County of San Mateo
Data as of 2026-08-09
BGP inherited
Cluster stats
| Netblocks | 3 · 8,192 IPv4 addresses |
| All fragments | 47 blocks across 4 clusters |
| Cluster ID | 218171059 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 21 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (3)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 204.114.32.0/19 | County of San Mateo | BGP | ANNOUNCED | ● high |
| 204.114.32.0/20 | County of San Mateo | BGP | ANNOUNCED | ● high |
| 204.114.48.0/20 | County of San Mateo | BGP | ANNOUNCED | ● high |
NIC Handles
AS395323
CSM-13
CSMNS-ARIN
CSMNS-ARIN
CSMNS-ARIN
MOHAM115-ARIN
MOHAM115-ARIN
MOHAM115-ARIN
MOHAM115-ARIN
MOHAM115-ARIN
POSTE14-ARIN
POSTE14-ARIN
+9 more