AS21589 City of San Jose 🇺🇸 US

Announcing 26 prefixes, seen at the RIS collectors.

IPv4 prefixes
25
10,752 (42 × /24)
IPv6 prefixes
1
1 × /48
Upstreams
3
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
AS21589
Name
City of San Jose
Organisation
City of San Jose
Country
🇺🇸 US
RIR
ARIN
Allocated
2012-10-04

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

1 valid (3.8%) 0 invalid (0.0%) 25 no ROA (96.2%)

Announced prefixes

25 in total

Prefix RPKI Peers Sample path First seen
156.39.0.0/24 v4 no ROA 47 34549325721589 2026-09-18
156.39.1.0/24 v4 no ROA 47 34549325721589 2026-09-18
156.39.2.0/24 v4 no ROA 47 34549325721589 2026-09-18
156.39.3.0/24 v4 no ROA 47 34549325721589 2026-09-18
156.39.5.0/24 v4 no ROA 47 34549325721589 2026-09-18
156.39.10.0/24 v4 no ROA 47 34549325721589 2026-09-18
156.39.11.0/24 v4 no ROA 47 34549325721589 2026-09-18
156.39.12.0/24 v4 no ROA 47 34549325721589 2026-09-18
156.39.13.0/24 v4 no ROA 46 37721693921589 2026-09-18
156.39.15.0/24 v4 no ROA 47 34549325721589 2026-09-18
156.39.28.0/24 v4 no ROA 47 34549325721589 2026-09-18
156.39.48.0/21 v4 no ROA 47 34549325721589 2026-09-18
156.39.60.0/24 v4 no ROA 47 34549325721589 2026-09-18
156.39.62.0/24 v4 no ROA 47 34549325721589 2026-09-18
156.39.63.0/24 v4 no ROA 47 34549325721589 2026-09-18
156.39.64.0/22 v4 no ROA 43 34549325721589 2026-09-23
156.39.68.0/24 v4 no ROA 43 34549325721589 2026-09-23
156.39.69.0/24 v4 no ROA 43 34549325721589 2026-09-23
156.39.73.0/24 v4 no ROA 47 34549325721589 2026-09-18
156.39.99.0/24 v4 no ROA 43 34549325721589 2026-09-23
156.39.125.0/24 v4 no ROA 47 34549325721589 2026-09-18
156.39.127.0/24 v4 no ROA 47 34549325721589 2026-09-18
156.39.131.0/24 v4 no ROA 47 34549325721589 2026-09-18
156.39.136.0/21 v4 no ROA 47 34549325721589 2026-09-18
156.39.160.0/24 v4 no ROA 43 701821589 2026-09-18