Autonomous System

AS5391 Hrvatski Telekom d.d.

ISPActiveCroatiaRIPE

AS5391 (T-HT) is an ISP network operated by Hrvatski Telekom d.d. in Croatia, registered with RIPE. It has 47 IPv4 prefixes with 1,312,256 addresses and 2 IPv6 prefixes, which makes it the 367th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses1,312,256in 47 prefixes
IPv6 prefixes2≈ 7.1 × 10²⁹ addresses
Size rank#367of 82,200 active ASNs
Abuser scoreVery Low0.05% of its addresses flagged · method

Details

OrganizationHrvatski Telekom d.d.
AS nameT-HT
Websitet.ht.hr
Country Croatia (HR)
Network typeISP
RegistryRIPE
Abuse contactabuse@t.ht.hr
Registered2002-05-10
Last updated2026-09-03

IPv4 prefixes

47 prefixes · 1,312,256 addresses
NetworkAddressesFirst – last address
78.0.0.0/1665,53678.0.0.0 – 78.0.255.255
78.1.0.0/1665,53678.1.0.0 – 78.1.255.255
78.2.0.0/1665,53678.2.0.0 – 78.2.255.255
78.3.0.0/1665,53678.3.0.0 – 78.3.255.255
83.131.0.0/1665,53683.131.0.0 – 83.131.255.255
89.172.0.0/1665,53689.172.0.0 – 89.172.255.255
93.136.0.0/1665,53693.136.0.0 – 93.136.255.255
93.137.0.0/1665,53693.137.0.0 – 93.137.255.255
93.138.0.0/1665,53693.138.0.0 – 93.138.255.255
93.139.0.0/1665,53693.139.0.0 – 93.139.255.255
93.140.0.0/1665,53693.140.0.0 – 93.140.255.255
93.141.0.0/1665,53693.141.0.0 – 93.141.255.255
93.142.0.0/1665,53693.142.0.0 – 93.142.255.255
93.143.0.0/1665,53693.143.0.0 – 93.143.255.255
195.29.0.0/1665,536195.29.0.0 – 195.29.255.255
31.217.0.0/1732,76831.217.0.0 – 31.217.127.255
46.188.128.0/1732,76846.188.128.0 – 46.188.255.255
178.160.0.0/1732,768178.160.0.0 – 178.160.127.255
83.131.0.0/1816,38483.131.0.0 – 83.131.63.255
93.137.128.0/1816,38493.137.128.0 – 93.137.191.255
178.160.0.0/1816,384178.160.0.0 – 178.160.63.255
194.152.192.0/1816,384194.152.192.0 – 194.152.255.255
195.29.0.0/1816,384195.29.0.0 – 195.29.63.255
195.29.64.0/1816,384195.29.64.0 – 195.29.127.255
195.29.128.0/1816,384195.29.128.0 – 195.29.191.255
The 25 largest of 47. The API and the database have all of them.

IPv6 prefixes

2 prefixes
  • 2a00:c30::/29
  • 2a00:c30::/32

Query AS5391 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS5391&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS5391, with or without a key:

curl "https://api.ipapi.is/?q=78.0.0.1"

Other networks of Hrvatski Telekom d.d.

AS13046 Hrvatski Telekom d.d.325,120 IPv4 addresses

Largest networks in Croatia

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