# Management Subnet Overlap Analysis

## Summary of Management Subnets by Site

### 1. **Climax** (10.254.254.102)
- **Management Subnet**: 10.10.31.254/20
- **Network**: 10.10.16.0/20
- **IP Range**: 10.10.16.0 - 10.10.31.255
- **Interface**: mgmt

### 2. **Culleoka** (10.254.254.104)
- **Management Subnet**: 10.10.111.254/20
- **Network**: 10.10.96.0/20
- **IP Range**: 10.10.96.0 - 10.10.111.255
- **Interface**: vlan10_ether2

### 3. **494 Site** (10.254.254.111)
- **Management Subnet**: 10.10.175.254/20
- **Network**: 10.10.160.0/20
- **IP Range**: 10.10.160.0 - 10.10.175.255
- **Interface**: management

### 4. **982 Site** (10.254.254.110)
- **Management Subnet**: 10.10.63.254/20
- **Network**: 10.10.48.0/20
- **IP Range**: 10.10.48.0 - 10.10.63.255
- **Interface**: mgmt

### 5. **New Hope** (10.254.254.108)
- **Management Subnet**: 10.10.143.254/20
- **Network**: 10.10.128.0/20
- **IP Range**: 10.10.128.0 - 10.10.143.255
- **Interface**: bridge_cpe_mgmt

### 6. **Lowry Crossing** (10.254.254.109)
- **Management Subnet**: 10.10.159.254/20
- **Network**: 10.10.144.0/20
- **IP Range**: 10.10.144.0 - 10.10.159.255
- **Interface**: management

### 7. **380 Core** (10.254.254.253)
- **Management Subnet**: 10.10.79.254/20
- **Network**: 10.10.64.0/20
- **IP Range**: 10.10.64.0 - 10.10.79.255
- **Interface**: vlan10_combo1

### 8. **380 Edge** (10.254.254.254)
- **No management subnet in the 10.10.x.x range**

## Overlap Analysis

### ✅ **NO OVERLAPS DETECTED**

All sites use different /20 management subnets within the 10.10.0.0/16 range:

1. **10.10.16.0/20** - Climax
2. **10.10.48.0/20** - 982 Site
3. **10.10.64.0/20** - 380 Core
4. **10.10.96.0/20** - Culleoka
5. **10.10.128.0/20** - New Hope
6. **10.10.144.0/20** - Lowry Crossing
7. **10.10.160.0/20** - 494 Site

## Key Observations

1. **Consistent Subnet Size**: All management networks use /20 subnets (4,096 addresses each)
2. **Sequential Allocation**: The subnets appear to be allocated sequentially within the 10.10.0.0/16 space
3. **Common VLAN**: Most sites use VLAN 10 for management traffic
4. **No Conflicts**: Each site has its own unique management subnet with no overlaps

## Available Management Subnets

The following /20 subnets within 10.10.0.0/16 are still available for future sites:
- 10.10.0.0/20 (10.10.0.0 - 10.10.15.255)
- 10.10.32.0/20 (10.10.32.0 - 10.10.47.255)
- 10.10.80.0/20 (10.10.80.0 - 10.10.95.255)
- 10.10.112.0/20 (10.10.112.0 - 10.10.127.255)
- 10.10.176.0/20 (10.10.176.0 - 10.10.191.255)
- 10.10.192.0/20 (10.10.192.0 - 10.10.207.255)
- 10.10.208.0/20 (10.10.208.0 - 10.10.223.255)
- 10.10.224.0/20 (10.10.224.0 - 10.10.239.255)
- 10.10.240.0/20 (10.10.240.0 - 10.10.255.255)