AS2153 CENIC 🇺🇸 US

Announcing 13 prefixes, seen at the RIS collectors.

IPv4 prefixes
11
3,328 (13 × /24)
IPv6 prefixes
2
257 × /48
Upstreams
3
transit providers observed
Peers
2
settlement-free adjacencies
Downstreams
26
transit customers observed
Customer cone
53
ASes reachable through it

Registry and operator data

AS number
AS2153
Name
CENIC
Organisation
CENIC / CalREN AS2153
Country
🇺🇸 US
RIR
ARIN
Allocated
2024-07-08
Network type
Educational/Research
Scope
Regional
Peering policy
Selective
IRR as-set
AS-CALRENHPR
PeeringDB
net/14184
Exchanges
1

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

8 valid (61.5%) 0 invalid (0.0%) 5 no ROA (38.5%)

Announced prefixes

13 in total

Prefix RPKI Peers Sample path First seen
130.150.12.0/23 v4 no ROA 3 460875752153 2026-09-18
132.241.61.0/24 v4 no ROA 3 460875752153 2026-09-18
136.168.238.0/24 v4 no ROA 3 460875752153 2026-09-18
137.150.137.0/24 v4 no ROA 3 460875752153 2026-09-18
137.164.17.0/24 v4 RPKI valid 3 460875752153 2026-09-18
137.164.25.0/24 v4 RPKI valid 3 460875752153 2026-09-18
137.164.26.0/23 v4 RPKI valid 3 460875752153 2026-09-18
137.164.28.0/24 v4 RPKI valid 3 460875752153 2026-09-18
205.154.51.0/24 v4 RPKI valid 3 460875752153 2026-09-18
209.129.60.0/24 v4 RPKI valid 3 460875752153 2026-09-18
209.129.61.0/24 v4 RPKI valid 3 460875752153 2026-09-18
2001:468:e00::/40 v6 no ROA 1 33331103115372153 2026-09-18
2607:f380:4::/48 v6 RPKI valid 1 33331103115372153 2026-09-18