$ query “AS1741” --type=asn → 1 result(s)
AS1741 — FUNETAS
CSC - Tieteen tietotekniikan keskus Oy
AS1741 is an educational access provider operated by CSC - Tieteen tietotekniikan keskus Oy, registered in Finland since 2002. The network announces a solid 609 792 IPv4 addresses, including a /15. Supports IPv6.
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
- March 05, 2026
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
- 🇫🇮 FI (28 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 autonomous systems providing transit
- Peers
- 9 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 9 downstream autonomous systems buying transit
- Degree
- 19 unique BGP neighbors (providers + customers + peers)
- Reach
- 9 — customer cone size measuring network influence
- Degree Rank
- #7 721
- Reach Rank
- #3 263
Upstream Providers (1)
- AS2603 — NORDUNET
Prefix Lists
IPv4 Prefixes (40 total)
- 193.166.0.0/15 (131 072 addresses)
- 86.50.0.0/16 (65 536 addresses)
- 128.214.0.0/16 (65 536 addresses)
- 130.231.0.0/16 (65 536 addresses)
- 130.232.0.0/16 (65 536 addresses)
- 130.234.0.0/16 (65 536 addresses)
- 157.24.0.0/16 (65 536 addresses)
- 195.148.0.0/16 (65 536 addresses)
- 192.98.64.0/19 (8 192 addresses)
- 192.84.176.0/20 (4 096 addresses)
- 192.84.192.0/21 (2 048 addresses)
- 192.98.104.0/21 (2 048 addresses)
- 185.229.128.0/22 (1 024 addresses)
- 192.84.204.0/22 (1 024 addresses)
- 192.84.200.0/23 (512 addresses)
- 192.26.123.0/24 (256 addresses)
- 192.84.202.0/24 (256 addresses)
- 192.98.6.0/24 (256 addresses)
- 192.98.38.0/24 (256 addresses)
IPv6 Prefixes (2 total)
- 2001:708::/32