ProxySpace

ARIN · updated daily

Puerto Rico IP ranges

301 IPv4 blocks with 875,264 addresses and 73 IPv6 prefixes, registered to Puerto Rico, the 95th largest IPv4 holding of 239 countries.

IPv4 addresses

875.3K

IPv4 blocks

301

IPv6 prefixes

73

Share of all IPv4

0.02%

Format

PR.txt

Largest networks in Puerto Rico

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

NetworkASNIPv4 addresses
DATACOM CARIBE, INC.AS10396273,152
Liberty Mobile Puerto Rico Inc.AS1199288,320
Interamerican University of Puerto RicoAS1664965,792
University of Puerto RicoAS578665,536
M247 Europe SRLAS900949,152
Windstream Communications LLCAS702919,456
WorldNet Telecommunications, LLCAS1136719,200
DM Wireless LLCAS5376417,920
QuickPacket, LLCAS4626116,384
Critical Hub NetworksAS2311416,128

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

Largest IPv4 blocks

The biggest single block is 66.50.0.0/16.

BlockAddressesAllocated
66.50.0.0/1665,5362000-11-29
134.202.0.0/1665,5361989-07-19
136.145.0.0/1665,5361989-08-29
164.42.0.0/1665,5361992-10-27
64.237.128.0/1732,7682004-06-18
67.224.128.0/1732,7682007-10-30
72.50.0.0/1732,7682005-07-05
173.215.128.0/1732,7682010-01-12
65.23.192.0/1816,3842003-03-18
67.206.192.0/1816,3842008-01-10
173.228.192.0/1816,3842011-02-09
196.42.0.0/1816,3841998-12-29
207.204.128.0/1816,3842009-05-12
209.91.192.0/1816,3841997-07-09
142.228.192.0/1816,3841992-12-30

Allocations per year

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

1989: 131,328 addresses. 1990: 0 addresses. 1991: 256 addresses. 1992: 169,984 addresses. 170K 1993: 2,560 addresses. 1994: 1,536 addresses. 1995: 6,912 addresses. 1996: 4,096 addresses. 1997: 16,384 addresses. 1998: 32,768 addresses. 1999: 8,192 addresses. 2000: 65,536 addresses. 2001: 8,192 addresses. 2002: 20,480 addresses. 2003: 20,480 addresses. 2004: 32,768 addresses. 2005: 43,008 addresses. 2006: 4,096 addresses. 2007: 66,560 addresses. 2008: 17,408 addresses. 2009: 44,032 addresses. 2010: 48,128 addresses. 2011: 17,920 addresses. 2012: 2,560 addresses. 2013: 15,360 addresses. 2014: 6,400 addresses. 2015: 6,144 addresses. 2016: 12,032 addresses. 2017: 6,656 addresses. 2018: 5,888 addresses. 2019: 8,192 addresses. 2020: 7,424 addresses. 2021: 10,496 addresses. 2022: 4,608 addresses. 2023: 3,840 addresses. 2024: 12,544 addresses. 2025: 4,352 addresses. 2026: 6,144 addresses. 1989 2026

Most recent allocations

BlockAddressesAllocated
69.36.36.0/221,0242026-10-02
143.203.180.0/221,0242026-10-02
205.173.144.0/221,0242026-10-01
23.164.4.0/242562026-09-02
204.52.222.0/242562026-07-01
206.198.180.0/242562026-07-01
65.87.200.0/212,0482026-01-28
23.152.36.0/242562026-01-07
142.248.176.0/221,0242025-10-10
23.143.4.0/242562025-07-30

Use the list

$curl -s https://proxyspace.pro/Ranges/PR.txt -o PR.txt
# Block Puerto Rico with ipset + iptables
ipset create pr4 hash:net
while read net; do ipset add pr4 "$net"; done < PR.txt
iptables -I INPUT -m set --match-set pr4 src -j DROP

# Is an address in Puerto Rico? (Python)
import ipaddress
nets = [ipaddress.ip_network(l) for l in open("PR.txt") if l.strip()]
print(any(ipaddress.ip_address("23.128.16.1") in n for n in nets))

Puerto Rico IP ranges: questions

How many IP addresses does Puerto Rico have?

Puerto Rico holds 875,264 IPv4 addresses in 301 blocks and 73 IPv6 prefixes, the 95th largest IPv4 holding of 239 countries (0.02% of all allocated IPv4). Compare it with other countries on the IP ranges by country page.

Which networks use the most Puerto Rico IP addresses?

DATACOM CARIBE, INC. (AS10396, 273.2K addresses), Liberty Mobile Puerto Rico Inc. (AS11992, 88.3K addresses) and Interamerican University of Puerto Rico (AS16649, 65.8K addresses). Look up any single address with the IP lookup tool.

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

Who assigns IP addresses in Puerto Rico?

ARIN, the regional internet registry for North America. ProxySpace downloads its delegation file every day; the most recent Puerto Rico allocation in it is 2026-10-02.

Are there free proxies in Puerto Rico?

Yes, 5 in the current lists. See free Puerto Rico proxies for the lists per protocol, refreshed every 20 minutes.