netbox/netbox/ipam/models/__init__.py

from .ip import *
from .services import *
from .vlans import *
from .vrfs import *

__all__ = (
    'Aggregate',
    'IPAddress',
    'Prefix',
    'RIR',
    'Role',
    'RouteTarget',
    'Service',
    'VLAN',
    'VLANGroup',
    'VRF',
)