IP address ranges in Sao Tome and Principe

Sao Tome and Principe holds 35 IPv4 segments in the IP99 geolocation database, covering 13,421 addresses. In the 7 days to 27 October 2026 we newly captured 1,241 proxy-type addresses there.

Network usage types

The ratio of residential broadband to datacenter address space is the most direct indicator of what kind of proxy risk a region carries: a high datacenter share means datacenter proxies are more likely; a high residential share means home-broadband proxies and dial-up pools are.

Usage type	Segments	Share
Residential broadband	4	50.0%
Mobile network	4	50.0%

Regions

Region	Segments	Share
Sao Tome Island	35	100.0%

Cities

City	Segments	Share
São Tomé	35	100.0%

Autonomous systems

An ASN identifies the operator of a network. Addresses under one ASN usually share risk characteristics, which is why risk controls often act on whole ASNs rather than single addresses. Operator names are not published here — the machine-readable identity is the ASN.

ASN	Segments
AS54113	11
AS13335	8
AS36183	4
AS328191	4
AS55256	3
AS327725	1
AS2647	1
AS60171	1
AS14593	1
AS15169	1

Look up a single address

Free, no signup: curl https://ip99.com/v1/ip/8.8.8.8 — see the API documentation.

Go deeper

What is my IP address? · How IP location works, and how accurate it is · What an IP address lookup can and cannot tell you