AS5619 NO-TTSN-ASN1 Tieto Norway AS

NO-TTSN-ASN1 Tieto Norway AS · registered in Norway

IPv4 addresses1,231,87229 prefixes · 0.039% of announced IPv4

Rank in Norway#4largest network in NO by IPv4 space, of 279 · 8.66% of NO

Rank worldwide#303of 79,396 networks with IPv4

IPv616 x /32 (1,048,576 x /48)21 prefixes

CountryNorway309 ASNs registered there

Open AS5619 in ASN lookup Look up an IP in this network (139.105.0.1) All networks in Norway

IPv4 prefixes

All 29 prefixes, in address order.

139.105.0.0/19
139.105.32.0/22
139.105.36.0/24
139.105.37.0/24
139.105.38.0/23
139.105.40.0/21
139.105.48.0/20
139.105.64.0/18
139.105.128.0/17
139.106.0.0/15
139.108.0.0/14
139.112.0.0/13
139.120.0.0/16
146.192.0.0/17
146.213.0.0/16
153.110.0.0/16
192.68.76.0/23
192.68.78.0/24
192.68.79.0/24
192.68.80.0/20
192.146.163.0/24
192.146.164.0/23
192.146.167.0/24
192.146.169.0/24
192.146.170.0/24
194.242.108.0/24
194.242.111.0/24
212.18.128.0/19
217.17.0.0/20

IPv6 prefixes

All 21 prefixes.

2a00:1be8::/29
2a02:9c8::/30
2a02:9cc::/48
2a02:9cc:1::/48
2a02:9cc:2::/47
2a02:9cc:4::/46
2a02:9cc:8::/45
2a02:9cc:10::/44
2a02:9cc:20::/43
2a02:9cc:40::/42
2a02:9cc:80::/41
2a02:9cc:100::/40
2a02:9cc:200::/39
2a02:9cc:400::/38
2a02:9cc:800::/37
2a02:9cc:1000::/36
2a02:9cc:2000::/35
2a02:9cc:4000::/34
2a02:9cc:8000::/33
2a02:9cd::/32
2a02:9ce::/31

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AS29695#5 Altibox_AS Lyse Tele AS1,081,088

AS224#6 UNINETT - Sikt - Kunnskapssektorens Tjenesteleverandor1,050,944

AS15659#7 NEXTGENTEL NextGenTel AS238,080

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources