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AFRINIC · updated daily

São Tomé & Príncipe IP ranges

5 IPv4 blocks with 12,288 addresses and 1 IPv6 prefixes, registered to São Tomé & Príncipe, the 207th largest IPv4 holding of 239 countries.

IPv4 addresses

12.3K

IPv4 blocks

5

IPv6 prefixes

1

Share of all IPv4

<0.01%

Format

ST.txt

Largest networks in São Tomé & Príncipe

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

NetworkASNIPv4 addresses
Companhia Santomense de TelecomunicacoesAS32819110,240
UNITEL STP SARLAS3277251,024

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

Largest IPv4 blocks

The biggest single block is 197.159.160.0/19.

BlockAddressesAllocated
197.159.160.0/198,1922011-10-25
102.201.20.0/221,0242026-09-24
102.202.92.0/221,0242026-05-19
102.206.44.0/221,0242025-06-18
154.72.12.0/221,0242014-01-30

Allocations per year

IPv4 addresses assigned to networks in São Tomé & Príncipe each year, by registration date.

2011: 8,192 addresses. 8.2K 2012: 0 addresses. 2013: 0 addresses. 2014: 1,024 addresses. 2015: 0 addresses. 2016: 0 addresses. 2017: 0 addresses. 2018: 0 addresses. 2019: 0 addresses. 2020: 0 addresses. 2021: 0 addresses. 2022: 0 addresses. 2023: 0 addresses. 2024: 0 addresses. 2025: 1,024 addresses. 2026: 2,048 addresses. 2011 2026

Most recent allocations

BlockAddressesAllocated
102.201.20.0/221,0242026-09-24
102.202.92.0/221,0242026-05-19
102.206.44.0/221,0242025-06-18
154.72.12.0/221,0242014-01-30
197.159.160.0/198,1922011-10-25

Use the list

$curl -s https://proxyspace.pro/Ranges/ST.txt -o ST.txt
# Block São Tomé & Príncipe with ipset + iptables
ipset create st4 hash:net
while read net; do ipset add st4 "$net"; done < ST.txt
iptables -I INPUT -m set --match-set st4 src -j DROP

# Is an address in São Tomé & Príncipe? (Python)
import ipaddress
nets = [ipaddress.ip_network(l) for l in open("ST.txt") if l.strip()]
print(any(ipaddress.ip_address("102.201.20.1") in n for n in nets))

São Tomé & Príncipe IP ranges: questions

How many IP addresses does São Tomé & Príncipe have?

São Tomé & Príncipe holds 12,288 IPv4 addresses in 5 blocks and 1 IPv6 prefixes, the 207th 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 São Tomé & Príncipe IP addresses?

Companhia Santomense de Telecomunicacoes (AS328191, 10.2K addresses) and UNITEL STP SARL (AS327725, 1K addresses). Look up any single address with the IP lookup tool.

How do I block all São Tomé & Príncipe 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/ST.txt, one CIDR per line. To inspect a single block use the CIDR calculator.

Who assigns IP addresses in São Tomé & Príncipe?

AFRINIC, the regional internet registry for Africa. ProxySpace downloads its delegation file every day; the most recent São Tomé & Príncipe allocation in it is 2026-09-24.

Are there free proxies in São Tomé & Príncipe?

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