kldstat

root@router:~ # kldstat
Id Refs Address                Size Name
 1   52 0xffffffff80200000  2159ce8 kernel
 2    1 0xffffffff8235a000     4b58 if_enc.ko
 3    3 0xffffffff8235f000    73de0 pf.ko
 4    1 0xffffffff823d3000    181d0 if_lagg.ko
 5    2 0xffffffff823ec000     3538 if_infiniband.ko
 6    1 0xffffffff823f0000     3930 nmdm.ko
 8    1 0xffffffff82403000     e318 pfsync.ko
 9    1 0xffffffff82412000     3b18 pflog.ko
10    1 0xffffffff82416000     ba48 if_gre.ko
11    1 0xffffffff82422000     f460 carp.ko
12    1 0xffffffff82432000     e4f0 if_bridge.ko
13    2 0xffffffff82441000     7870 bridgestp.ko
14    1 0xffffffff8244a000   56e520 vmm.ko
15    1 0xffffffff82d20000     3250 ichsmb.ko
16    1 0xffffffff82d24000     2180 smbus.ko
17    1 0xffffffff82d27000     20f0 coretemp.ko
18    1 0xffffffff82d2a000     39c0 ng_socket.ko
19    4 0xffffffff82d2e000     aac8 netgraph.ko
20    1 0xffffffff82d39000     31c8 ng_ether.ko
21    1 0xffffffff82d3d000     53f8 ng_netflow.ko
22    1 0xffffffff82d43000     31e8 ng_ksocket.ko
23    1 0xffffffff82d47000     7324 if_umb.ko