous System
AS1741 CSC - Tieteen tietotekniikan keskus Oy
BusinessActiveFinlandRIPE
AS1741 (FUNETAS) is a business network operated by CSC - Tieteen tietotekniikan keskus Oy in Finland, registered with RIPE. It has 39 IPv4 prefixes with 609,792 addresses and 2 IPv6 prefixes, which makes it the 599th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses609,792in 39 prefixes
IPv6 prefixes2≈ 7.9 × 10²⁸ addresses
Size rank#599of 82,200 active ASNs
Details
OrganizationCSC - Tieteen tietotekniikan keskus Oy
AS nameFUNETAS
Websitecsc.fi
Country Finland (FI)
Network typeBusiness
RegistryRIPE
Abuse contactcert@cert.funet.fi
Registered2002-07-09
Last updated2026-09-03
IPv4 prefixes
39 prefixes · 609,792 addresses| Network | Addresses | First – last address |
|---|---|---|
| 193.166.0.0/15 | 131,072 | 193.166.0.0 – 193.167.255.255 |
| 86.50.0.0/16 | 65,536 | 86.50.0.0 – 86.50.255.255 |
| 128.214.0.0/16 | 65,536 | 128.214.0.0 – 128.214.255.255 |
| 130.231.0.0/16 | 65,536 | 130.231.0.0 – 130.231.255.255 |
| 130.232.0.0/16 | 65,536 | 130.232.0.0 – 130.232.255.255 |
| 130.234.0.0/16 | 65,536 | 130.234.0.0 – 130.234.255.255 |
| 157.24.0.0/16 | 65,536 | 157.24.0.0 – 157.24.255.255 |
| 195.148.0.0/16 | 65,536 | 195.148.0.0 – 195.148.255.255 |
| 192.84.176.0/20 | 4,096 | 192.84.176.0 – 192.84.191.255 |
| 192.98.64.0/20 | 4,096 | 192.98.64.0 – 192.98.79.255 |
| 192.84.192.0/21 | 2,048 | 192.84.192.0 – 192.84.199.255 |
| 192.98.80.0/21 | 2,048 | 192.98.80.0 – 192.98.87.255 |
| 185.229.128.0/22 | 1,024 | 185.229.128.0 – 185.229.131.255 |
| 192.26.123.0/24 | 256 | 192.26.123.0 – 192.26.123.255 |
| 192.84.200.0/24 | 256 | 192.84.200.0 – 192.84.200.255 |
| 192.84.201.0/24 | 256 | 192.84.201.0 – 192.84.201.255 |
| 192.84.202.0/24 | 256 | 192.84.202.0 – 192.84.202.255 |
| 192.84.204.0/24 | 256 | 192.84.204.0 – 192.84.204.255 |
| 192.84.205.0/24 | 256 | 192.84.205.0 – 192.84.205.255 |
| 192.84.206.0/24 | 256 | 192.84.206.0 – 192.84.206.255 |
| 192.84.207.0/24 | 256 | 192.84.207.0 – 192.84.207.255 |
| 192.98.38.0/24 | 256 | 192.98.38.0 – 192.98.38.255 |
| 192.98.88.0/24 | 256 | 192.98.88.0 – 192.98.88.255 |
| 192.98.89.0/24 | 256 | 192.98.89.0 – 192.98.89.255 |
| 192.98.90.0/24 | 256 | 192.98.90.0 – 192.98.90.255 |
193.166.0.0/15 86.50.0.0/16 128.214.0.0/16 130.231.0.0/16 130.232.0.0/16 130.234.0.0/16 157.24.0.0/16 195.148.0.0/16 192.84.176.0/20 192.98.64.0/20 192.84.192.0/21 192.98.80.0/21 185.229.128.0/22 192.26.123.0/24 192.84.200.0/24 192.84.201.0/24 192.84.202.0/24 192.84.204.0/24 192.84.205.0/24 192.84.206.0/24 192.84.207.0/24 192.98.38.0/24 192.98.88.0/24 192.98.89.0/24 192.98.90.0/24
The 25 largest of 39. The API and the database have all of them.
IPv6 prefixes
2 prefixes- 2001:708::/32
- 2001:708:10::/48
2001:708::/32 2001:708:10::/48
Query AS1741 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=AS1741&key=YOUR_API_KEY"Any address in its prefixes resolves to AS1741, with or without a key:
curl "https://api.ipapi.is/?q=193.166.0.1"