Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS1759

Announcement observedARIN

TSF-IP-Core Telia Finland Oyj · TSF-IP-Core

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/9/2026, 13:44:18Snapshot expired

View network topology RDAP registration

ASN: AS1759
Registration country: Finland
Name: TSF-IP-Core Telia Finland Oyj
Abbreviation: TSF-IP-Core
Registration date: 9/19/2002, 08:51:22
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
109.240.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
131.177.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
139.157.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
139.181.9.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
139.74.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
140.151.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
141.208.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
144.4.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
147.44.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
160.71.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
176.72.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
185.31.70.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
185.81.91.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
188.238.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
192.103.112.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
192.126.63.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
192.126.64.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
192.130.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
192.136.9.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
192.194.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
192.58.42.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
192.58.44.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
192.58.48.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
192.58.64.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
192.58.80.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
192.58.88.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
192.83.0.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
192.83.100.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
192.83.64.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
192.83.96.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
192.89.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
192.89.123.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
193.111.118.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
193.111.118.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
193.111.93.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
193.142.122.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
193.142.150.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
193.142.2.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
193.142.26.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
193.143.100.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
193.143.101.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
193.143.102.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
193.143.104.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
193.143.112.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
193.143.114.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
193.143.115.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
193.143.116.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
193.143.118.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
193.143.232.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid
193.143.232.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/9/2026, 08:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: TSF-IP-Core Telia Finland Oyj
RIR: ARIN
Registration country: Finland
Registration date: 9/19/2002, 08:51:22
Abuse contact: abuse@telia.fi

Snapshot trend

10/9/2026, 13:44:18118 v412 v62 Upstream · 1 Uncertain

9/29/2026, 08:12:51117 v412 v62 Upstream · 1 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap