Home ASN LookupAS1741

AS1741 FUNETAS CSC - Tieteen tietotekniikan keskus Oy

🇫🇮

Org handle: ORG-FF1-RIPE

RIPE NCCallocated

Announced Prefixes (BGP)

42total

40 IPv42 IPv6

IPv4 Addresses

Allocated (RIR)603,904

Announced (BGP)610,048

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)7.9×10²⁸

Prefix Limit (IPv4)

1,000

Prefix Limit (IPv6)

Country

🇫🇮 FI

RIR

RIPE NCC

Status

allocated

Allocated

1993-09-01

Routing hygiene

Score 31/100 · Medium risk

RPKI ROA coverage

28.6%

no RPKI invalid prefixes

IRR route objects

100%

no origin mismatches

Hijack signals

0 announced against others' ROAs, 0 own announced by others

Upstreams

diversity 5/100

71% of announced prefixes (30 of 42) have no valid ROA
Routes concentrated on one upstream (98% of routes)

Based on 42 announced prefixes, updated daily (2026-10-17). How the score works · RPKI explained

Announced Prefixes

(BGP)42

Prefix	RPKI	IRR	Last Seen
86.50.0.0/16	Valid	RIPE	2026-10-26
128.214.0.0/16	Valid	RIPE	2026-10-26
130.231.0.0/16	Valid	RIPE	2026-10-26
130.232.0.0/16	Valid	RIPE	2026-10-26
130.234.0.0/16	Valid	RIPE	2026-10-26
157.24.0.0/16	Valid	RIPE	2026-10-26
185.229.128.0/22	Valid	RIPE	2026-10-26
192.26.123.0/24	No ROA	RIPE	2026-10-26
192.84.176.0/20	No ROA	RIPE	2026-10-26
192.84.192.0/21	No ROA	RIPE	2026-10-26

1-10 of 42

1 / 5

Allocated Prefixes

(RIR)40

Prefix	Country	RIR	Status
86.50.0.0/16	🇫🇮 FI	RIPENCC	allocated
128.214.0.0/16	🇫🇮 FI	RIPENCC	assigned
130.231.0.0/16	🇫🇮 FI	RIPENCC	assigned
130.232.0.0/16	🇫🇮 FI	RIPENCC	assigned
130.234.0.0/16	🇫🇮 FI	RIPENCC	assigned
157.24.0.0/16	🇫🇮 FI	RIPENCC	assigned
185.229.128.0/22	🇫🇮 FI	RIPENCC	allocated
192.26.123.0/24	🇫🇮 FI	RIPENCC	assigned
192.84.176.0/20	🇫🇮 FI	RIPENCC	assigned
192.84.192.0/21	🇫🇮 FI	RIPENCC	assigned

1-10 of 40

1 / 4

All 42 announced prefixes of AS1741 →

Downstream Customers(2)

ASN	Name
AS19281	🇺🇸QUAD9-AS-1 - Quad9
AS39484	🇫🇮POAS-AS Pirkan Opiskelija-asunnot Oy

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS1741 hands its own prefixes to: transit providers, or peers at an exchange.

AS2603NORDUNET41
AS5405INTERDOTLINK Inter.Link1

Downstreams (8)

Networks whose own prefixes AS1741 passes on: usually its customers.

AS1926UTANET Tampere University Foundation2
AS39857TKY Aalto University Student Union2
AS43558FICORA FI ANYCAST Finnish Transport And Communications Agency2
AS565VTT Technical Research Centre Of Finland1
AS15496Aalto University1
AS39098BOF Bank Of Finland1
AS39662FI FICORA Finnish Transport And Communications Agency1
AS207282HUH HUS Group1

ASPA

No ASPA0 upstreams, 2 downstreams

Listed as Upstream Provider by

2 ASNs

View full ASPA details →

Abuse Contact

+31205354444

External Links

RIPE Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
How to run an ASPA checkVerify the upstream providers listed above
IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/1741

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/1741" | jq