IP ranges in Iceland

This page lists the IPv4 address blocks registered to organisations in Iceland and checks single addresses. The basics of IP addresses, masks and subnets are in Networks; the other countries are in IP ranges by country.

Iceland in numbers

The 48 countries here hold 725,908,608 IPv4 addresses; Iceland has 920,576 in 174 blocks, 0.127% of the total, rank 36 of 48. The country just above it is Moldova with 1,258,496 addresses (0.173%), the one just below Bosnia and Herzegovina with 795,136 addresses (0.110%). There are 174 blocks: 154 allocated (88.5%) and 20 assigned (11.5%). The oldest block was delegated in 1988 and the newest in 2025; 2015 is the year with the most new blocks. The largest share of the addresses, 537,344 of 920,576 (58.4%), came in the 2000s. The same RIPE file lists 72 IPv6 prefixes and 86 AS numbers for Iceland.

Check an IP address

Type an IPv4 address. The answer comes from the Sypex Geo database on this server; like every geolocation database it can be wrong, especially about the city.

Where the list comes from

IP addresses are handed out by five regional internet registries. For Iceland the registry is RIPE NCC, which publishes every day which address blocks it has delegated to which country. A block registered in Iceland is usually used there, but not always: a company may use its addresses abroad, and a VPN makes any visitor look like someone else.

The table below is the RIPE file of 2026-10-29: 174 blocks with 920,576 addresses. The largest block holds 65,536 addresses and starts at 82.221.0.0.

Get the list yourself

Download the statistics file of RIPE NCC:

curl -s -O https://ftp.ripe.net/pub/stats/ripencc/delegated-ripencc-latest

The first line says when it was made; the sixth field is the date:

head -1 delegated-ripencc-latest

2|ripencc|1793314799|167770|19700101|20261029|+0100

Each later line is one block: registry, country, type, first address, number of addresses, date and status. The IPv4 blocks of Iceland, sorted by first address:

awk -F'|' '$2=="IS" && $3=="ipv4"' delegated-ripencc-latest | sort -t'|' -k1,1V | head -3

ripencc|IS|ipv4|5.23.64.0|8192|20120507|allocated ripencc|IS|ipv4|31.15.112.0|2048|20110420|allocated ripencc|IS|ipv4|31.43.172.0|512|20110301|assigned

How many blocks, and how many addresses they hold together:

awk -F'|' '$2=="IS" && $3=="ipv4"' delegated-ripencc-latest | wc -l

174

awk -F'|' '$2=="IS" && $3=="ipv4" {s+=$5} END {print s}' delegated-ripencc-latest

920576

allocated means RIPE gave the block to a provider (a LIR) to hand out further; assigned means it went to an end user directly.

Who owns a block

The statistics name no owners. The RIPE database does: ask it with whois for any address of a block, and look at the lines netname, descr and org:

whois 82.221.0.1

All IPv4 blocks in Iceland

From the RIPE file of 2026-10-29, sorted by address. The last address is the first one plus the size minus one.

Article author: Arthur Isaev