Data as of Nov 12, 2026

139.71.4.0/24

No anonymizer space · no proxy exits in 30 days

American Express Company

Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Aug 2026
from AS6307 American Express Company

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Oct 2022
Current origin since
Aug 2026 · 3 mo
Origin networks
1