81.90.52.0/24

Access unlimited lookups, API and downloads, data enrichment, and Probenet Live.

Summary

IP address summary information
ASN	AS29003 — IP TELECOM, SERVICOS DE TELECOMUNICACOES S.A.
BGP Prefix	81.90.48.0/20
Pingable IPs	82
Routers	14


81.90.52.0	81-90-52-0.addr.refertelecom.pt
81.90.52.1	81-90-52-1.addr.refertelecom.pt	Ping
81.90.52.2	81-90-52-2.addr.refertelecom.pt	Ping
81.90.52.3	81-90-52-3.addr.refertelecom.pt
81.90.52.4	81-90-52-4.addr.refertelecom.pt
81.90.52.5	81-90-52-5.addr.refertelecom.pt
81.90.52.6	81-90-52-6.addr.refertelecom.pt
81.90.52.7	81-90-52-7.addr.refertelecom.pt
81.90.52.8	81-90-52-8.addr.refertelecom.pt
81.90.52.9	81-90-52-9.addr.refertelecom.pt
81.90.52.10	81-90-52-10.addr.refertelecom.pt
81.90.52.11	81-90-52-11.addr.refertelecom.pt
81.90.52.12	81-90-52-12.addr.refertelecom.pt
81.90.52.13	81-90-52-13.addr.refertelecom.pt	Ping
81.90.52.14	81-90-52-14.addr.refertelecom.pt	Ping

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$ traceroute -a -n -q1 -f3 81.90.52.241

traceroute to 81.90.52.241 (81.90.52.241): 64 hops max, 52 byte packets

3 [AS1930] 193.136.250.100 0.406 ms

4 [AS29003] 81.90.52.241 0.392 ms

Measurement taken from

IPinfo ProbeNet in Lisbon, PT

On July 21, 2026

Traceroute

An API built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

81.90.52.0/24

Summary

Traceroute

Traceroute

An API built with users in mind: reliable, accurate, and easy-to-use

Our IP tools

What is my IP?

Map IPs

Summarize IPs

Traceroute

81.90.52.0/24

Summary

IP Addresses

IP Addresses

Traceroute

Traceroute

An API built with users in mind: reliable, accurate, and easy-to-use

Our IP tools

What is my IP?

Map IPs

Summarize IPs

IP Addresses

Traceroute