AS31012 is the autonomous system of A1 Hrvatska d.o.o.. It holds 161,024 IPv4 addresses in 30 prefixes plus 4 IPv6 ranges, mainly in 
Croatia.
By IPv4 addresses the network ranks #1,238 worldwide and #3 of 149 networks in Croatia. That is 6.4% of the country’s IPv4 space.
The largest block is 109.60.0.0 to 109.60.127.255 with 32,768 addresses, geolocated to Zagreb.
- IPv4 addresses
- 161,024
- IPv4 prefixes
- 30
- World rank
- #1,238
- Country share
- 6.4%
- IPv6 ranges
- 4
Addresses by country
- Croatia 100%
Largest blocks
- 109.60.0.0 Zagreb32,768
- 94.253.128.0 Marinići32,768
- 88.207.0.0 Zagreb32,768
- 188.252.128.0 Rijeka17,408
- 188.252.200.0 Stobreč14,336
- 83.139.71.0 Zagreb12,544
- 46.234.64.0 Karlovac8,192
- 213.149.52.0 Dugo Selo2,304
Networks of similar size
- AS35244 Tele Columbus AG
162,560 - AS12129 123.Net, Inc.
162,560 - AS13693 NTS Communications, LLC161,792
- AS328471 HERO TELECOMS (PTY) LTD
161,280 - AS7782 Alaska Communications Systems Group, Inc.160,768
- AS22646 Hargray Communications Group, Inc.160,768
- AS3663 NetNet160,768
- AS262197 MILLICOM CABLE COSTA RICA S.A.
160,768
IPv4 prefixes
- 46.234.64.0/19
- 83.139.64.0/23
- 83.139.66.0/24
- 83.139.68.0/23
- 83.139.71.0/24
- 83.139.72.0/21
- 83.139.80.0/20
- 83.139.96.0/20
- 83.139.112.0/21
- 83.139.121.0/24
- 83.139.122.0/23
- 83.139.124.0/22
- 88.207.0.0/17
- 94.253.128.0/17
- 109.60.0.0/17
- 188.252.128.0/18
- 188.252.192.0/22
- 188.252.200.0/21
- 188.252.208.0/20
- 188.252.224.0/19
- 213.149.32.0/21
- 213.149.40.0/24
- 213.149.42.0/23
- 213.149.44.0/22
- 213.149.48.0/23
- 213.149.50.0/24
- 213.149.52.0/22
- 213.149.56.0/22
- 213.149.60.0/24
- 213.149.63.0/24
Questions and answers
Who owns AS31012?
Autonomous system AS31012 is operated by A1 Hrvatska d.o.o..
How many IP addresses does AS31012 have?
The network holds 161,024 IPv4 addresses in 30 prefixes, plus 4 IPv6 ranges.
Which country is AS31012 in?
The main country is Croatia.
How big is AS31012?
By IPv4 addresses it ranks #1,238 worldwide.
What is the largest address block of AS31012?
109.60.0.0 to 109.60.127.255, 32,768 addresses.