Data as of Nov 13, 2026

147.203.72.0/24

No anonymizer space · no proxy exits in 30 days

American Internet Services, LLC. · space held by ALPHAREL/optigraphics Corporation

Announcement
this exact prefix
No RPKI
Announced by
Type
Hosting
Risk
50 / 100 · Medium

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
147.203.0.0/17
since Feb 2024
AS11320HostingALPHAREL/optigraphics Corporation
147.203.0.0/16
since Feb 2024
AS11320HostingALPHAREL/optigraphics Corporation

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Mar 2015
Current origin since
Nov 2019 · 7.0 yr
Origin networks
1