AS1741 is the autonomous system of CSC - Tieteen tietotekniikan keskus Oy. It holds 609,792 IPv4 addresses in 19 prefixes plus 1 IPv6 ranges, mainly in 
Finland.
By IPv4 addresses the network ranks #479 worldwide and #4 of 298 networks in Finland. That is 4.0% of the country’s IPv4 space.
The largest block is 193.166.0.0 to 193.167.255.255 with 131,072 addresses, geolocated to Espoo.
- IPv4 addresses
- 609,792
- IPv4 prefixes
- 19
- World rank
- #479
- Country share
- 4.0%
- IPv6 ranges
- 1
Addresses by country
- Finland 100%
Largest blocks
- 193.166.0.0 Espoo131,072
- 130.231.0.0 Oulu131,072
- 195.148.0.0 Oulu65,536
- 157.24.0.0 Lappeenranta65,536
- 130.234.0.0 Jyväskylä65,536
- 128.214.0.0 Helsinki65,536
- 86.50.0.0 Espoo65,536
- 192.98.64.0 Seinäjoki8,192
Networks of similar size
617,472
616,960
615,424
610,304
609,536
605,184
605,184
604,928IPv4 prefixes
Questions and answers
Who owns AS1741?
Autonomous system AS1741 is operated by CSC - Tieteen tietotekniikan keskus Oy.
How many IP addresses does AS1741 have?
The network holds 609,792 IPv4 addresses in 19 prefixes, plus 1 IPv6 ranges.
Which country is AS1741 in?
The main country is Finland.
How big is AS1741?
By IPv4 addresses it ranks #479 worldwide.
What is the largest address block of AS1741?
193.166.0.0 to 193.167.255.255, 131,072 addresses.