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Nauru IP ranges

7 IPv4 blocks with 10,240 addresses and 2 IPv6 prefixes, registered to Nauru, the 214th largest IPv4 holding of 239 countries.

IPv4 addresses

10.2K

IPv4 blocks

7

IPv6 prefixes

2

Share of all IPv4

<0.01%

Format

NR.txt

Largest networks in Nauru

Autonomous systems by the IPv4 addresses they announce inside these ranges.

NetworkASNIPv4 addresses
CenPac Net Inc.AS557227,680
Digicel Nauru CorporationAS1405041,792
NeotelAS152706512
ICTAS141368256

ASN data: IP Geolocation by DB-IP (CC BY 4.0).

Largest IPv4 blocks

The biggest single block is 203.98.224.0/19.

BlockAddressesAllocated
203.98.224.0/198,1921998-03-02
103.36.150.0/235122024-04-23
103.49.174.0/235122015-02-06
43.230.6.0/242562015-02-06
103.20.124.0/242562012-09-17
103.49.173.0/242562015-02-06
203.190.216.0/242562016-09-05

Allocations per year

IPv4 addresses assigned to networks in Nauru each year, by registration date.

1998: 8,192 addresses. 8.2K 1999: 0 addresses. 2000: 0 addresses. 2001: 0 addresses. 2002: 0 addresses. 2003: 0 addresses. 2004: 0 addresses. 2005: 0 addresses. 2006: 0 addresses. 2007: 0 addresses. 2008: 0 addresses. 2009: 0 addresses. 2010: 0 addresses. 2011: 0 addresses. 2012: 256 addresses. 2013: 0 addresses. 2014: 0 addresses. 2015: 1,024 addresses. 2016: 256 addresses. 2017: 0 addresses. 2018: 0 addresses. 2019: 0 addresses. 2020: 0 addresses. 2021: 0 addresses. 2022: 0 addresses. 2023: 0 addresses. 2024: 512 addresses. 1998 2024

Most recent allocations

BlockAddressesAllocated
103.36.150.0/235122024-04-23
203.190.216.0/242562016-09-05
43.230.6.0/242562015-02-06
103.49.173.0/242562015-02-06
103.49.174.0/235122015-02-06
103.20.124.0/242562012-09-17
203.98.224.0/198,1921998-03-02

Use the list

$curl -s https://proxyspace.pro/Ranges/NR.txt -o NR.txt
# Block Nauru with ipset + iptables
ipset create nr4 hash:net
while read net; do ipset add nr4 "$net"; done < NR.txt
iptables -I INPUT -m set --match-set nr4 src -j DROP

# Is an address in Nauru? (Python)
import ipaddress
nets = [ipaddress.ip_network(l) for l in open("NR.txt") if l.strip()]
print(any(ipaddress.ip_address("43.230.6.1") in n for n in nets))

Nauru IP ranges: questions

How many IP addresses does Nauru have?

Nauru holds 10,240 IPv4 addresses in 7 blocks and 2 IPv6 prefixes, the 214th largest IPv4 holding of 239 countries (under 0.01% of all allocated IPv4). Compare it with other countries on the IP ranges by country page.

Which networks use the most Nauru IP addresses?

CenPac Net Inc. (AS55722, 7.7K addresses), Digicel Nauru Corporation (AS140504, 1.8K addresses) and Neotel (AS152706, 512 addresses). Look up any single address with the IP lookup tool.

How do I block all Nauru IP addresses?

Download the list above in the format of your firewall: iptables/ipset, nginx, Apache, ufw or MikroTik. Turn on "aggregate" to merge adjacent blocks into fewer rules. The raw list is at /Ranges/NR.txt, one CIDR per line. To inspect a single block use the CIDR calculator.

Who assigns IP addresses in Nauru?

APNIC, the regional internet registry for Asia-Pacific. ProxySpace downloads its delegation file every day; the most recent Nauru allocation in it is 2024-04-23.

Are there free proxies in Nauru?

Not in the current lists. They change every 20 minutes; the proxies by country page shows which countries have proxies right now.