AS2153 CENIC 🇺🇸 US
Announcing 14 prefixes, seen at the RIS collectors.
IPv4 prefixes
12
3,584 (14 × /24)
IPv6 prefixes
2
257 × /48
Upstreams
3
transit providers observed
Peers
2
settlement-free adjacencies
Downstreams
27
transit customers observed
Customer cone
102
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
- RADB::AS-CALRENHPR
- Website
- https://cenic.org
- PeeringDB
- net/14184
- Exchanges
- 1
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
2 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 2001:468:e00::/40 v6 | no ROA | 1 | 33331103115372153 | 2026-09-18 |
| 2607:f380:4::/48 v6 | RPKI valid | 1 | 33331103115372153 | 2026-09-18 |