CENIC / CalREN AS2152
BGP inherited
Cluster stats
| Netblocks | 16 |
| All fragments | 40 blocks across 2 clusters |
| Cluster ID | 207719668 |
| Registry | PEERINGDB |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 1 shared RIR contact/maintainer handle |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
4 weekly snapshots · JSON
16
0 netblocks since 2026-07-05
2026-07-05
peak 16
2026-07-13
IP Ranges (16)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 101.203.74.85/32 | CENIC / CalREN AS2152 | PEERINGDB | ASSIGNED | ● high |
| 101.203.74.86/32 | CENIC / CalREN AS2152 | PEERINGDB | ASSIGNED | ● high |
| 149.112.104.32/32 | CENIC / CalREN AS2152 | PEERINGDB | ASSIGNED | ● high |
| 198.32.176.33/32 | CENIC / CalREN AS2152 | PEERINGDB | ASSIGNED | ● high |
| 206.53.172.40/32 | CENIC / CalREN AS2152 | PEERINGDB | ASSIGNED | ● high |
| 206.53.206.142/32 | CENIC / CalREN AS2152 | PEERINGDB | ASSIGNED | ● high |
| 206.223.117.118/32 | CENIC / CalREN AS2152 | PEERINGDB | ASSIGNED | ● high |
| 206.223.123.95/32 | CENIC / CalREN AS2152 | PEERINGDB | ASSIGNED | ● high |
| 2001:504:0:1::2152:1/128 | CENIC / CalREN AS2152 | PEERINGDB | ASSIGNED | ● high |
| 2001:504:0:3::2152:1/128 | CENIC / CalREN AS2152 | PEERINGDB | ASSIGNED | ● high |
| 2001:504:a::a500:2152:1/128 | CENIC / CalREN AS2152 | PEERINGDB | ASSIGNED | ● high |
| 2001:504:d::21/128 | CENIC / CalREN AS2152 | PEERINGDB | ASSIGNED | ● high |
| 2403:c780:7200:b074::2152:1/128 | CENIC / CalREN AS2152 | PEERINGDB | ASSIGNED | ● high |
| 2403:c780:7200:b074::2152:2/128 | CENIC / CalREN AS2152 | PEERINGDB | ASSIGNED | ● high |
| 2606:a980:0:5::28/128 | CENIC / CalREN AS2152 | PEERINGDB | ASSIGNED | ● high |
| 2606:a980:0:e::e/128 | CENIC / CalREN AS2152 | PEERINGDB | ASSIGNED | ● high |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
50.0%
of checked blocks have valid RPKI ROA coverage
(8 of 16)
No discrepancies found among checked blocks.
NIC Handles
AS2152