Baltimore County Government
Data as of 2026-09-20
BGP inherited
This organisation
| Netblocks | 6 · 6,144 IPv4 addresses |
| Record ID | 241134621 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 12 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 69.67.80.0/20 | Baltimore County Public Schools | ARIN | DIRECT ALLOCATION | ● high |
| 151.196.129.0 – 151.196.131.255 | Baltimore County Public Schools | ARIN | ASSIGNMENT | ● high |
| 167.102.138.0/24 | Baltimore County Government | BGP | ANNOUNCED | ● high |
| 192.110.220.0/23 | Baltimore County Public Schools | ARIN | DIRECT ALLOCATION | ● high |
| 204.145.181.0/24 | Baltimore County Government | BGP | ANNOUNCED | ● high |
| 207.114.31.0/24 | Baltimore County Government | BGP | ANNOUNCED | ● high |
Footprint over time
5 weekly snapshots · JSON
7
+1 netblocks since 2026-08-16
2026-08-16
peak 7
2026-09-20
Network trust
what's this?
RPKI hygiene: D
how networks compare →
28.6%
of checked blocks have valid RPKI ROA coverage
(2 of 7)
Possible discrepancies (2)
These blocks are registered to Baltimore County Government but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 151.196.129.0 – 151.196.131.255 /22 | authorized for AS701 — Verizon Business |
| 207.114.31.0/24 /24 | authorized for AS17054 — Expedient |
NIC Handles
AS53302
BCG-64
BCPS-3
BROOK680-ARIN
BROOK680-ARIN
MORRI1292-ARIN
MORRI1292-ARIN
MORRI1292-ARIN
NSM12-ARIN
NSM12-ARIN
NSM12-ARIN
NSM12-ARIN