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Autonomous System

AS1741

Tieteen tietotekniikan keskus Oy

Announced IPs
609,792
CIDR prefixes
19
ASN
AS1741

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

69/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Educational/Research
Traffic level 5-10Gbps
Geographic scope Regional
Traffic ratio Balanced
Peering policy Open
IRR record AS-FUNET

Present at 7 internet exchanges: TREX Tampere: Unicast Peering, FICIX 1 (Espoo) IPv6 MTU 9000: IPv6 MTU 9000, FICIX 2 (Helsinki) IPv6 MTU 9000: IPv6 MTU 9000, FICIX 3 (Oulu) IPv6 MTU 9000: IPv6 MTU 9000, FICIX 1 (Espoo): IPv4+IPv6 MTU 1500, FICIX 2 (Helsinki): IPv4+IPv6 MTU 1500, FICIX 3 (Oulu): IPv4+IPv6 MTU 1500

AS1741 — global IP footprint

Cities where AS1741 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
193.166.0.0/15 131.1K
26.4%
Tieteen tietotekniikan keskus Oy FI North Savo Kuopio
86.50.0.0/16 65.5K
49.9%
Tieteen tietotekniikan keskus Oy FI Southwest Finland Turku
128.214.0.0/16 65.5K
36.0%
Tieteen tietotekniikan keskus Oy FI Uusimaa Helsinki
130.231.0.0/16 65.5K
26.0%
Tieteen tietotekniikan keskus Oy FI North Ostrobothnia Oulu
130.232.0.0/16 65.5K
59.8%
Tieteen tietotekniikan keskus Oy FI Southwest Finland Turku
130.234.0.0/16 65.5K
15.4%
Tieteen tietotekniikan keskus Oy FI Central Finland Jyväskylä
157.24.0.0/16 65.5K
0.0%
Tieteen tietotekniikan keskus Oy FI South Karelia Region Lappeenranta
193.167.0.0/16 65.5K
0.0%
FI Lapland Rovaniemi
195.148.0.0/16 65.5K
43.2%
Tieteen tietotekniikan keskus Oy FI Kanta-Häme Mustiala
86.50.0.0/17 32.8K
0.0%
FI South Karelia Region Lappeenranta
86.50.128.0/18 16.4K
0.0%
FI Southwest Finland Turku
193.166.64.0/18 16.4K
0.0%
FI South Karelia Region Lappeenranta
193.166.128.0/18 16.4K
0.0%
FI Southwest Finland Turku
86.50.192.0/19 8.2K
0.0%
FI
192.98.64.0/19 8.2K
69.9%
Tieteen tietotekniikan keskus Oy FI
193.166.32.0/19 8.2K
0.0%
FI Uusimaa Helsinki
193.166.192.0/19 8.2K
0.0%
FI Uusimaa Helsinki
86.50.224.0/20 4.1K
0.0%
FI
192.84.176.0/20 4.1K
81.1%
Tieteen tietotekniikan keskus Oy FI
193.166.16.0/20 4.1K
0.0%
FI Uusimaa Helsinki
193.166.224.0/20 4.1K
0.0%
FI Uusimaa Helsinki
86.50.240.0/21 2.0K
0.0%
FI
192.84.192.0/21 2.0K
98.7%
Tieteen tietotekniikan keskus Oy FI
192.98.104.0/21 2.0K
84.2%
Tieteen tietotekniikan keskus Oy FI
193.166.8.0/21 2.0K
0.0%
FI
193.166.240.0/21 2.0K
0.0%
FI
86.50.248.0/22 1.0K
0.0%
FI
185.229.128.0/22 1.0K
0.0%
Tieteen tietotekniikan keskus Oy FI
192.84.204.0/22 1.0K
99.2%
Tieteen tietotekniikan keskus Oy FI
193.166.0.0/22 1.0K
0.0%
FI
193.166.248.0/22 1.0K
0.0%
FI
86.50.252.0/23 512
0.0%
FI
192.84.200.0/23 512
99.0%
Tieteen tietotekniikan keskus Oy FI
193.166.6.0/23 512
0.0%
FI
193.166.252.0/23 512
0.0%
FI
192.26.123.0/24 256
99.2%
Tieteen tietotekniikan keskus Oy FI
192.84.202.0/24 256
99.2%
Tieteen tietotekniikan keskus Oy FI
192.98.6.0/24 256
0.4%
Tieteen tietotekniikan keskus Oy FI
192.98.38.0/24 256
4.3%
Tieteen tietotekniikan keskus Oy FI
193.166.4.0/24 256
0.0%
FI
193.166.254.0/24 256
0.0%
FI
86.50.254.0/25 128
0.0%
FI
193.166.5.128/25 128
0.0%
FI
193.166.255.0/25 128
0.0%
FI
86.50.254.128/26 64
0.0%
FI
193.166.5.64/26 64
0.0%
FI
193.166.255.128/26 64
0.0%
FI
86.50.254.192/27 32
0.0%
FI
86.50.255.0/27 32
0.0%
FI
86.50.255.128/27 32
0.0%
FI
86.50.255.192/27 32
0.0%
FI
193.166.5.32/27 32
0.0%
FI
193.166.255.224/27 32
0.0%
FI
86.50.255.64/28 16
0.0%
FI
86.50.255.112/28 16
0.0%
FI
86.50.255.160/28 16
0.0%
FI
86.50.255.240/28 16
0.0%
FI
193.166.5.0/28 16
0.0%
FI
193.166.255.208/28 16
0.0%
FI
86.50.254.224/29 8
0.0%
FI
86.50.254.240/29 8
0.0%
FI
86.50.255.32/29 8
0.0%
FI
86.50.255.48/29 8
0.0%
FI
86.50.255.88/29 8
0.0%
FI
86.50.255.176/29 8
0.0%
FI
193.166.5.16/29 8
0.0%
FI
193.166.255.200/29 8
0.0%
FI
86.50.254.236/30 4
0.0%
FI
86.50.254.252/30 4
0.0%
FI
86.50.255.44/30 4
0.0%
FI
86.50.255.60/30 4
0.0%
FI
86.50.255.80/30 4
0.0%
FI
86.50.255.100/30 4
0.0%
FI
86.50.255.104/30 4
0.0%
FI
86.50.255.184/30 4
0.0%
FI
86.50.255.224/30 4
0.0%
FI
86.50.255.236/30 4
0.0%
FI
193.166.5.28/30 4
0.0%
FI
193.166.255.196/30 4
0.0%
FI
86.50.254.234/31 2
0.0%
FI
86.50.254.248/31 2
0.0%
FI
86.50.255.40/31 2
0.0%
FI
86.50.255.58/31 2
0.0%
FI
86.50.255.84/31 2
0.0%
FI
86.50.255.96/31 2
0.0%
FI
86.50.255.110/31 2
0.0%
FI
86.50.255.190/31 2
0.0%
FI
86.50.255.230/31 2
0.0%
FI
86.50.255.232/31 2
0.0%
FI
193.166.5.24/31 2
0.0%
SE
193.166.5.26/31 2
0.0%
FI
193.166.255.194/31 2
0.0%
SE
86.50.254.232 1
0.0%
FI
86.50.254.233 1
0.0%
SE
86.50.254.250 1
0.0%
FI
86.50.254.251 1
0.0%
SE
86.50.255.42 1
0.0%
SE
86.50.255.43 1
0.0%
FI
86.50.255.56 1
0.0%
SE
86.50.255.57 1
0.0%
FI

