$ query “AS1741” --type=asn → 1 result(s)

AS1741 · FUNETAS

CSC - Tieteen tietotekniikan keskus Oy

AS1741 is owned by CSC - Tieteen tietotekniikan keskus Oy and is an educational/research access provider, based in Finland since 2002. The system announces a solid 609 792 IPv4 addresses, including a /15, and supports IPv6. Most of its address space is geolocated to Finland.

Basic Information

Country
🇫🇮 Finland
Category
Education/Research
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
July 09, 2002
Last Changed
March 04, 2026
Last Seen
April 30, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
40 / 19
IPv6 Prefixes (raw / aggregated)
2 / 1
IPv4 Addresses
609 792
Largest IPv4 Prefix
/15 (131 072 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇫🇮 Finland (1 073 664 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 609 792 total (0.00%)

Connectivity Summary

Upstream Providers
1 upstream providing transit
Peers
9 networks exchanging traffic without transit
Downstream Customers
9 downstreams buying transit
Degree
19 unique BGP neighbors
Reach
9 networks in customer cone

Upstream Providers (1)

Prefix Lists

IPv4 Prefixes (40 total)

  • 193.166.0.0/15 (131 072 addresses (/15 prefix))
  • 128.214.0.0/16 (65 536 addresses (/16 prefix))
  • 130.231.0.0/16 (65 536 addresses (/16 prefix))
  • 130.232.0.0/16 (65 536 addresses (/16 prefix))
  • 130.234.0.0/16 (65 536 addresses (/16 prefix))
  • 157.24.0.0/16 (65 536 addresses (/16 prefix))
  • 195.148.0.0/16 (65 536 addresses (/16 prefix))
  • 86.50.0.0/16 (65 536 addresses (/16 prefix))
  • 192.98.64.0/19 (8 192 addresses (/19 prefix))
  • 192.84.176.0/20 (4 096 addresses (/20 prefix))
  • 192.84.192.0/21 (2 048 addresses (/21 prefix))
  • 192.98.104.0/21 (2 048 addresses (/21 prefix))
  • 192.84.204.0/22 (1 024 addresses (/22 prefix))
  • 185.229.128.0/22 (1 024 addresses (/22 prefix))
  • 192.84.200.0/23 (512 addresses (/23 prefix))
  • 192.84.202.0/24 (256 addresses (/24 prefix))
  • 192.98.6.0/24 (256 addresses (/24 prefix))
  • 192.98.38.0/24 (256 addresses (/24 prefix))
  • 192.26.123.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (2 total)

  • 2001:708::/32