AS11829 Cadence Design Systems, Inc. 🇺🇸 US

Announcing 6 prefixes, seen at the RIS collectors.

IPv4 prefixes
6
1,536 (6 × /24)
IPv6 prefixes
0
-
Upstreams
4
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS11829
Name
Cadence Design Systems, Inc.
Organisation
Cadence Design Systems, Inc.
Country
🇺🇸 US
RIR
ARIN
Allocated
1999-01-05

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 6 no ROA (100.0%)

Announced prefixes

6 in total

Prefix RPKI Peers Sample path First seen
158.140.1.0/24 v4 no ROA 43 3772133563366711829 2026-09-18
158.140.2.0/24 v4 no ROA 43 3772133563366711829 2026-09-18
158.140.5.0/24 v4 no ROA 43 3772133563366711829 2026-09-18
192.190.239.0/24 v4 no ROA 43 3772133563366711829 2026-09-18
192.203.56.0/24 v4 no ROA 43 3772133563366711829 2026-09-18
199.43.4.0/24 v4 no ROA 43 37721335611829 2026-09-18