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS1741 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
185.229.128.0/22 7,267 2026-07-18 10:52:52
130.231.0.0/16 5,551 2026-07-18 12:00:18
195.148.0.0/16 4,317 2026-07-18 12:00:18
86.50.0.0/16 4,314 2026-07-18 12:00:18
130.232.0.0/16 4,306 2026-07-18 12:00:18
128.214.0.0/16 4,304 2026-07-18 12:00:18
192.84.176.0/20 4,293 2026-07-18 12:00:18
193.166.4.0/24 4,280 2026-07-18 12:00:18
130.234.0.0/16 4,279 2026-07-18 12:01:00
192.98.80.0/21 4,266 2026-07-18 12:00:18
192.98.64.0/20 4,251 2026-07-18 12:00:18
192.98.38.0/24 4,245 2026-07-18 12:00:18
192.84.192.0/21 4,229 2026-07-18 12:00:18
192.98.93.0/24 4,196 2026-07-18 12:00:18
192.98.92.0/24 4,191 2026-07-18 12:00:18
192.98.88.0/24 4,180 2026-07-18 12:00:18
192.98.94.0/24 4,178 2026-07-18 12:00:18
192.84.207.0/24 4,173 2026-07-18 12:00:18
192.98.89.0/24 4,170 2026-07-18 12:00:18
192.84.202.0/24 4,170 2026-07-18 12:00:18
192.84.206.0/24 4,168 2026-07-18 12:00:18
192.98.90.0/24 4,168 2026-07-18 12:00:18
192.98.95.0/24 4,168 2026-07-18 12:00:18
192.98.91.0/24 4,167 2026-07-18 12:00:18
192.98.109.0/24 4,167 2026-07-18 12:00:18
192.84.204.0/24 4,161 2026-07-18 12:00:18
193.166.0.0/15 4,161 2026-07-18 12:00:18
192.84.205.0/24 4,160 2026-07-18 12:00:18
192.84.200.0/24 4,151 2026-07-18 12:00:18
192.84.201.0/24 4,140 2026-07-18 12:00:18
192.26.123.0/24 4,135 2026-07-18 12:00:18
192.98.107.0/24 4,116 2026-07-18 12:00:18
192.98.105.0/24 4,100 2026-07-18 12:00:18
192.98.106.0/24 4,099 2026-07-18 12:00:18
157.24.0.0/16 4,097 2026-07-18 12:01:25
192.98.110.0/24 4,095 2026-07-18 12:00:18
192.98.111.0/24 4,085 2026-07-18 12:00:18
192.98.108.0/24 4,081 2026-07-18 12:00:18
192.98.104.0/24 4,070 2026-07-18 12:00:18
192.98.6.0/24 593 2026-07-18 09:30:56

Frequently Asked Questions

What is AS1741?

AS1741 is an Autonomous System Number assigned to Tieteen tietotekniikan keskus Oy. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS1741 announce?

AS1741 announces 609.8K IPv4 addresses distributed across 19 routed CIDR prefixes. The network is registered in Finland.

Who operates AS1741?

AS1741 is operated by Tieteen tietotekniikan keskus Oy. The organization is based in Finland. You can view all IP ranges and related ASNs on the organization page.

What country is AS1741 registered in?

AS1741 is registered in Finland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-18 12:40:28 UTC
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