Data as of Nov 6, 2026

156.21.0.0/23

No anonymizer space · no proxy exits in 30 days

Progress Software Corp - CSG · space held by Progress Software

Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low

Network & registry

Origin network

AS31817

US
Name
Progress Software Corp - CSG
Type
Business
Registered
Dec 31, 2003
Domain
progress.com
Industry
Software Development
Spamhaus ASN-DROP
not listed