AS399937

Name: AS399937 — Cisco Webex LLC
Creator: ipdex

Cisco Webex LLC Unknown registered in United States

13IPv4 prefixes

0IPv6 prefixes

38%RPKI-valid

#78,796AS Rank

327/327RIS visibility

#2,580Rank in United States

2021-08-10Allocated

Cisco Webex LLC (AS399937) — Unknown, registered in United States. announces 13 IPv4 prefixes + 0 IPv6 prefixes. Rank in United States: #2580. Allocated: 2021-08-10.

IPv4 13IPv6 0

Announced prefixes · 13

v4 139.177.84.0/24 valid
v4 139.177.85.0/24 valid
v4 139.177.86.0/24 valid
v4 139.177.87.0/24 unknown
v4 139.177.88.0/24 unknown
v4 139.177.89.0/24 unknown
v4 139.177.90.0/24 unknown
v4 139.177.91.0/24 unknown
v4 139.177.92.0/24 unknown
v4 139.177.93.0/24 unknown
v4 158.222.48.0/24 valid
v4 158.222.49.0/24 valid
v4 8.38.216.0/24 unknown

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 13 IPv4 · 0 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	13
2026-06-13	13

AS topology · Customer cone 1

Providers · 5

AS3356 Level 3 Parent, LLC
AS4637 Telstra Global
AS1221 Telstra Limited
AS7474 SingTel Optus Pty Ltd
AS13445 Cisco Webex LLC

Peers · 1

AS1000 LINK AMERICAN

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