AS5391 T-HT Hrvatski Telekom d.d.

T-HT Hrvatski Telekom d.d. · registered in Croatia

IPv4 addresses1,124,35269 prefixes · 0.036% of announced IPv4

Rank in Croatia#1largest network in HR by IPv4 space, of 149 · 47.81% of HR

Rank worldwide#332of 79,396 networks with IPv4

IPv68 x /32 (524,288 x /48)1 prefixes

CountryCroatia151 ASNs registered there

Open AS5391 in ASN lookup Look up an IP in this network (31.216.192.1) All networks in Croatia

IPv4 prefixes

All 69 prefixes, in address order.

31.216.192.0/19
31.217.0.0/17
46.188.128.0/18
46.188.192.0/20
46.188.208.0/21
46.188.216.0/21
46.188.224.0/19
78.0.0.0/14
83.131.0.0/21
83.131.8.0/24
83.131.9.0/24
83.131.10.0/23
83.131.12.0/22
83.131.16.0/20
83.131.32.0/19
83.131.64.0/18
83.131.128.0/17
87.252.128.0/20
87.252.144.0/22
87.252.148.0/23
87.252.150.0/24
87.252.151.0/24
87.252.152.0/22
87.252.156.0/22
89.172.0.0/16
93.136.0.0/16
93.137.0.0/17
93.137.128.0/18
93.137.192.0/18
93.138.0.0/15
93.140.0.0/14
93.159.64.0/19
178.160.0.0/17
188.125.0.0/21
188.125.8.0/22
188.125.12.0/23
188.125.14.0/24
194.152.192.0/22
194.152.196.0/23
194.152.198.0/24
194.152.199.0/24
194.152.200.0/21
194.152.208.0/22
194.152.212.0/24
194.152.214.0/24
194.152.216.0/21
194.152.224.0/21
194.152.234.0/23
194.152.236.0/23
194.152.239.0/24
194.152.240.0/22
194.152.244.0/23
194.152.247.0/24
194.152.248.0/21
195.29.0.0/18
195.29.64.0/20
195.29.80.0/21
195.29.88.0/23
195.29.90.0/24
195.29.92.0/22
195.29.96.0/19
195.29.128.0/21
195.29.136.0/23
195.29.138.0/24
195.29.140.0/22
195.29.144.0/20
195.29.160.0/19
195.29.192.0/18
213.202.71.0/24

IPv6 prefixes

All 1 prefix.

2a00:c30::/29

Similar-sized networks in Croatia

ASNNameIPv4 addresses

AS2108#2 CARNet-AS Croatian Academic and Research Network230,144

AS31012#3 DCM-AS A1 Hrvatska d.o.o.161,024

AS13046#4 ASN-ISKON Hrvatski Telekom d.d.136,704

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