Data as of Nov 12, 2026

170.72.16.0/21

No anonymizer space · no proxy exits in 30 days

Cisco Webex LLC

Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
170.72.16.0/20
since Jul 2020
AS13445BusinessCisco Webex LLC
170.72.0.0/19
since Jul 2020
AS13445BusinessCisco Webex LLC

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Apr 2021
Current origin since
Apr 2021 · 5.5 yr
Origin networks
1