ProxySpace

LACNIC · updated daily

Cuba IP ranges

21 IPv4 blocks with 257,024 addresses and 6 IPv6 prefixes, registered to Cuba, the 134th largest IPv4 holding of 239 countries.

IPv4 addresses

257K

IPv4 blocks

21

IPv6 prefixes

6

Share of all IPv4

<0.01%

Format

CU.txt

Largest networks in Cuba

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

NetworkASNIPv4 addresses
Empresa de Telecomunicaciones de Cuba, S.A.AS27725190,464
Red CENIAInternetAS1056965,536
EMPRESA DE TELECOMUNICACIONES DE CUBA S.A. (IXP CUBA)AS11960256

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

Largest IPv4 blocks

The biggest single block is 152.206.0.0/15.

BlockAddressesAllocated
152.206.0.0/15131,0722014-06-04
169.158.0.0/1665,5361995-01-12
181.225.224.0/198,1922013-04-15
200.55.128.0/198,1922002-12-09
190.6.64.0/204,0962007-05-14
190.6.80.0/204,0962010-07-20
190.15.144.0/204,0962011-03-28
190.92.112.0/204,0962012-09-03
190.107.0.0/204,0962008-06-26
200.55.160.0/204,0962004-04-28
200.55.176.0/204,0962005-06-16
201.220.192.0/204,0962005-10-27
201.220.208.0/204,0962006-04-18
200.13.144.0/212,0482005-07-11
200.14.48.0/212,0482006-06-13

Allocations per year

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

1994: 512 addresses. 1995: 66,816 addresses. 1996: 0 addresses. 1997: 0 addresses. 1998: 0 addresses. 1999: 0 addresses. 2000: 0 addresses. 2001: 0 addresses. 2002: 8,192 addresses. 2003: 256 addresses. 2004: 5,120 addresses. 2005: 10,240 addresses. 2006: 6,144 addresses. 2007: 4,096 addresses. 2008: 4,096 addresses. 2009: 0 addresses. 2010: 4,096 addresses. 2011: 4,096 addresses. 2012: 4,096 addresses. 2013: 8,192 addresses. 2014: 131,072 addresses. 131.1K 1994 2014

Most recent allocations

BlockAddressesAllocated
152.206.0.0/15131,0722014-06-04
181.225.224.0/198,1922013-04-15
190.92.112.0/204,0962012-09-03
190.15.144.0/204,0962011-03-28
190.6.80.0/204,0962010-07-20
190.107.0.0/204,0962008-06-26
190.6.64.0/204,0962007-05-14
200.14.48.0/212,0482006-06-13
201.220.208.0/204,0962006-04-18
201.220.192.0/204,0962005-10-27

Use the list

$curl -s https://proxyspace.pro/Ranges/CU.txt -o CU.txt
# Block Cuba with ipset + iptables
ipset create cu4 hash:net
while read net; do ipset add cu4 "$net"; done < CU.txt
iptables -I INPUT -m set --match-set cu4 src -j DROP

# Is an address in Cuba? (Python)
import ipaddress
nets = [ipaddress.ip_network(l) for l in open("CU.txt") if l.strip()]
print(any(ipaddress.ip_address("152.206.0.1") in n for n in nets))

Cuba IP ranges: questions

How many IP addresses does Cuba have?

Cuba holds 257,024 IPv4 addresses in 21 blocks and 6 IPv6 prefixes, the 134th 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 Cuba IP addresses?

Empresa de Telecomunicaciones de Cuba, S.A. (AS27725, 190.5K addresses), Red CENIAInternet (AS10569, 65.5K addresses) and EMPRESA DE TELECOMUNICACIONES DE CUBA S.A. (IXP CUBA) (AS11960, 256 addresses). Look up any single address with the IP lookup tool.

How do I block all Cuba 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/CU.txt, one CIDR per line. To inspect a single block use the CIDR calculator.

Who assigns IP addresses in Cuba?

LACNIC, the regional internet registry for Latin America and the Caribbean. ProxySpace downloads its delegation file every day; the most recent Cuba allocation in it is 2014-06-04.

Are there free proxies in Cuba?

Yes, 1 in the current lists. See free Cuba proxies for the lists per protocol, refreshed every 20 minutes.