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
- 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
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 |